Products

Using advanced computer design, combinations of low dispersion and high refractive index optical glasses, and durable multilayer deposition coating...

 Using advanced computer design, combinations of low dispersion and high refractive index optical glasses, and durable multilayer deposition coatin...

 Using advanced computer design, combinations of low dispersion and high refractive index optical glasses, and durable multilayer deposition coatin...

Using advanced computer design, combinations of low dispersion and high refractive index optical glasses, and durable multilayer deposition coating...

  Using advanced computer design, combinations of low dispersion and high refractive index optical glasses, and durable multilayer deposition coati...

The 18mm 82° Series Waterproof Argon-Purged Eyepiece is a popular focal length in the upper-medium power magnification class providing both super-w...

The 24mm 82° Series Waterproof Argon-Purged Eyepiece is a popular focal length in the upper-medium power magnification class providing both super-w...

“I just recently purchased my first E.S. telescope after owning a couple fantastic E.S. eyepieces. I have the 6.7mm & 30mm 82° eyepieces and th...

The 6.7mm 82 degree eyepiece is great for planetary detail, and does not require the perfect seeing conditions needed for higher magnifications. Wh...

The 8.8 mm focal length is perfect for observing objects that would benefit from higher magnifications, but that also require a bigger field of vie...

Explore Ultra-Wide Eyepieces - Comfort, Quality, Value. The Explore Scientific 92° Series eyepieces are hyper-wide class oculars with extraordinary...

Reveal celestial wonders like the desolate beauty of the lunar terrain, the serene structure of Saturn’s rings or the brightest deep sky treasures ...

When the designers at Explore Scientific set their sights on creating a top-quality apochromatic refractor that anyone would be proud to own, they ...

Reveal celestial wonders like the desolate beauty of the lunar terrain, the serene structure of Saturn’s rings or the brightest deep sky treasures ...

Reveal celestial wonders like the desolate beauty of the lunar terrain, the serene structure of Saturn’s rings or the brightest deep sky treasures ...

When the designers at Explore Scientific set their sights on creating a top-quality apochromatic refractor that anyone would be proud to own, they ...

When the designers at Explore Scientific set their sights on creating a top-quality apochromatic refractor that anyone would be proud to own, they ...

Reveal celestial wonders like the desolate beauty of the lunar terrain, the serene structure of Saturn’s rings or the brightest deep sky treasures ...

The Explore Scientific 80mm f/6 Air-Spaced Triplet ED APO telescope made Wired Magazine's Wish List for cool gifts and is a perfect instrument for ...

2x Explore Scientific Focal Extender, 1.25-inch Barrel, 4 Elements

2x Explore Scientific Focal Extender; 2-inch Barrel; 4 Elements

This Micro Pinion Assembly can be used on the Takahashi 102, TSA120, 128, TOA130 with 2.7" focusers. This installation improves the performance of ...

Feather Touch® 1.25″ Diameter Single Speed 1.5″ Draw Tube Travel, Brake and Compression Ring.  The draw tube is threaded with a T-thread for ease...

This Keypad should only be purchased for use with the GTOCP1, GTOCP2 and GTOCP3 control boxes. This Keypad model will be supplied with the original...

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...