{"title":"Newtonian Focusers","description":"\u003c!--FPSEO|v1|20260619|1111111000110010NN--\u003e\n\u003cdiv class=\"fp-coll-header\"\u003e\n\u003cstyle\u003e\n  .fp-coll-header * { box-sizing: border-box; }\n  .fp-coll-header { font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif; color: #222; line-height: 1.7; margin-bottom: 2em; }\n  .fp-coll-header img { max-width: 100%; height: auto; }\n  .fp-coll-header .hero { background: linear-gradient(135deg, rgba(13,19,51,0.95) 0%, rgba(26,31,61,0.9) 50%, rgba(13,19,51,0.95) 100%); color: #fff; padding: 52px 28px; border-radius: 10px; }\n  .fp-coll-header .hero .inner { max-width: 1000px; margin: 0 auto; }\n  .fp-coll-header .badge { display: inline-block; background: rgba(201,168,76,0.15); border: 1px solid #c9a84c; color: #c9a84c; padding: 5px 18px; border-radius: 30px; font-size: 0.8em; font-weight: 600; letter-spacing: 1px; text-transform: uppercase; margin-bottom: 18px; }\n  .fp-coll-header h2.fp-h1 { font-size: 2.2em; font-weight: 700; line-height: 1.2; margin: 0 0 10px; color: #fff; }\n  .fp-coll-header .subtitle { font-size: 1.15em; opacity: 0.88; margin-bottom: 18px; }\n  .fp-coll-header .hero p { font-size: 1.02em; opacity: 0.9; max-width: 820px; margin-bottom: 0; }\n  .fp-coll-header .highlight { color: #c9a84c; }\n  .fp-coll-header .stats { display: flex; gap: 28px; margin-top: 26px; flex-wrap: wrap; }\n  .fp-coll-header .stat .num { font-size: 1.5em; font-weight: 700; color: #c9a84c; display: block; }\n  .fp-coll-header .stat .label { font-size: 0.72em; opacity: 0.7; text-transform: uppercase; letter-spacing: 1px; }\n  .fp-coll-header .valueprops { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; margin: 28px 0 8px; }\n  .fp-coll-header .vp { background: #f5f5f0; border-left: 4px solid #c9a84c; border-radius: 6px; padding: 18px 20px; }\n  .fp-coll-header .vp h3 { margin: 0 0 6px; font-size: 1.05em; color: #1a1f3d; }\n  .fp-coll-header .vp p { margin: 0; font-size: 0.93em; color: #555; }\n  .fp-coll-header .crosslinks { margin: 24px 0 6px; padding: 16px 20px; background: #f0f4f8; border-radius: 8px; font-size: 1em; }\n  .fp-coll-header .crosslinks a { color: #1a1f3d; font-weight: 600; }\n  @media (max-width: 768px) {\n    .fp-coll-header h2.fp-h1 { font-size: 1.6em; }\n    .fp-coll-header .valueprops { grid-template-columns: 1fr; }\n    .fp-coll-header .hero { padding: 40px 22px; }\n  }\n\u003c\/style\u003e\n\u003cdiv class=\"hero\"\u003e\n  \u003cdiv class=\"inner\"\u003e\n    \u003cdiv class=\"badge\"\u003eCNC-Machined in the USA\u003c\/div\u003e\n    \u003ch2 class=\"fp-h1\"\u003eNewtonian Crayford Focusers\u003c\/h2\u003e\n    \u003cp class=\"subtitle\"\u003eReplace your stock focuser with a true zero-backlash Crayford.\u003c\/p\u003e\n    \u003cp\u003eA precision \u003cstrong\u003eEvent Horizon Crayford focuser\u003c\/strong\u003e replaces the stock focuser on your Newtonian or Dobsonian entirely — eliminating the \u003cstrong\u003ebacklash and image shift\u003c\/strong\u003e that make fine focus a fight. The friction-drive Crayford mechanism moves the drawtube the instant you turn the knob, so you can nail critical focus for high-power visual observing and long-exposure astrophotography. Drawtube length is \u003cstrong\u003econfigurable at the time of order\u003c\/strong\u003e to suit your tube.\u003c\/p\u003e\n    \u003cdiv class=\"stats\"\u003e\n      \u003cdiv class=\"stat\"\u003e\n\u003cspan class=\"num\"\u003e0\u003c\/span\u003e\u003cspan class=\"label\"\u003eImage Shift\u003c\/span\u003e\n\u003c\/div\u003e\n      \u003cdiv class=\"stat\"\u003e\n\u003cspan class=\"num\"\u003e0\u003c\/span\u003e\u003cspan class=\"label\"\u003eBacklash\u003c\/span\u003e\n\u003c\/div\u003e\n      \u003cdiv class=\"stat\"\u003e\n\u003cspan class=\"num\"\u003e8 lb\u003c\/span\u003e\u003cspan class=\"label\"\u003eLoad Capacity\u003c\/span\u003e\n\u003c\/div\u003e\n      \u003cdiv class=\"stat\"\u003e\n\u003cspan class=\"num\"\u003eUSA\u003c\/span\u003e\u003cspan class=\"label\"\u003eMade \u0026amp; Tested\u003c\/span\u003e\n\u003c\/div\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"valueprops\"\u003e\n  \u003cdiv class=\"vp\"\u003e\n\u003ch3\u003eConfigurable Drawtube\u003c\/h3\u003e\n\u003cp\u003eChoose your drawtube length at order time to match your optical tube and reach focus cleanly.\u003c\/p\u003e\n\u003c\/div\u003e\n  \u003cdiv class=\"vp\"\u003e\n\u003ch3\u003eManual or Motor-Ready\u003c\/h3\u003e\n\u003cp\u003eDual-speed EV1, single-speed EV2\/EV3, or EVRZ\/EVRP built to accept your own ZWO EAF or Pegasus motor.\u003c\/p\u003e\n\u003c\/div\u003e\n  \u003cdiv class=\"vp\"\u003e\n\u003ch3\u003eBuilt One at a Time\u003c\/h3\u003e\n\u003cp\u003eEach focuser is CNC-machined, individually assembled and tested in our USA facility before it ships.