Products

This Keypad should only be purchased for use with the GTOCP4 and GTOCP5 control boxes with version P02-09 firmware or later. If you own a GTOCP1, ...

All GTO mounts(except the Mach2GTO) produced since 1998 can be easily upgraded!!! The GTOCP4 Upgrade and Installation Guide (PDF document) provide...

Self-Centering Adapter (SCA) Provides Repeatable InstallationThe HoTech laser collimator separates itself from all other laser collimators with its...

Self-Centering Adapter (SCA) Provides Repeatable InstallationThe HoTech laser collimator separates itself from all other laser collimators with its...

Self-Centering Adapter (SCA) Provides Repeatable InstallationThe HoTech laser collimator separates itself from all other laser collimators with its...

Self-Centering Adapter (SCA) Provides Repeatable InstallationThe HoTech laser collimator separates itself from all other laser collimators with its...

Innovation brings Affortable and Portable Collimation into RealitySince the invention of the Cassegrain Telescope in 1672 by the French sculptor Si...

Innovation brings Affortable and Portable Collimation into RealitySince the invention of the Cassegrain Telescope in 1672 by the French sculptor Si...

Collimates 8" Schmidt-Cassegrain Telescopes with HyperStar Lens installed. Package Includes: Advanced CT Laser Collimator 8" HyperStar Reflector M...

Announcing the Self-Centering Camera T-Adapter for Astrophotographers.The Self-Centering Adapter (SCA) mechanism provides repeatable and reliable c...

2" SCA T-Adapter center and square loads perfectly in your visual back and provides a secure adaption for the best imaging result Announcing the S...

DC14 Celestron dovetail plate for 14", bolts to existing holes. Wt. 3.75 lbs. Length 24" HS 23.00, Ht. top of tube to top of dovetail plate 1.20" T...

DM10 Meade dovetail plate for 10", bolts to existing holes. Wt. 2.5 lbs. Length 19" HS 16.0/16.50, Ht. top of tube to top of Meade dovetail bar 1.0...

DM12 Meade dovetail plate for 12", bolts to existing holes. Wt. 4.5 lbs. Length 19" HS 18.175, Ht. top of tube to top of Meade dovetail bar 1.20" T...

Meade dovetail plate for 14", bolts to existing holes. Wt. 5.5 lbs. Length 24" HS 22.00, Ht. top of tube to top of Meade dovetail bar 1.20" Thickne...

Meade dovetail plate for 16", bolts to existing holes. Wt. 5.5 lbs. Length 24" HS 23.00, Ht. top of tube to top of dovetail plate 1.45" Thickness ....

Meade dovetail plate for 16" F8, bolts to existing holes. Wt. 5.5 lbs. Length 24" HS 23.00, Ht. top of tube to top of dovetail plate 1.45" Thicknes...

DM8 Meade dovetail plate for 8", bolts to existing holes. Wt. 3 lbs. Length 14" HS 12.325/12.70, Ht. top of tube to top of dovetail plate 1.20" Thi...

Male to male dovetail plate - short. For use of secondary equipment on equatorial mount and DSBS. Wt. 13 oz., Length 7", Thickness 0.8"

Meade dovetail plate for 7" Mac., bolts to existing holes.Wt. 4 lbs. Length 19" HS 16.0/16.50, Ht. top of tube to top of dovetail plate 1.00" Thick...

  150mm aperture, 600mm focal length  Fast f/4 focal ratio  Parabolic borosilicate mirrors utilizing Sky-Watcher’s proprietary Radiant ™ Aluminu...

Stainless steel 3kg/6.6lbs for RST-135 mounts

Specs: Designed for use with your RST-135 Mount Stainless Steel 200mm Length 18mm Diameter

Rainbow Astro RST-135 Vixen Saddle

The EdgeHD .7x Focal Reducer Lens makes your EdgeHD 1400 one full F-Stop faster than f/11, reducing your exposure time by half to capture the same...

  Affordable, large 200mm aperture delivers stunning viewing experience 78% brighter than 150mm model Patented tension control handle allows for p...

  Affordable, large 250mm aperture delivers stunning viewing experience 56% brighter than the Classic 200P Dobsonian Patented tension control hand...

Doublet apochromatic optical design Two-element, air-spaced optical assembly minimizes false color 100mm aperture, 900mm focal length, f/9 focal r...

Doublet apochromatic optical design Two-element, air-spaced optical assembly minimizes false color 120mm aperture, 900mm focal length, f/7.5 focal...

Doublet apochromatic optical design Two-element, air-spaced optical assembly minimizes false color 80mm aperture, 600mm focal length, f/7.5 focal ...

0.85x Focal Reducer/Corrector for Sky-Watcher Evostar 120 ED APO is designed for serious Astro-Imagers. Optimized for the Sky-Watcher Evostar 120 E...

0.85x Focal Reducer/Corrector for Sky-Watcher Evostar 100 ED APO is designed for serious Astro-Imagers. Optimized for the Sky-Watcher Evostar 100 E...

0.85x Focal Reducer/Corrector for Sky-Watcher Evostar 80 ED APO is designed for serious Astro-Imagers. Optimized for the Sky-Watcher Evostar 80 ED ...

This is an entirely new angle for TeleVue! It's a real breakthrough for birding and terrestrial viewing; the perfect combination of comfort and per...

Tele Vue is pleased to introduce the Delos, mid-to-short focal length line of 20mm eye-relief, 72° apparent field of view eyepieces. Every optical,...

The 10mm Ethos delivers: 100° apparent field (50% larger in area than 82° Naglers), comfortable eye-relief, (accepts DIOPTRX eyesight astigmatism c...

Concept: Just as Delos eyepieces were developed based on Tele Vue's Ethos eyepiece design advancements, DeLite is the logical step toward a smaller...

Tele Vue is pleased to introduce the Delos, mid-to-short focal length line of 20mm eye-relief, 72° apparent field of view eyepieces. Every optical,...

At the 2007 Northeast Astronomy Forum, Tele Vue once again broadened the amateur astronomer's perspective on the universe and introduced a new obse...

Tele Vue is pleased to introduce the Delos, mid-to-short focal length line of 20mm eye-relief, 72° apparent field of view eyepieces. Every optical,...

The Televue 17mm Ethos Eyepiece provides a 100° apparent field for a true "spacewalk" view of the night sky. Distortion correction, high contrast a...

Tele Vue is pleased to introduce the Delos, mid-to-short focal length line of 20mm eye-relief, 72° apparent field of view eyepieces. Every optical,...

Modifying Al Nagler's patented Wide-Field eyepiece and adding high index glasses to the 6-element system, the Panoptic design approaches "Nagler" p...

A heavy solid bronze version called the "Equalizer" adds 12-ounces to help equalize the weight when switching from heavy 2" eyepieces to light 1¼" ...