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Antares Finderscope Bracket for Laser, 6-Point GLFB is a 6-point bracket that can be used for any standard green laser pointer. For use with most d...

ZWO 7nm SHO Narrowband Filters (Ha, OIII & SII) The ZWO SHO Narrowband Filter Set contains one H-alpha, one OIII and one SII filter. Use it for...

Antares 1.25" Cheshire Collimator Align your optics with a prescision Antares 1.25" Cheshire Collimator. An absolute must for Aspheric system perfo...

Antares 0.7x 2" Focal Reducer The Antares 0.7x 2" Focal Reducer is the same 4-element f/6.3 lens system used for f/10 Schmidt-Cassegrain telescopes...

Tele Vue Panoptic 27mm Housed in a 2″ barrel like the 35mm, the Tele Vue Panoptic 27mm is lighter & smaller. It’s perfect for any telescope s...

Tele Vue Nagler 13mm Type 6 The 7-element, Tele Vue Nagler Type 6 design is based on the original patented Nagler design. This new 7-element desig...

Tele Vue Ethos 13mm The Tele Vue Ethos 10mm is parfocal with the Tele Vue Ethos 13mm. Its 59mm rubber grip diameter makes this model usable in bin...

Optolong UHC Light Pollution Filter The UHC (Ultra High Contrast) broadband filter is designed to improve the visibility of various deepsky objects...

Farpoint Bahtinov Mask for Meade Farpoint Bahtinov Focus Mask is an ingenious new way to easily focus a telescope. Pavel Bahtinov, a Russian amateu...

Celestron X-CEL LX 2.3mm Eyepiece Celestron X-Cel LX series eyepieces offer a 60º apparent field of view, perfect for the Moon, the planets, and...

Celestron Universal Piggyback Mount The Celestron Universal Piggyback Mount is a simple astronomical accessory that can help you produce stunning p...

Chroma 3nm OIII Filter The Chroma 3nm OIII Filter isolates the 500.7nm primary emission line of doubly ionized oxygen. After H-alpha, this is the n...

Celestron Smart DewHeater and Power Controller 4x Work smarter, not harder, when it comes to combating dew. The Smart DewHeater and Power Controlle...

Celestron Reducer Lens .7x - EdgeHD 925 Celestron’s new EdgeHD 925 Reducer Lens .7x  feature a custom 4-element optical design engineered to mainta...

Celestron NexStar RS-232 Cable The Celestron RS-232 Cable is used to connect your PC or computer to NexStar computerized telescopes via a port in t...

Celestron Cometron 7x50 Get ready for the next awe-inspiring comet with a pair of sleek, portable Celestron Cometron 7x50 binoculars. The large 50 ...

Astronomy Plus 3/8-16 M to 1/4-20 F Adapter 1/4" to 3/8" reducer bushing screw High quality stainless steel   7mm height  Used for Monopod, Tri...

Buckeye Stargazer ZWO EAF-N and EAF-Pro Mounting Solutions This bracket allows you to mount a ZWO Electronic Automatic Focuser (EAF)  onto your tel...

Narrowband Filter 3nm H-Alpha & Oiii SV220 Ultra-narrow 3nm (H-Alpha & OIII) bandwidth, ideal for photographing emission and planetary neb...

Les Oiseaux du Québec (FR) *This guide is written in french* This revised edition of the Peterson Bird Guide contains the latest nomenclature. Ind...

Walter Polypropylene Slide Box - 50 Slides 50 slide storage box Made from high grade polypropylene Hinged lid held together securely with molded l...

Touptek Astro Automatic Focuser The astronomical electric focuser is one of the essential accessories for astrophotography and observation. It pr...

Daystar 0.33x to 0.5x Imaging Focal Reducer DayStar's Imaging Focal Reducer can give you more field of view in your images. 2" to T mount, with inc...

Astronomy Plus 1.25" Mirror Diagonal  A 1.25" 90-degree diagonal mirror is a key accessory for astronomy, designed to provide a more comfortabl...

Astronomy Plus 1.25" Erect Image Prism Diagonal  An erect image diagonal corrects the image orientation, making it appear right-side up and cor...

Astronomy Plus 8" Felt-Lined Dew Shield A dew shield is an essential accessory in astronomy and astrophotography, designed to reduce lens fogging c...

Astronomy Plus Fine M68 Adjustment Spacer Rings (0.1 to 1mm) Spacers in astrophotography are used to achieve precise backfocus, ensuring the optima...

Guide Éclair - Minéraux du Québec (FR) Dozens and dozens of species found in Quebec are illustrated and briefly explained in these small guides tha...

Astronomy Plus M42M to M48M Adapter  M42M to M48M Metallic adapter. Adds 0 mm of back Focus Technical Specifications Side A : M42 x 0.75 Male Side...

William Optics Dual side Dovetail Plate Vixen-style & Arca Swiss Type In the Box Selected length and color of Dual side Dovetail Plate Warranty...

Pegasus Astro DewMaster2 Digital Dew Heater Controller DewMaster2 is the next evolution of our popular DewMaster, offering enhanced functionality f...

Explore Scientific 82° Series 11mm Waterproof Eyepiece The 11mm 82° Series Waterproof Argon-Purged Eyepiece is a popular focal length in the upper-...

Baader Zenith Prism Diagonal T-2/90 ° with 32mm Prism Includes: T-2/32 Diagonal with focusing 1¼" eyepiece clamp (#2458125) and 1¼" nose piece (...

Baader Calcium GEN-II 1¼" with LPFC Single filter (unstacked!), shows finest solar details in calcium K (Cak) lightFor solar photography only in c...

Player One Phoenix Filter Wheel 7×2″ Hall Sensing Technology Traditional infrared sensor scanning positioning hole to locate position, this way pos...