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"crosslinks\"\u003eHave a Schmidt-Cassegrain instead? See our \u003ca href=\"\/collections\/sct-focusers\"\u003eSCT Focusers\u003c\/a\u003e. New to Crayford focusers? Read the full \u003ca href=\"\/pages\/event-horizon-focusers\"\u003eEvent Horizon Focusers guide\u003c\/a\u003e.\u003c\/div\u003e\n\u003c\/div\u003e","products":[{"product_id":"event-horizon-zwo-eaf-robotic-telescope-focuser-evr-ascom-newtonian-adaption","title":"Event Horizon ZWO EAF Robotic Telescope Focuser - EVRZ - ASCOM- Newtonian Adaption","description":"\u003c!--FPSEO|v1|20260619|1111111000110010NN--\u003e\n\u003cdiv class=\"fp-prod\"\u003e\n\u003cstyle\u003e\n  .fp-prod * { box-sizing: border-box; }\n  .fp-prod { font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif; color: #222; line-height: 1.7; }\n  .fp-prod .hero { background: linear-gradient(135deg, rgba(13,19,51,0.95) 0%, rgba(26,31,61,0.9) 50%, rgba(13,19,51,0.95) 100%); color: #fff; padding: 34px 28px; border-radius: 10px; margin-bottom: 26px; }\n  .fp-prod .badge { display: inline-block; background: rgba(201,168,76,0.15); border: 1px solid #c9a84c; color: #c9a84c; padding: 5px 16px; border-radius: 30px; font-size: 0.78em; font-weight: 600; letter-spacing: 1px; text-transform: uppercase; margin-bottom: 14px; }\n  .fp-prod .hero h2 { font-size: 1.6em; font-weight: 700; margin: 0 0 8px; color: #fff; line-height: 1.25; }\n  .fp-prod .hero p { margin: 0; font-size: 1.02em; opacity: 0.92; }\n  .fp-prod .hero .highlight { color: #c9a84c; font-weight: 700; }\n  .fp-prod h3 { color: #1a1f3d; font-size: 1.25em; margin: 26px 0 12px; }\n  .fp-prod .video-wrap { margin: 0 0 26px; }\n  .fp-prod .video-wrap .vid { position: relative; width: 100%; padding-bottom: 56.25%; height: 0; border-radius: 10px; overflow: hidden; box-shadow: 0 4px 18px rgba(0,0,0,0.12); }\n  .fp-prod .video-wrap .vid iframe { position: absolute; top: 0; left: 0; width: 100%; height: 100%; border: 0; }\n  .fp-prod .video-wrap .vcap { font-size: 0.9em; color: #555; margin: 10px 2px 0; }\n  .fp-prod .specs { list-style: none; padding: 0; margin: 0; border: 1px solid #e6e6e6; border-radius: 8px; overflow: hidden; }\n  .fp-prod .specs li { padding: 11px 18px; font-size: 0.97em; border-bottom: 1px solid #eee; display: flex; gap: 10px; }\n  .fp-prod .specs li:last-child { border-bottom: none; }\n  .fp-prod .specs li:nth-child(even) { background: #faf9f6; }\n  .fp-prod .specs .chk { color: #c9a84c; font-weight: 700; flex-shrink: 0; }\n  .fp-prod .youprovide { margin: 22px 0; padding: 16px 20px; background: rgba(201,168,76,0.12); border: 1px solid #c9a84c; border-radius: 8px; font-size: 1em; }\n  .fp-prod .adapters { background: #f5f5f0; border-radius: 8px; padding: 20px 24px; margin-top: 24px; }\n  .fp-prod .adapters h3 { margin-top: 0; }\n  .fp-prod .adapters ul { margin: 0; padding-left: 20px; }\n  .fp-prod .adapters li { margin-bottom: 12px; font-size: 0.93em; color: #444; }\n  .fp-prod .xlink { margin-top: 24px; padding: 15px 20px; background: #f0f4f8; border-radius: 8px; font-size: 0.98em; }\n  .fp-prod .xlink a { color: #1a1f3d; font-weight: 600; }\n\u003c\/style\u003e\n\u003cdiv class=\"hero\"\u003e\n  \u003cdiv class=\"badge\"\u003eCNC-Machined in the USA\u003c\/div\u003e\n  \u003ch2\u003eEvent Horizon EVRZ — ZWO EAF Crayford Focuser, Newtonian Base\u003c\/h2\u003e\n  \u003cp\u003eA precision Crayford focuser that mounts your \u003cspan class=\"highlight\"\u003eZWO EAF\u003c\/span\u003e focus motor and replaces the stock focuser on your Newtonian. We supply the focuser mechanics — \u003cstrong\u003eyou supply your own ZWO EAF motor\u003c\/strong\u003e — for true zero-backlash, zero-image-shift autofocus.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"video-wrap\"\u003e\n  \u003cdiv class=\"vid\"\u003e\u003ciframe src=\"https:\/\/www.youtube-nocookie.com\/embed\/DO33VnGQ6NA\" title=\"Event Horizon EVRZ ZWO EAF Crayford focuser overview\" loading=\"lazy\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" allowfullscreen\u003e\u003c\/iframe\u003e\u003c\/div\u003e\n  \u003cp class=\"vcap\"\u003eWatch: a walkthrough of the Event Horizon EVRZ focuser and how the ZWO EAF mounts to it.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cp\u003eBolting a ZWO EAF onto a stock Newtonian focuser just motorizes the backlash and image shift — they’re still there. The EVRZ fixes that: it gives you a true friction-drive Crayford base, and your motor mounts to it with two screws using the couplers already included with your ZWO EAF kit. Now your autofocus routine drives a mechanism that actually holds focus.