OSI

581 products

581 products
Farpoint Bahtinov focus mask for Meade 12-inch SCT telescope
Farpoint Bahtinov focus mask product line image
Farpoint Bahtinov Focus Mask — Meade 12" SCT
Farpoint Vixen dovetail plate for Meade 10-inch SCT, product view
Farpoint Vixen dovetail plate for Meade 10-inch SCT, alternate view
Farpoint Vixen Dovetail Plate - Meade 10 Inch SCT
Farpoint dew shield for Celestron 9.25-inch SCT, product overview
Farpoint dew shield interior surface showing flocked light-absorbing lining
Farpoint Dew Shield - Celestron 9.25 Inch SCT
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JMI carrying case for Celestron CPC 1100, view 1 of 7
JMI carrying case for Celestron CPC 1100, view 2 of 7
JMI Telescope Carrying Case - Celestron CPC 1100
Lumicon 2 inch prime focus camera adapter
Lumicon 2" diameter → T-Thread (T2 / M42×0.75) — Prime Focus Camera Adapter
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Farpoint knob and spring kit components for Zhumell Z12 and Apertura 12 Dobsonians
Annotated Zhumell Z12 Dobsonian showing where Farpoint knob and spring kit replacements install
Farpoint Knob/Spring Kit - Zhumell Z12, Aptura 12", and most other 12" and 10" GSO Dobsonians
Farpoint light shield for Zhumell Z12, Apertura 12-inch, GSO Dobsonians, full product view
Farpoint light shield for Zhumell Z12, flat layout showing reflective material
Farpoint Light Shield for 12" Dobsonian Telescopes – Zhumell Z12, Apertura AD12, Orion SkyLine 12
Universal D Size, 57.3 Series Dovetail Plate-14inch (6795841831065)
Farpoint 14 Inch 57.3 Series Universal Dovetail Plate (Original Radian Bar)
Farpoint 7-inch universal dovetail plate, product view
Farpoint 7-inch universal dovetail plate, head-on view
Farpoint 7 Inch Universal Dovetail Plate
Farpoint Adjustable Tri-Bahtinov Mask for 5.5 to 8.5 inch OTAs, view 1 of 3
Grommet-Screw.jpg (6795775410329)
Farpoint Adjustable Tri-Bahtinov Mask — 5.5" to 8.5" OTAs
Farpoint OTA lift and carry strap fitted on a Celestron 8-inch SCT
Farpoint OTA lift and carry strap on a Celestron 8-inch SCT, alternate angle
Farpoint OTA Lift and Carry Strap for 8" Meade and Celestron SCTs and Celestron RASA 8"
JMI 10-inch pneumatic large wheel upgrade for Universal Wheeley Bars
JMI 10-inch pneumatic wheel detail view
JMI 10 Inch Pneumatic Large Wheel Upgrade - Universal Style Wheeley Bars with 1/2" Leveling Screws
Farpoint dew shield sized for the Celestron NexStar SLT 127, product view
Inside view of a Farpoint dew shield showing the flocked anti-reflection lining
Farpoint Dew Shield - Celestron NexStar SLT 127
Standard 2 3/8" Wheels
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JMI MotoFocus+ motor focuser drive for Meade Cassegrain with round knob — view 1 of 3
JMI MotoFocus+ motor focuser drive for Meade Cassegrain with round knob — view 2 of 3
JMI MotoFocus+ Meade Cassegrain - Round Knob
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Farpoint 1.25 inch eyepiece extension tube, 3 inch length
Farpoint 1.25 inch eyepiece extension tube product line, sizes shown together
Farpoint 1.25" diameter × 3" length — Drop-In Eyepiece Extension Tube
Farpoint adjustable Bahtinov focus mask for 6.5-inch to 9.5-inch OTAs
Farpoint Bahtinov focus mask product line image
Farpoint Adjustable Bahtinov Focus Mask — 6.5" to 9.5" OTAs
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Farpoint 14-inch dovetail saddle, primary product view
Farpoint 14-inch dovetail saddle, alternate view
Farpoint 14 Inch Dovetail Saddle
Farpoint collimation spring kit for Zhumell Z12, Apertura 12-inch, GSO Dobsonians
Farpoint collimation springs for Zhumell Z12 mirror cell, close-up with captions
Farpoint Collimation Spring Kit - Zhumell Z12, Aptura 12", and most other 12" and 10" GSO Dobsonians
Farpoint 1.25 inch eyepiece extension tube, 1.5 inch length
