OSI

580 products

580 products
JMI Ez-Glide Wheeley Kit Universal Dobsonian Telescope Mobility Upgrade parts overview
Ez-Glide Wheeley Kit - Universal Dobsonian Telescope Mobility Upgrade
Sold Out
JMI Wheeley Bars dolly set for the Meade 16 inch Lightbridge Dobsonian telescope
JMI Sky Trekker Wheeley Bar for Dobsonian telescopes — demonstration video
Sky Trekker 350 Wheeley Bar for Dobsonian telescopes
Sold Out
CASEX8-3 (6795763548313)
JMI Telescope Carrying Case with 10" Pneumatic Wheels for Celestron New NexStar Evolution 8" scopes with removable fork arm
Standard 5" Polyurethane Wheels
FP217 Collimation Kit with 2"/1.25" Laser and 2" Collimator
FP217 Collimation Kit with 2"/1.25" Laser and 2" Collimator
Sale
Optic Wave Labs 1.55 inch minor axis telescope secondary mirror for 6 inch f/6 primary
Secondary Mirror 1.55″ minor axis for 6" f/6 primary mirror
Save <span class=money>$25</span>
Sold Out
JMI ASCOM-compatible MotoFocus Deluxe for Celestron C11 and C14, motor and controller installation view (7009827127449)
JMI ASCOM-compatible MotoFocus Deluxe for Celestron C11 and C14, hand controller front view (7009827127449)
JMI ASCOM compatible MotoFocus Deluxe for C11/C14
Sold Out
Farpoint 50mm carbon fiber guide telescope, view 1 of 2 (7005249208473)
Farpoint 50mm carbon fiber guide telescope, view 2 of 2 (7005249208473)
Farpoint 50mm Carbon Fiber Guide Telescope
Lumicon 80mm Super Finder image visor accessory
Lumicon 80mm Super Finder Image Visor
Sold Out
Lumicon 2-inch SCT rear cell Hydrogen-β filter for emission nebula observing
Lumicon 2 Inch SCT Rear Cell Hydrogen-β Filter
Sold Out
Lumicon 1.25-inch #8 Light Yellow eyepiece color filter for lunar and planetary viewing
Lumicon 1.25 Inch #8 Light Yellow Color Filter
Sold Out
JMI Wheeley Bars dolly set for the Meade 16 inch Lightbridge Dobsonian telescope
JMI Sky Trekker Wheeley Bar for Dobsonian telescopes — demonstration video
Sky Trekker 400 Wheeley Bar for Dobsonian telescopes
Save <span class=money>$300</span>
Lumicon 2-inch Easy Guider Attachment Ring with SCT female threading for telescope adapter coupling
Lumicon 2 Inch Easy Guider Attachment Ring - SCT Female
Sold Out
Lumicon 1.25-inch Easy Guider for Newtonian and refractor telescopes
Lumicon 1.25 Inch Easy Guider - Newtonian/Refractor
Sold Out
JMI MotoFocus+ drive for Vixen VC200L telescope
JMI MotoFocus+ Vixen VC200L
Sold Out
JMI MotoFocus+ for GSO Crayford focusers, Config. 2
JMI MotoFocus+ for GSO Crayford focusers, Config. 2, mounted view
JMI MotoFocus+ GSO Crayford Focusers - Config. 2
Sold Out
JMI MotoFocus+ for William Optics Digital Display Gauge focusers, Config. DDG2
JMI MotoFocus+ for William Optics Digital Display Gauge focusers, Config. DDG2, mounting configuration
JMI MotoFocus+ William Optics Digital Display Gauge Focusers - Config. DDG2
Sold Out
JMI MotoFocus+ William Optics Crayford Focusers Config. 8
JMI MotoFocus+ William Optics Crayford Focusers Config. 8 setup
JMI MotoFocus+ William Optics Crayford Focusers - Config. 8
Sold Out
JMI MotoFocus+ William Optics Crayford Focusers Config. 6
JMI MotoFocus+ William Optics Crayford Focusers Config. 6 setup
JMI MotoFocus+ William Optics Crayford Focusers - Config. 6
Sold Out
JMI MotoFocus+ William Optics Crayford Focusers Config. 3
JMI MotoFocus+ William Optics Crayford Focusers Config. 3 setup