\u003c\/p\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul class=\"specs\"\u003e\n\u003cli\u003e\n\u003cspan class=\"chk\"\u003e✓\u003c\/span\u003e \u003cspan\u003eControl focus from ASIAIR and ASCOM interfaces\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan class=\"chk\"\u003e✓\u003c\/span\u003e \u003cspan\u003eAutofocus with ASIAIR, NINA, Sequence Generator Pro, and other popular software\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan class=\"chk\"\u003e✓\u003c\/span\u003e \u003cspan\u003eZero image shift, zero backlash — CNC-machined friction-drive Crayford design\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan class=\"chk\"\u003e✓\u003c\/span\u003e \u003cspan\u003eDrawtube length of travel is configurable at the time of order (see drop-down menu)\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan class=\"chk\"\u003e✓\u003c\/span\u003e \u003cspan\u003eCompatible with Newtonian telescope tubes 7.25″ in diameter or larger, as well as flat focuser boards\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan class=\"chk\"\u003e✓\u003c\/span\u003e \u003cspan\u003eLoad capacity 8 lb · focuser weight 1.4 lb\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan class=\"chk\"\u003e✓\u003c\/span\u003e \u003cspan\u003eIndividually assembled and tested in our own facility — 100% made in the USA\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv class=\"youprovide\"\u003e\n\u003cstrong\u003eYou provide the motor.\u003c\/strong\u003e The EVRZ ships as the focuser mechanics with the ZWO EAF mounting adaptation. It does not include the ZWO EAF motor itself.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eFitting note:\u003c\/strong\u003e Fitting a new focuser onto an existing Newtonian takes careful consideration and engineering — it is not a one-size-fits-all swap. Many publicly available tools and active community forums can help you plan the change.\u003c\/div\u003e\n\u003cdiv class=\"adapters\"\u003e\n\u003ch3\u003eOptional Optical Adapters\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eJMI Combination 1.25″ Eyepiece \u0026amp; T-Thread Adapter (ADPT2-1.25T)\u003c\/strong\u003e — for camera use. Mounts a CCD or other T-threaded camera into a 2″ drawtube, and doubles as a 1.25″ adapter. Uses a compression ring and includes 48 mm filter threads on the focuser end.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFarpoint 2″ Focuser to 1.25″ Eyepiece Adapter (FAV100)\u003c\/strong\u003e — a visual 2″-to-1.25″ eyepiece adapter with a non-marring compression ring. Threaded for both 2″ and 1.25″ filters, with a stop to keep long eyepieces from damaging filters.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"xlink\"\u003eNew to Crayford focusers? Read the \u003ca href=\"\/pages\/event-horizon-focusers\"\u003eEvent Horizon Focusers guide\u003c\/a\u003e. Have a Schmidt-Cassegrain instead? See our \u003ca href=\"\/collections\/sct-focusers\"\u003eSCT Focusers\u003c\/a\u003e.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"VideoObject\",\"name\":\"Event Horizon EVRZ ZWO EAF Crayford Focuser Overview\",\"description\":\"A walkthrough of the JMI Event Horizon EVRZ Crayford focuser for Newtonian telescopes and how the ZWO EAF focus motor mounts to it for zero-backlash autofocus.\",\"thumbnailUrl\":\"https:\/\/i.ytimg.com\/vi\/DO33VnGQ6NA\/hqdefault.jpg\",\"uploadDate\":\"2026-06-19\",\"contentUrl\":\"https:\/\/www.youtube.com\/watch?v=DO33VnGQ6NA\",\"embedUrl\":\"https:\/\/www.youtube-nocookie.com\/embed\/DO33VnGQ6NA\"}\u003c\/script\u003e","brand":"JMI","offers":[{"title":"Default Title","offer_id":41073803067545,"sku":"EVRZ-n","price":380.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0567\/6639\/8617\/products\/EVRZ-n-1.png?v=1778258952"},{"product_id":"copy-of-jmi-ev-1n-dual-speed-event-horizon-telescope-focuser-newtonian","title":"JMI EV1-N Dual-Speed Event Horizon Telescope Focuser - Newtonian","description":"\u003c!--FPSEO|v1|20260619|1111111000110010NN--\u003e\n\u003cdiv class=\"fp-prod\"\u003e\n\u003cstyle\u003e\n  .fp-prod * { box-sizing: border-box; }\n  .fp-prod { font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif; color: #222; line-height: 1.7; }\n  .fp-prod .hero { background: linear-gradient(135deg, rgba(13,19,51,0.95) 0%, rgba(26,31,61,0.9) 50%, rgba(13,19,51,0.95) 100%); color: #fff; padding: 34px 28px; border-radius: 10px; margin-bottom: 26px; }\n  .fp-prod .badge { display: inline-block; background: rgba(201,168,76,0.15); border: 1px solid #c9a84c; color: #c9a84c; padding: 5px 16px; border-radius: 30px; font-size: 0.78em; font-weight: 600; letter-spacing: 1px; text-transform: uppercase; margin-bottom: 14px; }\n  .fp-prod .hero h2 { font-size: 1.6em; font-weight: 700; margin: 0 0 8px; color: #fff; line-height: 1.25; }\n  .fp-prod .hero p { margin: 0; font-size: 1.02em; opacity: 0.92; }\n  .fp-prod .hero .highlight { color: #c9a84c; font-weight: 700; }\n  .fp-prod h3 { color: #1a1f3d; font-size: 1.25em; margin: 26px 0 12px; }\n  .fp-prod .specs { list-style: none; padding: 0; margin: 0; border: 1px solid #e6e6e6; border-radius: 8px; overflow: hidden; }\n  .fp-prod .specs li { padding: 11px 18px; font-size: 0.97em; border-bottom: 1px solid #eee; display: flex; gap: 10px; }\n  .fp-prod .specs li:last-child { border-bottom: none; }\n  .fp-prod .specs li:nth-child(even) { background: #faf9f6; }\n  .fp-prod .specs .chk { color: #c9a84c; font-weight: 700; flex-shrink: 0; }\n  .fp-prod .notice { margin: 22px 0; padding: 16px 20px; background: rgba(201,168,76,0.12); border: 1px solid #c9a84c; border-radius: 8px; font-size: 1em; }\n  .fp-prod .adapters { background: #f5f5f0; border-radius: 8px; padding: 20px 24px; margin-top: 24px; }\n  .fp-prod .adapters h3 { margin-top: 0; }\n  .fp-prod .adapters ul { margin: 0; padding-left: 20px; }\n  .fp-prod .adapters li { margin-bottom: 12px; font-size: 0.93em; color: #444; }\n  .fp-prod .xlink { margin-top: 24px; padding: 15px 20px; background: #f0f4f8; border-radius: 8px; font-size: 0.98em; }\n  .fp-prod .xlink a { color: #1a1f3d; font-weight: 600; }\n\u003c\/style\u003e\n\u003cdiv class=\"hero\"\u003e\n  \u003cdiv class=\"badge\"\u003eCNC-Machined in the USA\u003c\/div\u003e\n  \u003ch2\u003eEvent Horizon EV1 — Dual-Speed Crayford Focuser, Newtonian Base\u003c\/h2\u003e\n  \u003cp\u003eOur flagship manual focuser. A dual-speed Crayford drive with a \u003cspan class=\"highlight\"\u003e10:1 fine-focus knob\u003c\/span\u003e for the most precise adjustments possible by hand — replaces the stock focuser on your Newtonian for true zero-backlash, zero-image-shift focus.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cp\u003eA masterpiece of engineering and workmanship, the EV1 is a low-profile, friction-drive Crayford focuser for the discriminating astronomer. The Crayford design presses a metal drive shaft directly against a machined metal drawtube held by bearings on the opposing side — a direct surface-to-surface drive that eliminates the backlash and drawtube shift of rack-and-pinion designs and allows impossibly fine adjustments. Zero image shift and zero backlash make it superb for both visual use and imaging.\u003c\/p\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul class=\"specs\"\u003e\n\u003cli\u003e\n\u003cspan class=\"chk\"\u003e✓\u003c\/span\u003e \u003cspan\u003eDual-speed drive with 10:1 fine-focus knob\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan class=\"chk\"\u003e✓\u003c\/span\u003e \u003cspan\u003eRubber grip knobs and a compression ring for secure, mar-free holding of eyepieces and cameras\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan class=\"chk\"\u003e✓\u003c\/span\u003e \u003cspan\u003eZero image shift, zero backlash — CNC-machined friction-drive Crayford design\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan class=\"chk\"\u003e✓\u003c\/span\u003e \u003cspan\u003eDrawtube length of travel is configurable at the time of order (see drop-down menu)\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan class=\"chk\"\u003e✓\u003c\/span\u003e \u003cspan\u003eCompatible with Newtonian telescope tubes 7.25″ in diameter or larger, as well as flat focuser boards\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan class=\"chk\"\u003e✓\u003c\/span\u003e \u003cspan\u003eLoad capacity 8 lb · focuser weight 1.4 lb\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan class=\"chk\"\u003e✓\u003c\/span\u003e \u003cspan\u003eIndividually assembled and tested in our own facility — 100% made in the USA\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv class=\"notice\"\u003e\n\u003cstrong\u003eFitting note:\u003c\/strong\u003e Fitting a new focuser onto an existing Newtonian takes careful consideration and engineering — it is not a one-size-fits-all swap. Many publicly available tools and active community forums can help you plan the change.\u003c\/div\u003e\n\u003cdiv class=\"adapters\"\u003e\n\u003ch3\u003eOptional Optical Adapters\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eJMI Combination 1.25″ Eyepiece \u0026amp; T-Thread Adapter (ADPT2-1.25T)\u003c\/strong\u003e — for camera use. Mounts a CCD or other T-threaded camera into a 2″ drawtube, and doubles as a 1.25″ adapter. Uses a compression ring and includes 48 mm filter threads on the focuser end.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFarpoint 2″ Focuser to 1.25″ Eyepiece Adapter (FAV100)\u003c\/strong\u003e — a visual 2″-to-1.25″ eyepiece adapter with a non-marring compression ring. Threaded for both 2″ and 1.25″ filters, with a stop to keep long eyepieces from damaging filters.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"xlink\"\u003eNew to Crayford focusers? Read the \u003ca href=\"\/pages\/event-horizon-focusers\"\u003eEvent Horizon Focusers guide\u003c\/a\u003e. Want autofocus? See the motor-ready EVRZ and EVRP versions. Have a Schmidt-Cassegrain instead? See our \u003ca href=\"\/collections\/sct-focusers\"\u003eSCT Focusers\u003c\/a\u003e.\u003c\/div\u003e\n\u003c\/div\u003e","brand":"JMI","offers":[{"title":"Default Title","offer_id":41533010477209,"sku":"EV-1n","price":499.