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Pegasus USB 3.1 Gen 2 (10 Gbps) cable Type-A to Type-C 0.5 m This high-speed, premium-grade cable offers reliable data transfer speeds of up to 10 ...

Celestron 1.25" Moon Filter The Moon has the distinction of being the most often viewed celestial object through backyard telescopes. It is undoubt...

Astrozap Meade LightBridge Light Shroud The Astrozap Light Bridge Shroud is made from light weight breathable black fabric. Two ABS bands prevent s...

Baader Morpheus 17.5mm 76° Even if a certain movie-classic hints otherwise – the Morpheus® are absolutely real. Featuring a true 76° field of view,...

Baader IR-Pass Filter (685 nm) Baader IR-Pass Filter HWB 685nm Reduces the effect of seeing resulting in a much sharper image. Ideal for imaging a...

Baader Fringe Killer Filter Achromat owners rejoice! Baader Planetarium has taken minus violet filtration to a new level. The Fringe Killer brings ...

Antlia OAG and Filter Drawer Assembly OAG means Off-Axis Guider. Antlia OAG and filter drawer assembly is an innovative accessory that integrates...

Antares SCT Camera Adapter M42 30mm TAS threads directly onto the back of your Schmidt-Cassegrain and outputs M42 T-thread with a 30mm extension.  ...

Antares SCT Adapter 2" Tired of threading your Schmidt-Cassegrain accessories on and off? Switch to a smooth 2" barrel with a T2; it's quicker and ...

ZWO M54M-M48F-2mm adapter M54-M48-2 adapter is independently developed by ZWO and mainly used for connecting to 2” EFW and M54 filter drawer. The t...

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 9mm 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 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 3.0x 1.25" Barlow The Tele Vue 3.0x 1.25″ Barlow features include parfocalization, 1¼” filter threads, captive lock screws that won’t fall...

Tele Vue 2.0x 2" PowerMate T-Ring Adapter The Tele Vue 2.0x 2″ PowerMate T-Ring Adapter allows imaging through 2.0x 2″ PowerMate lens assemblies. T...

Tele Vue 2" Extension Tube The Tele Vue 2″ Extension Tube helps your telescope reach focus when not using a diagonal — as is the case in many imagi...

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

Howie Glatter TuBlug 2" Newtonian Collimator Use the Howie Glatter TuBlug 2" with a regular laser collimator in single beam mode to perform barlowe...

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 SkySync GPS Accessory Add GPS to your Celestron computerized telescope and get time, date, and location downloads from orbiting Global Po...

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 Omni 32mm Eyepiece The 32 mm low power Omni eyepiece is a 4 -element premium symmetrical Plössl optical design. Features include black...

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 ...

Player One Desiccant Tube for Cooled Cameras This product is designed for Player One cooled cameras, it is used to redry camera chambers. Usage: A...

Astronomy Plus Chesire Telescope Collimation Eyepiece (long style)   This long-style collimator is a precision alignment tool designed for Newtonia...

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