Farpoint 1.25 inch eyepiece extension tube product line, sizes shown together
Farpoint 1.25" diameter × 1.5" length — Drop-In Eyepiece Extension Tube
Farpoint dovetail plate for Tele Vue clamshell, top-down view
Farpoint dovetail plate for Tele Vue clamshell, view 2 of 5
Farpoint Dovetail Plate - Tele Vue Clamshell
Farpoint Takahashi finder bracket quick release view 1 of 3
Farpoint Takahashi finder bracket quick release view 2 of 3
Farpoint Takahashi Finder Bracket — Quick Release
Lumicon 1.25 inch drop-in telescope eyepiece extension tube, 1 inch push-back
Lumicon 1.25" diameter × 1" length — Drop-In Eyepiece Extension Tube
Farpoint adjustable Bahtinov focus mask for 7.5-inch to 10.5-inch OTAs
Farpoint Bahtinov focus mask product line image
Farpoint Adjustable Bahtinov Focus Mask — 7.5" to 10.5" OTAs
Farpoint dovetail radius blocks for Celestron 8-inch SCT, product view 1
Farpoint dovetail radius blocks for Celestron 8-inch SCT, product view 2
Farpoint Dovetail Radius Blocks - Celestron 8 Inch SCT
Farpoint dew shield for Celestron 14-inch SCT, product overview
Farpoint dew shield interior surface showing flocked light-absorbing lining
Farpoint Dew Shield - Celestron 14 Inch SCT
Farpoint dew shield for Celestron 4 and 4SE SCT, product overview
Farpoint dew shield interior surface showing flocked light-absorbing lining
Farpoint Dew Shield - Celestron 4/4SE SCT
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Lumicon Advanced Lens Cleaning Kit rocket-style air blower side view
Lumicon Advanced Lens Cleaning Kit rocket-style air blower alternate view
Lumicon Advanced Lens Cleaning Kit
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Farpoint 7-inch dovetail saddle, primary product view
Farpoint 7-inch dovetail saddle, alternate product view
Farpoint 7 Inch Dovetail Saddle
Farpoint Tri-Bahtinov focus mask for Meade 12" SCT telescope
Farpoint Tri-Bahtinov focus mask diffraction pattern illustrating telescope collimation analysis
Farpoint Tri-Bahtinov Mask — Meade 12" SCT
Lumicon microfiber lens cleaning cloth for telescope optics
Lumicon Microfiber Lens Cleaning Cloth
JMI 5/8 inch replacement standard leveling screws for Universal-style Wheeley Bars, front view
JMI 5/8 inch replacement leveling screws, additional view
JMI 5/8" Replacement Standard Leveling Screws - Universal Style Wheeley Bars
JMI 1/2-inch replacement standard leveling screws for Universal Style Wheeley Bars
JMI 1/2-inch leveling screw, view 3
JMI 1/2" Replacement Standard Leveling Screws - Universal Style Wheeley Bars
JMI Sky Trekker 200 Wheeley Bar for 8-inch Lightbridge Dobsonian, product photo
JMI Wheeley Bar with Dobsonian telescope, customer photo
Sky Trekker 200 Wheeley Bar for Dobsonian telescopes
Farpoint dovetail plate for Celestron 11-inch SCT, primary product view
Farpoint dovetail plate for Celestron 11-inch SCT, alternate view
Farpoint Dovetail Plate - Celestron 11 Inch SCT
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Farpoint dovetail plate for Meade LX200 f/10 12-inch SCT, primary product view
Farpoint dovetail plate for Meade LX200 f/10 12-inch SCT, alternate view
Farpoint Dovetail Plate - Meade LX200 f/10 12 Inch SCT
Farpoint light shield for Zhumell Z10 Dobsonian, full product view
Farpoint light shield for Zhumell Z10, flat layout showing reflective material
Farpoint Light Shield for 10" Dobsonian Telescopes – Zhumell Z10, Apertura AD10, Orion SkyLine 10
JMI Standard 2 3/8 inch Wheels (6860526092441)
Standard 2 3/8" Wheels
Farpoint D-handle, product shot (handle only, adapter sold separately)
Farpoint D-handle held in hand for scale (handle only)
D-Handle (only) for Farpoint Dovetail Adapter
Hard plastic filter case for 2" or 1.25" filters, set of 5
Hard plastic filter case, set of 5, view 2 of 2
Hard Plastic Filter Case for 2" or 1.25" filters, Set of 5