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0567\/6639\/8617\/products\/1N-1.jpg?v=1638217822"},{"product_id":"jmi-event-horizon-telescope-focuser-newtonian-ev-2n","title":"JMI EV2-N Event Horizon Telescope Focuser - Newtonian","description":"\u003c!--FPSEO|v1|20260619|1111111000110010NN--\u003e\n\u003cdiv class=\"fp-prod\"\u003e\n\u003cstyle\u003e\n  .fp-prod * { box-sizing: border-box; }\n  .fp-prod { font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif; color: #222; line-height: 1.7; }\n  .fp-prod .hero { background: linear-gradient(135deg, rgba(13,19,51,0.95) 0%, rgba(26,31,61,0.9) 50%, rgba(13,19,51,0.95) 100%); color: #fff; padding: 34px 28px; border-radius: 10px; margin-bottom: 26px; }\n  .fp-prod .badge { display: inline-block; background: rgba(201,168,76,0.15); border: 1px solid #c9a84c; color: #c9a84c; padding: 5px 16px; border-radius: 30px; font-size: 0.78em; font-weight: 600; letter-spacing: 1px; text-transform: uppercase; margin-bottom: 14px; }\n  .fp-prod .hero h2 { font-size: 1.6em; font-weight: 700; margin: 0 0 8px; color: #fff; line-height: 1.25; }\n  .fp-prod .hero p { margin: 0; font-size: 1.02em; opacity: 0.92; }\n  .fp-prod .hero .highlight { color: #c9a84c; font-weight: 700; }\n  .fp-prod h3 { color: #1a1f3d; font-size: 1.25em; margin: 26px 0 12px; }\n  .fp-prod .specs { list-style: none; padding: 0; margin: 0; border: 1px solid #e6e6e6; border-radius: 8px; overflow: hidden; }\n  .fp-prod .specs li { padding: 11px 18px; font-size: 0.97em; border-bottom: 1px solid #eee; display: flex; gap: 10px; }\n  .fp-prod .specs li:last-child { border-bottom: none; }\n  .fp-prod .specs li:nth-child(even) { background: #faf9f6; }\n  .fp-prod .specs .chk { color: #c9a84c; font-weight: 700; flex-shrink: 0; }\n  .fp-prod .notice { margin: 22px 0; padding: 16px 20px; background: rgba(201,168,76,0.12); border: 1px solid #c9a84c; border-radius: 8px; font-size: 1em; }\n  .fp-prod .adapters { background: #f5f5f0; border-radius: 8px; padding: 20px 24px; margin-top: 24px; }\n  .fp-prod .adapters h3 { margin-top: 0; }\n  .fp-prod .adapters ul { margin: 0; padding-left: 20px; }\n  .fp-prod .adapters li { margin-bottom: 12px; font-size: 0.93em; color: #444; }\n  .fp-prod .xlink { margin-top: 24px; padding: 15px 20px; background: #f0f4f8; border-radius: 8px; font-size: 0.98em; }\n  .fp-prod .xlink a { color: #1a1f3d; font-weight: 600; }\n\u003c\/style\u003e\n\u003cdiv class=\"hero\"\u003e\n  \u003cdiv class=\"badge\"\u003eCNC-Machined in the USA\u003c\/div\u003e\n  \u003ch2\u003eEvent Horizon EV2 — Single-Speed Crayford Focuser, Newtonian Base\u003c\/h2\u003e\n  \u003cp\u003eA single-speed Crayford focuser with \u003cspan class=\"highlight\"\u003erubber grip knobs\u003c\/span\u003e and an 8 lb load capacity — replaces the stock focuser on your Newtonian for true zero-backlash, zero-image-shift focus, built for heavier imaging trains.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cp\u003eA masterpiece of engineering and workmanship, the EV2 is a low-profile, friction-drive Crayford focuser for the discriminating astronomer. The Crayford design presses a metal drive shaft directly against a machined metal drawtube held by bearings on the opposing side — a direct surface-to-surface drive that eliminates the backlash and drawtube shift of rack-and-pinion designs and allows very fine adjustments. Zero image shift and zero backlash make it superb for both visual use and imaging.\u003c\/p\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul class=\"specs\"\u003e\n\u003cli\u003e\n\u003cspan class=\"chk\"\u003e✓\u003c\/span\u003e \u003cspan\u003eSingle-speed friction drive with rubber grip knobs\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan class=\"chk\"\u003e✓\u003c\/span\u003e \u003cspan\u003eCompression ring for secure, mar-free holding of eyepieces and cameras\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan class=\"chk\"\u003e✓\u003c\/span\u003e \u003cspan\u003eZero image shift, zero backlash — CNC-machined friction-drive Crayford design\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan class=\"chk\"\u003e✓\u003c\/span\u003e \u003cspan\u003eDrawtube length of travel is configurable at the time of order (see drop-down menu)\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan class=\"chk\"\u003e✓\u003c\/span\u003e \u003cspan\u003eCompatible with Newtonian telescope tubes 7.25″ in diameter or larger, as well as flat focuser boards\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan class=\"chk\"\u003e✓\u003c\/span\u003e \u003cspan\u003eLoad capacity 8 lb · focuser weight 1.4 lb\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan class=\"chk\"\u003e✓\u003c\/span\u003e \u003cspan\u003eIndividually assembled and tested in our own facility — 100% made in the USA\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv class=\"notice\"\u003e\n\u003cstrong\u003eFitting note:\u003c\/strong\u003e Fitting a new focuser onto an existing Newtonian takes careful consideration and engineering — it is not a one-size-fits-all swap. Many publicly available tools and active community forums can help you plan the change.