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Celestron TrailSeeker ED 8x42 The TrailSeeker ED 8x42mm binocular provides high-level outdoor performance—a perfect choice for avid birders, hunte...

Celestron Stereo Binocular Viewer Add the Celestron Stereo Binocular Viewer to your repertoire and enjoy celestial views with more contrast and imp...

Chroma 5nm H-alpha Filter H-alpha filters are essential for imaging nebulae and other objects which are rich in ionized hydrogen. At 656.3nm, a na...

Celestron Regal ED 8x42 Regal ED Flat Field Binoculars build on the success of Celestron’s customer-favorite Regal ED spotting scope line. With bot...

Celestron Reducer Lens .7x - EdgeHD 1400 Celestron’s new EdgeHD 1400 Reducer Lens .7x  feature a custom 5 element optical design engineered to main...

Celestron Omni 9mm Eyepiece Celestron Omni series eyepieces offer a 50º apparent field of view, perfect for the Moon, planets, and a plethora of...

Celestron Omni 56mm Eyepiece - 2" Enjoy the view with Celestron’s Omni 56mm eyepiece – a low power wide-field 2” eyepiece with superior light trans...

Celestron Omni 15mm Eyepiece Celestron Omni series eyepieces offer a 50º apparent field of view, perfect for the Moon, planets, and a plethora o...

Celestron Omni 12mm Eyepiece Celestron Omni series eyepieces offer a 50º apparent field of view, perfect for the Moon, planets, and a plethora o...

Celestron Nature DX ED 10x50 Celestron’s award-winning Nature DX binocular gets a major upgrade with the addition of ED objective lenses. Nature DX...

Celestron Nature DX 10x42 Celestron’s Nature DX 10x42 binoculars are the perfect companion for your next outdoor adventure. A great first step into...

Celestron Luminos 15mm Eyepiece The Luminos series eyepieces offer a wide 82º field of view in both high power and low power models, allowing yo...

Celestron Elements Thermotorch 3 Astro Red Celestron Elements ThermoTorch 3 Astro Red is your must-have outdoor tool. This 3-in-1 device features a...

Antares Flashlight Dual Beam A handy dual beam Red-White LED flashlight. Red light won't impair your night vision.   In the Box Antares Flashlight ...

Starfield Dew Heater Strip Dew Heaters for Telescopes & Astrophotography  Dew can end an imaging session fast—especially as temperatures drop t...

Baader 2"a / M41,5 Zero-length reducing piece (zero optical length) Converts any 2" (SC) female thread into a M41.5 x 1 female thread- without ext...

Baader Hyperion Mark IV Zoom to M54 Kowa TSN 770 / 880 Adapter Connection ring M54/M53 for Kowa TSN 770/880 Spotting Scopes and 1.6X Extender enab...

Baader Harpia Bayonet 1.25" Ocular Adapter Designed for seamless integration with Zeiss Harpia spotting scopes Enables the use of 1.25" astronomic...

Baader Eyepiece 1.25"/36.4mm (T-2 part #11) 1.25" "/ T-2 eyepiece with fine focus (5mm focus travel) With three eyepiece clamping screws for fine ...

Baader Ultrashort 1.25" / T-2 Clamp Ultra short 1.25" eyepiece-clamp (w. brass locking ring) Optical length: 20mm Optimized for guiding camera, w....

Baader 2" Deluxe Clicklock Extension The wait is over. Baader Planetarium has developed the big brother to their acclaimed 1.25” Clicklock clamp. T...

Baader Zeiss-Diascope/Mark IV Zoom Adapter M45 x 0.5 threaded adapter ring for shortest possible adaptation of Hyperion Universal Zoom Mark IV to ...

Baader Diascope Okularbajonett 2" Technical Specifications MANUFACTURER Baader Planetarium SKU (#) 2454502 EAN CODE 4047825011534 WEIGHT (...

Baader 2" Clicklock Clamp for Zeiss (external M68 thread)  The wait is over. Baader Planetarium has developed the big brother to their acclaimed 1....

Baader 2" ClickLock Clamp S57 / Newton Ring-Dovetail (Celestron / SkyWatcher) The wait is over. Baader Planetarium has developed the big brother to...

The wait is over. Baader Planetarium has developed the big brother to their acclaimed 1.25” Clicklock clamp. The new 2" Clicklock Eyepiece Clamp br...

Baader 2" ClickLock M54e x 0.75 clamp (TS-Optics / SkyWatcher) Baader 2" ClickLock M54 x 0,75 external threaded clamp- for all focusers from TS-Op...

Player One M42F-M48M 0mm Adapter The Player One M42F-M48M 0mm Adapter is a low-profile threaded adapter designed to connect M42-threaded accessorie...

Player One M48F-M42M 17.5mm Extender The Player One M48F-M42M 17.5mm Extender is a precision-machined adapter designed to connect M48-threaded acce...

Player One M42F-M42M 20mm Extender The Player One M42F-M42M 20mm Extender is a precision-machined spacer designed to add 20mm of optical backfocus ...

Player One M48F-M48M 20mm Extender The Player One M48F-M48M 20mm Extender is a precision-machined spacer designed to add 20mm of optical backfocus ...

Player One M48F-M48M 17.5mm Extender The Player One M48F-M48M 17.5mm Extender is a precision-machined spacer designed to extend astrophotography im...

Player One M48F-M54M 17.5mm Adapter The Player One M48F-M54M 17.5mm Adapter is a precision-machined threaded adapter designed to connect M48-thread...

Player One M54M-M68F 17.5mm Extender The Player One M54M-M68F 17.5mm Extender is a precision-machined adapter designed to connect M54-threaded acce...

Player One M54M-M54F 20mm Extender The Player One M54M-M54F 20mm Extender is a precision-machined spacer designed to add 20mm of optical backfocus ...

Player One M54M-M54F 17.5mm Extender The Player One M54M-M54F 17.5mm Extender is a precision-machined spacer designed to add 17.5mm of optical back...