JMI MotoFocus+ William Optics Crayford Focusers - Config. 3
Sold Out
JMI MotoFocus+ William Optics Focusers Config. 1
JMI MotoFocus+ William Optics Focusers Config. 1 setup
JMI MotoFocus+ William Optics Focusers - Config. 1
Sold Out
JMI MotoFocus+ William Optics Crayford Focusers Config. 7
JMI MotoFocus+ William Optics Crayford Focusers Config. 7 setup
JMI MotoFocus+ William Optics Crayford Focusers - Config. 7
Sold Out
JMI MotoFocus+ Vixen 2.7 Inch Focuser V-Style Mounting
JMI MotoFocus+ Vixen 2.7 Inch Focuser V-Style Mounting refractor view
JMI MotoFocus+ for Vixen 2.7 Inch Focuser V-Style Mounting
Sold Out
JMI MotoFocus+ Takahashi 4 Inch Focuser with Microfocuser
JMI MotoFocus+ Takahashi 4 Inch Focuser with Microfocuser detail view
JMI MotoFocus+ Takahashi 4 Inch Focuser (With Microfocuser)
Sold Out
JMI MotoFocus+ Sky-Watcher Equinox Pro Series Refractors
JMI MotoFocus+ Sky-Watcher Equinox Pro Series Refractors
Sold Out
JMI MotoFocus+ Sky-Watcher Rack-and-Pinion Focuser
JMI MotoFocus+ Sky-Watcher Rack-and-Pinion Focuser
Sold Out
JMI MotoFocus+ Orion Rack-and-Pinion Focusers
JMI MotoFocus+ Orion Rack-and-Pinion Focusers
Sold Out
JMI MotoFocus+ motor focuser drive for Orion Crayford single-speed focuser
JMI MotoFocus+ Orion Crayford Single-Speed Focuser
Sold Out
JMI MotoFocus+ motor focuser drive for Meade Starfinder
JMI MotoFocus+ Meade Starfinder
Sold Out
JMI MotoFocus+ motor focuser drive for Meade Series 5000 ED APO refractors — view 1 of 2
JMI MotoFocus+ motor focuser drive for Meade Series 5000 ED APO refractors — view 2 of 2
JMI MotoFocus+ Meade Series 5000 ED APO Refractors
Sold Out
JMI MotoFocus+ motor focuser drive for Meade ETX-LS 6 — view 1 of 2
JMI MotoFocus+ motor focuser drive for Meade ETX-LS 6 — view 2 of 2
JMI MotoFocus+ Meade ETX-LS 6
Sold Out
JMI MotoFocus+ motor focuser drive for Meade LightBridge single-speed focuser — view 1 of 2
JMI MotoFocus+ motor focuser drive for Meade LightBridge single-speed focuser — view 2 of 2
JMI MotoFocus+ Meade LightBridge Single-Speed Focuser
Sold Out
JMI MotoFocus+ motor focuser drive for Meade LightBridge dual-speed focuser — view 1 of 2
JMI MotoFocus+ motor focuser drive for Meade LightBridge dual-speed focuser — view 2 of 2
JMI MotoFocus+ Meade LightBridge Dual-Speed Focuser
Sold Out
JMI MotoFocus+ motor focuser drive for GSO Crayford focusers, configuration 1 — view 1 of 2
JMI MotoFocus+ motor focuser drive for GSO Crayford focusers, configuration 1 — view 2 of 2
JMI MotoFocus+ GSO Crayford Focusers - Config. 1
Sold Out
JMI MotoFocus+ Astro-Tech AT66ED Crayford Focuser view 1 of 3
JMI MotoFocus+ Astro-Tech AT66ED Crayford Focuser view 2 of 3
JMI MotoFocus+ Astro-Tech AT66ED Crayford Focuser
Sold Out
JMI MotoFocus+ Astro-Tech AT65EDQ Rack-and-Pinion Focuser view 1 of 2
JMI MotoFocus+ Astro-Tech AT65EDQ Rack-and-Pinion Focuser view 2 of 2
JMI MotoFocus+ Astro-Tech AT65EDQ Rack-and-Pinion Focuser
Sold Out
JMI MotoFocus+ Astro-Tech AT65ED Rack-and-Pinion Focuser view 1 of 2
JMI MotoFocus+ Astro-Tech AT65ED Rack-and-Pinion Focuser view 2 of 2
JMI MotoFocus+ Astro-Tech AT65ED Rack-and-Pinion Focuser
Sold Out
JMI MotoFocus+ Sky Instruments Antares 120
JMI MotoFocus+ Sky Instruments Antares 120
Sold Out
JMI MotoFocus+ Astro-Physics 2.7 Inch/4 Inch Focusers
JMI MotoFocus+ Astro-Physics 2.7 Inch/4 Inch Focusers