\u003c\/div\u003e\n\u003cdiv class=\"adapters\"\u003e\n\u003ch3\u003eOptional Optical Adapters\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eJMI Combination 1.25″ Eyepiece \u0026amp; T-Thread Adapter (ADPT2-1.25T)\u003c\/strong\u003e — for camera use. Mounts a CCD or other T-threaded camera into a 2″ drawtube, and doubles as a 1.25″ adapter. Uses a compression ring and includes 48 mm filter threads on the focuser end.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFarpoint 2″ Focuser to 1.25″ Eyepiece Adapter (FAV100)\u003c\/strong\u003e — a visual 2″-to-1.25″ eyepiece adapter with a non-marring compression ring. Threaded for both 2″ and 1.25″ filters, with a stop to keep long eyepieces from damaging filters.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"xlink\"\u003eNew to Crayford focusers? Read the \u003ca href=\"\/pages\/event-horizon-focusers\"\u003eEvent Horizon Focusers guide\u003c\/a\u003e. Want the 10:1 dual-speed? See the EV1. Have a Schmidt-Cassegrain instead? See our \u003ca href=\"\/collections\/sct-focusers\"\u003eSCT Focusers\u003c\/a\u003e.\u003c\/div\u003e\n\u003c\/div\u003e","brand":"JMI","offers":[{"title":"Default Title","offer_id":41533013131417,"sku":"EV-2n","price":380.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0567\/6639\/8617\/products\/2N-1.jpg?v=1638218223"},{"product_id":"jmi-ev-3n-standard-event-horizon-telescope-focuser-newtonian","title":"JMI EV3-N Standard Event Horizon Telescope Focuser - Newtonian","description":"\u003c!--FPSEO|v1|20260619|1111111000110010NN--\u003e\n\u003cdiv class=\"fp-prod\"\u003e\n\u003cstyle\u003e\n  .fp-prod * { box-sizing: border-box; }\n  .fp-prod { font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif; color: #222; line-height: 1.7; }\n  .fp-prod .hero { background: linear-gradient(135deg, rgba(13,19,51,0.95) 0%, rgba(26,31,61,0.9) 50%, rgba(13,19,51,0.95) 100%); color: #fff; padding: 34px 28px; border-radius: 10px; margin-bottom: 26px; }\n  .fp-prod .badge { display: inline-block; background: rgba(201,168,76,0.15); border: 1px solid #c9a84c; color: #c9a84c; padding: 5px 16px; border-radius: 30px; font-size: 0.78em; font-weight: 600; letter-spacing: 1px; text-transform: uppercase; margin-bottom: 14px; }\n  .fp-prod .hero h2 { font-size: 1.6em; font-weight: 700; margin: 0 0 8px; color: #fff; line-height: 1.25; }\n  .fp-prod .hero p { margin: 0; font-size: 1.02em; opacity: 0.92; }\n  .fp-prod .hero .highlight { color: #c9a84c; font-weight: 700; }\n  .fp-prod h3 { color: #1a1f3d; font-size: 1.25em; margin: 26px 0 12px; }\n  .fp-prod .specs { list-style: none; padding: 0; margin: 0; border: 1px solid #e6e6e6; border-radius: 8px; overflow: hidden; }\n  .fp-prod .specs li { padding: 11px 18px; font-size: 0.97em; border-bottom: 1px solid #eee; display: flex; gap: 10px; }\n  .fp-prod .specs li:last-child { border-bottom: none; }\n  .fp-prod .specs li:nth-child(even) { background: #faf9f6; }\n  .fp-prod .specs .chk { color: #c9a84c; font-weight: 700; flex-shrink: 0; }\n  .fp-prod .notice { margin: 22px 0; padding: 16px 20px; background: rgba(201,168,76,0.12); border: 1px solid #c9a84c; border-radius: 8px; font-size: 1em; }\n  .fp-prod .adapters { background: #f5f5f0; border-radius: 8px; padding: 20px 24px; margin-top: 24px; }\n  .fp-prod .adapters h3 { margin-top: 0; }\n  .fp-prod .adapters ul { margin: 0; padding-left: 20px; }\n  .fp-prod .adapters li { margin-bottom: 12px; font-size: 0.93em; color: #444; }\n  .fp-prod .xlink { margin-top: 24px; padding: 15px 20px; background: #f0f4f8; border-radius: 8px; font-size: 0.98em; }\n  .fp-prod .xlink a { color: #1a1f3d; font-weight: 600; }\n\u003c\/style\u003e\n\u003cdiv class=\"hero\"\u003e\n  \u003cdiv class=\"badge\"\u003eCNC-Machined in the USA\u003c\/div\u003e\n  \u003ch2\u003eEvent Horizon EV3 — Standard Crayford Focuser, Newtonian Base\u003c\/h2\u003e\n  \u003cp\u003eThe straightforward, no-frills way into true zero-backlash focusing. A single-speed friction-drive Crayford with a \u003cspan class=\"highlight\"\u003ecompression ring\u003c\/span\u003e — replaces the stock focuser on your Newtonian for smooth, shift-free fine focus.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cp\u003eA masterpiece of engineering and workmanship, the EV3 is a low-profile, friction-drive Crayford focuser for the discriminating astronomer. The Crayford design presses a metal drive shaft directly against a machined metal drawtube held by bearings on the opposing side — a direct surface-to-surface drive that eliminates the backlash and drawtube shift of rack-and-pinion designs and allows very fine adjustments. Zero image shift and zero backlash make it superb for both visual use and imaging.