Products

Use this female T-thread to male T-thread spacer to extend standard T-thread adapters by 16.5mm.

16mm Focal Length 68° Apparent Field Argon-purged Waterproof EMD Coatings 1.25" Barrel

Explore Ultra-Wide Eyepieces - Comfort, Quality, Value. The Explore Scientific 92° Series™ eyepieces are hyper-wide class oculars that can transfor...

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

Introducing Celestron's new 2" XLT Diagonal. This high quality multi-coated mirror diagonal allows you to take advantage of the wider field of view...

Nitrogen-Purged and Waterproof: Internally sealed and purged with inert, dry nitrogen gas to prevent internal fogging, to halt the intrusion of fin...

20mm Focal Length 68° Apparent Field Argon-purged Waterproof EMD Coatings 1.25" Barrel

The Nagler eyepiece represents the ultimate in the visual stargazing experience. With an 82-degree field of view, and tack-sharp, high-contrast opt...

24mm Focal Length 68° Apparent Field Argon-purged Waterproof EMD Coatings 1.25" Barrel

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

Explore Ultra-Wide Eyepieces - Comfort, Quality, Value. The Explore Scientific 100° Series™ eyepieces are hyper-wide class oculars that can transfo...

28mm Focal Length 68° Apparent Field Argon-purged Waterproof EMD Coatings 2" Barrel

Powermate Concept: While Barlows are powerful tools, the negative element defining them also limits their ability. The simple negative element Barl...

Argon-Purged and Waterproof: Internally sealed and purged with inert, dry nitrogen gas to prevent internal fogging, to halt the intrusion of fine p...

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

34mm Focal Length 68° Apparent Field Argon-purged Waterproof EMD Coatings 2" Barrel

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

40mm Focal Length 68° Apparent Field Argon-purged Waterproof EMD Coatings 2" Barrel

Explore Ultra-Wide Eyepieces - Comfort, Quality, Value. The Explore Scientific 100° Series™ eyepieces are hyper-wide class oculars that can transfo...

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

Dovetail for mounting a Celestron 8" SCT to a Celestron CGE-style or Losmandy D-style saddle plate or for piggybacking a guidescope or camera. Plea...

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

The 8” RASA is an imaging telescope that delivers a flat field without optical aberrations for razor sharp stars across a wide field of view. It ca...

Dovetail for mounting a Celestron 9.25" SCT to a Celestron CGE-style or Losmandy D-style saddle plate or for piggybacking a guidescope or camera.

Explore Ultra-Wide Eyepieces - Comfort, Quality, Value. The Explore Scientific 100° Series™ eyepieces are hyper-wide class oculars that can transfo...

9mm Focal Length 120° Apparent Field 13mm Eye Relief Argon-Purged Waterproof EMD Coatings 2" Barrel

This 2.5-amp AC adapter works with any Celestron CPC, NexStar GPS, NexStar SE, NexStar GT, NexStar SLT or CGE series telescope, as well as some old...

For those looking to step up to an 11-inch optical tube, Advanced VX is a great option. Not only is it one of Celestron’s most affordable 11-inch t...

For those new to astronomy and astroimaging, the Advanced VX 6” Newtonian is an excellent entry-level setup that can grow with you. The Newtonian o...

For planetary imaging and brighter deep-sky objects, many astroimagers say there’s no better choice than a refractor. Unlike Schmidt-Cassegrain or ...

For the intermediate visual observer and beginning astroimager, the Advanced VX 6” SCT is the most affordable Schmidt-Cassegrain telescope on a sol...

This setup offers the astroimager maximum versatility – allowing up to 3 different f-stop configurations. Users can attach a camera to the rear of ...

Large aperture at an affordable price, Celestron's Advanced VX 8” Newtonian provides 78% more light-gathering abilities compared to the 6” model. T...

Advanced VX 9.25” SCT is an excellent choice for intermediate level astroimagers looking to gather 33% more light than our 8” telescope, but withou...

With the Apex ED reducer, an f/5.5 apo refractor becomes an incredibly fast f/3.6 astrograph. A slower f/9 telescope like an RC becomes a speedy f/...

APM Riccardi Universal APO Flattener 1.0x- Model 2 for APO Telescopes Our new, universal flattener for APO’s was calculated with the famous optical...

The FMA230 has a compound lens system. The front objective lens comprises three lenses and the posterior reducer is composed of four lenses and thu...

Aluminum dew shield for Celestron 14"  with top, bottom and side notches. Celestron 14 Sct/CPC, CGE & HD Hyperstar Dew Shield 15" in total len...

Aluminum dew shield fits Celestron 6" SCTs with HyperStar Celestron 6 SCT & Hyperstar Dew Shield 12" in total length Top, bottom and side notc...

Aluminum dew shield for Celestron 8"  with top, bottom and side notches. Celestron 8 Sct/CPC, CGE & HD Hyperstar Dew Shield 12" in total lengt...

Aluminum dew shield for Celestron 9.25"  with top, bottom and side notches. Celestron 9.25 Sct/CPC, CGE & HD Hyperstar Dew Shield 12" in total...

Fits 288mm-298mmAstroZap solar filters are made using the world famous Baader AstroSolar™ Material. Filter cell constructed from lightweight 18Ga. ...

Fits 306mm-316mmAstroZap solar filters are made using the world famous Baader AstroSolar™ Material. Filter cell constructed from lightweight 18Ga. ...

Fits 338mm-348mmAstroZap solar filters are made using the world famous Baader AstroSolar™ Material. Filter cell constructed from lightweight 18Ga. ...

Fits 395mm-405mmAstroZap solar filters are made using the world famous Baader AstroSolar™ Material. Filter cell constructed from lightweight 18Ga. ...

Fits 174mm-184mmAstroZap solar filters are made using the world famous Baader AstroSolar™ Material. Filter cell constructed from lightweight 18Ga. ...

Fits 259mm-269mmAstroZap solar filters are made using the world famous Baader AstroSolar™ Material. Filter cell constructed from lightweight 18Ga. ...