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William Optics Slide-Base 50mm Guiding Rings Install your 50mm William Optics Guide Scope or Finder scope on your slide handle with the William Opt...

William Optics Saddle Plate for Vixen-style Dovetail Plate Weight：230g This William Optics saddle plate is designed to accept Vixen-style dovetail...

William Optics 48mm T mount for Sony E - Black In the Box William Optics 48mm T mount for Sony E - Black Warranty & Manuals William Optics ...

Tele Vue Nagler 5mm Type 6 The 7-element, Tele Vue Nagler Type 6 design is based on the original patented Nagler design. This new 7-element design...

Tele Vue Nagler 31mm Type 5 With the Tele Vue Nagler 31mm Type 5, the unique 6-element design using four exotic glasses maintains the contrast adv...

Tele Vue Delos 8mm Includes continuously adjustable height eyeguard with index marks. Parfocal with all Tele Vue 1¼” eyepieces. Background 72° Appa...

Tele Vue Delos 6mm Includes continuously adjustable height eyeguard with index marks. Parfocal with all Tele Vue 1¼” eyepieces. Background 72° Appa...

Tele Vue Delos 14mm Includes continuously adjustable height eyeguard with index marks. Parfocal with all Tele Vue 1¼” eyepieces. Background 72° App...

Starlight Instruments Feather Touch Micro Focuser for SCT Feather Touch® Micro Telescope Focuser for Celestron 6″ Evolution Schmidt-Cassegrain Tele...

Starizona HyperStar 8/6 ZWO Filter Drawer Adapter for ZWO Cooled Cameras HyperStar 8 / 6 ZWO Filter Drawer Adapter for ZWO Cooled Cameras In the Bo...

PrimaluceLab V-Series 90mm PLUS Dovetail Plate The PrimaluceLab V-Series 90mm PLUS Dovetail Plate is part of our PLUS system (Prima Luce Universal ...

PrimaluceLab V-Series 240mm PLUS Dovetail Plate The PrimaluceLab V-Series 240mm PLUS Dovetail Plate is part of our PLUS system (Prima Luce Universa...

PrimaluceLab PLUS 10mm Spacers When we install many instruments (for example telescope with guide scope in parallel) on the mount, it can happen th...

PrimaluceLab EAGLE Type Connector for power IN and 5A or 8A power OUT ports The PrimaluceLab EAGLE Type Connector for power IN and 5A or 8A power O...

Pegasus Pair of Black Aluminium Dovetail Brackets for PPBADV Pair of Mounting Brackets for Pocket Powerbox Advance     Technical Specifications Mat...

PrimaluceLab DX Finder Base The PrimaluceLab DX Finder Base can be installed on many telescopes to let you install finder supports from many brands...

IDAS NGS1 / LPS-D3 filter IDAS LPS-D3(formerly NGS1) filters enhance the contrast of astronomical emission nebulae against a sky with both man-made...

Celestron X-CEL LX 1.25" 3x Barlow Lens When inserted between the eyepiece and telescope, this premium 3x Barlow lens triples the magnification of ...

Celestron Thermistor for Smart DewHeater Controllers Take the guesswork out of using third-party heating bands or straps and increase your power ef...

Chroma 3nm SII Filter The Chroma 3nm SII Filter isolates the spectral emission of singly ionized sulfur atoms, also common in nebulae. Emission is ...

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 1100 Celestron’s EdgeHD reducers feature a custom 5 element optical design engineered to maintain the flat-fiel...

Celestron Polar finderscope - CG-4 Get some help polar aligning your Celestron Omni or CG-4 mount with the addition of the Polar Axis Finder. Insta...

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

Celestron H-alpha H-beta OIII imaging filter, RASA 8 Bring out the best in your nebulae astroimages with the H-alpha H-beta OIII (Hα-Hβ-OIII) Imagi...

Celestron FirstScope Accessory Kit If you have a Celestron FirstScope telescope and want even more versatility and portability, take a look at the ...

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...

Starizona PE200 to EQ6 Tripod Adapter  Use this adapter to attach a ZWO PE200 pier extension to a Skywatcher EQ6 tripod. It works with either a sta...

SVBONY SV205 8MP Electronic Camera IMX415 High-Resolution Imaging Equipped with a SONY IMX415 CMOS sensor, the SV205 delivers high-quality, clear...

RB Focus Gaius S2 All Gaius products that are not in stock are made to order and require a production time of approximately two weeks prior to ...

Askar 91F 0.75x Reducer The Askar 0.75x Reducer for the 91F is specially optimized to unlock greater astrophotography capabilities. The 0.75x redu...

Guide Éclair - Traces d'animaux du Québec (FR) Des dizaines et des dizaines d’espèces que l’on trouve au Québec sont illus­trées et expliquées briè...

SVBONY SV260 Multi-Bandpass Filter SV260 multi‑broadband filter is a 5‑bandpass light pollution filter for deep‑sky photography, galaxies, reflecti...

Wanderer Astro Universal Filter Wheel Adapter for Wanderer ETA Connect ETA directly to your Filter Wheel If you're not using an OAG and are instead...

Découvrir le Ciel la Nuit (FR) This book is written in French   Everything about stars, the Moon, planets, galaxies, comets, and much more! Inclu...