\u003c\/p\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul class=\"specs\"\u003e\n\u003cli\u003e\n\u003cspan class=\"chk\"\u003e✓\u003c\/span\u003e \u003cspan\u003eSingle-speed friction drive\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan class=\"chk\"\u003e✓\u003c\/span\u003e \u003cspan\u003eCompression ring for secure, mar-free holding of eyepieces and cameras\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan class=\"chk\"\u003e✓\u003c\/span\u003e \u003cspan\u003eZero image shift, zero backlash — CNC-machined friction-drive Crayford design\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan class=\"chk\"\u003e✓\u003c\/span\u003e \u003cspan\u003eDrawtube length of travel is configurable at the time of order (see drop-down menu)\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan class=\"chk\"\u003e✓\u003c\/span\u003e \u003cspan\u003eCompatible with Newtonian telescope tubes 7.25″ in diameter or larger, as well as flat focuser boards\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan class=\"chk\"\u003e✓\u003c\/span\u003e \u003cspan\u003eLoad capacity 4 lb · focuser weight 1.4 lb\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan class=\"chk\"\u003e✓\u003c\/span\u003e \u003cspan\u003eIndividually assembled and tested in our own facility — 100% made in the USA\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv class=\"notice\"\u003e\n\u003cstrong\u003eFitting note:\u003c\/strong\u003e Fitting a new focuser onto an existing Newtonian takes careful consideration and engineering — it is not a one-size-fits-all swap. Many publicly available tools and active community forums can help you plan the change.\u003c\/div\u003e\n\u003cdiv class=\"adapters\"\u003e\n\u003ch3\u003eOptional Optical Adapters\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eJMI Combination 1.25″ Eyepiece \u0026amp; T-Thread Adapter (ADPT2-1.25T)\u003c\/strong\u003e — for camera use. Mounts a CCD or other T-threaded camera into a 2″ drawtube, and doubles as a 1.25″ adapter. Uses a compression ring and includes 48 mm filter threads on the focuser end.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFarpoint 2″ Focuser to 1.25″ Eyepiece Adapter (FAV100)\u003c\/strong\u003e — a visual 2″-to-1.25″ eyepiece adapter with a non-marring compression ring. Threaded for both 2″ and 1.25″ filters, with a stop to keep long eyepieces from damaging filters.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"xlink\"\u003eNew to Crayford focusers? Read the \u003ca href=\"\/pages\/event-horizon-focusers\"\u003eEvent Horizon Focusers guide\u003c\/a\u003e. Want grip knobs and 8 lb capacity? See the EV2. Have a Schmidt-Cassegrain instead? See our \u003ca href=\"\/collections\/sct-focusers\"\u003eSCT Focusers\u003c\/a\u003e.\u003c\/div\u003e\n\u003c\/div\u003e","brand":"JMI","offers":[{"title":"Default Title","offer_id":41533014704281,"sku":"EV-3n","price":315.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0567\/6639\/8617\/products\/3N-1.jpg?v=1638218406"},{"product_id":"event-horizon-pegasus-focuscube3-robotic-telescope-focuser-evrp-ascom-newtonian-adaption","title":"Event Horizon Pegasus FocusCube3 Robotic Telescope Focuser - EVRP - ASCOM- Newtonian Adaption","description":"\u003c!--FPSEO|v1|20260619|1111111000110010NN--\u003e\n\u003cdiv class=\"fp-prod\"\u003e\n\u003cstyle\u003e\n  .fp-prod * { box-sizing: border-box; }\n  .fp-prod { font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif; color: #222; line-height: 1.7; }\n  .fp-prod .hero { background: linear-gradient(135deg, rgba(13,19,51,0.95) 0%, rgba(26,31,61,0.9) 50%, rgba(13,19,51,0.95) 100%); color: #fff; padding: 34px 28px; border-radius: 10px; margin-bottom: 26px; }\n  .fp-prod .badge { display: inline-block; background: rgba(201,168,76,0.15); border: 1px solid #c9a84c; color: #c9a84c; padding: 5px 16px; border-radius: 30px; font-size: 0.78em; font-weight: 600; letter-spacing: 1px; text-transform: uppercase; margin-bottom: 14px; }\n  .fp-prod .hero h2 { font-size: 1.6em; font-weight: 700; margin: 0 0 8px; color: #fff; line-height: 1.25; }\n  .fp-prod .hero p { margin: 0; font-size: 1.02em; opacity: 0.92; }\n  .fp-prod .hero .highlight { color: #c9a84c; font-weight: 700; }\n  .fp-prod h3 { color: #1a1f3d; font-size: 1.25em; margin: 26px 0 12px; }\n  .fp-prod .specs { list-style: none; padding: 0; margin: 0; border: 1px solid #e6e6e6; border-radius: 8px; overflow: hidden; }\n  .fp-prod .specs li { padding: 11px 18px; font-size: 0.97em; border-bottom: 1px solid #eee; display: flex; gap: 10px; }\n  .fp-prod .specs li:last-child { border-bottom: none; }\n  .fp-prod .specs li:nth-child(even) { background: #faf9f6; }\n  .fp-prod .specs .chk { color: #c9a84c; font-weight: 700; flex-shrink: 0; }\n  .fp-prod .youprovide { margin: 22px 0; padding: 16px 20px; background: rgba(201,168,76,0.12); border: 1px solid #c9a84c; border-radius: 8px; font-size: 1em; }\n  .fp-prod .adapters { background: #f5f5f0; border-radius: 8px; padding: 20px 24px; margin-top: 24px; }\n  .fp-prod .adapters h3 { margin-top: 0; }\n  .fp-prod .adapters ul { margin: 0; padding-left: 20px; }\n  .fp-prod .adapters li { margin-bottom: 12px; font-size: 0.93em; color: #444; }\n  .fp-prod .xlink { margin-top: 24px; padding: 15px 20px; background: #f0f4f8; border-radius: 8px; font-size: 0.98em; }\n  .fp-prod .xlink a { color: #1a1f3d; font-weight: 600; }\n\u003c\/style\u003e\n\u003cdiv class=\"hero\"\u003e\n  \u003cdiv class=\"badge\"\u003eCNC-Machined in the USA\u003c\/div\u003e\n  \u003ch2\u003eEvent Horizon EVRP — Pegasus FocusCube 3 Crayford Focuser, Newtonian Base\u003c\/h2\u003e\n  \u003cp\u003eA precision Crayford focuser that mounts your \u003cspan class=\"highlight\"\u003ePegasus FocusCube 3\u003c\/span\u003e focus motor and replaces the stock focuser on your Newtonian. We supply the focuser mechanics — \u003cstrong\u003eyou supply your own Pegasus motor\u003c\/strong\u003e — for true zero-backlash, zero-image-shift autofocus.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cp\u003eBolting a Pegasus FocusCube onto a stock Newtonian focuser just motorizes the backlash and image shift — they’re still there. The EVRP fixes that: it gives you a true friction-drive Crayford base, and your motor mounts to it with screws using the couplers already included with your Pegasus kit. Now your autofocus routine drives a mechanism that actually holds focus.\u003c\/p\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul class=\"specs\"\u003e\n\u003cli\u003e\n\u003cspan class=\"chk\"\u003e✓\u003c\/span\u003e \u003cspan\u003eControl focus from Pegasus software and ASCOM interfaces\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan class=\"chk\"\u003e✓\u003c\/span\u003e \u003cspan\u003eAutofocus with NINA, Sequence Generator Pro, and other popular software\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan class=\"chk\"\u003e✓\u003c\/span\u003e \u003cspan\u003eZero image shift, zero backlash — CNC-machined friction-drive Crayford design\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan class=\"chk\"\u003e✓\u003c\/span\u003e \u003cspan\u003eDrawtube length of travel is configurable at the time of order (see drop-down menu)\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan class=\"chk\"\u003e✓\u003c\/span\u003e \u003cspan\u003eCompatible with Newtonian telescope tubes 7.25″ in diameter or larger, as well as flat focuser boards\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan class=\"chk\"\u003e✓\u003c\/span\u003e \u003cspan\u003eLoad capacity 8 lb · focuser weight 1.4 lb\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan class=\"chk\"\u003e✓\u003c\/span\u003e \u003cspan\u003eIndividually assembled and tested in our own facility — 100% made in the USA\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv class=\"youprovide\"\u003e\n\u003cstrong\u003eYou provide the motor.\u003c\/strong\u003e The EVRP ships as the focuser mechanics with the Pegasus FocusCube 3 mounting adaptation. It does not include the Pegasus FocusCube 3 motor itself.\u003cbr\u003e\u003cbr\u003e\u003cstrong\u003eFitting note:\u003c\/strong\u003e Fitting a new focuser onto an existing Newtonian takes careful consideration and engineering — it is not a one-size-fits-all swap. Many publicly available tools and active community forums can help you plan the change.\u003c\/div\u003e\n\u003cdiv class=\"adapters\"\u003e\n\u003ch3\u003eOptional Optical Adapters\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eJMI Combination 1.25″ Eyepiece \u0026amp; T-Thread Adapter (ADPT2-1.25T)\u003c\/strong\u003e — for camera use. Mounts a CCD or other T-threaded camera into a 2″ drawtube, and doubles as a 1.25″ adapter. Uses a compression ring and includes 48 mm filter threads on the focuser end.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFarpoint 2″ Focuser to 1.25″ Eyepiece Adapter (FAV100)\u003c\/strong\u003e — a visual 2″-to-1.25″ eyepiece adapter with a non-marring compression ring. Threaded for both 2″ and 1.25″ filters, with a stop to keep long eyepieces from damaging filters.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"xlink\"\u003eNew to Crayford focusers? Read the \u003ca href=\"\/pages\/event-horizon-focusers\"\u003eEvent Horizon Focusers guide\u003c\/a\u003e. Have a Schmidt-Cassegrain instead? See our \u003ca href=\"\/collections\/sct-focusers\"\u003eSCT Focusers\u003c\/a\u003e.\u003c\/div\u003e\n\u003c\/div\u003e","brand":"JMI","offers":[{"title":"Default Title","offer_id":45739492606105,"sku":"EVRP-n","price":380.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0567\/6639\/8617\/files\/EVRPN.jpg?v=1775145642"}],"url":"https:\/\/farpointastro.com\/collections\/newtonian-focusers.oembed","provider":"FarpointAstro","version":"1.0","type":"link"}