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Astronomy Plus Energy Rejection Filters Suitable for Quark with refracting and reflecting telescope to observe and photograph the solar prominence ...

ZWO M54M - M54F 10mm Adapter This adapter allows conversion from male M54 to female M54 with 10mm spacing. Technical Specifications M54 Male Threa...

Explore Scientific Illuminated Polar Finder   The EXOS2 Polar Finder Scope has Polar Assist markings to help you efficiently accomplish a proper po...

Explore Scientific Neutral Density Filter 2" ND 0.9   The neutral density filter transmits light uniformly across the entire visual spectrum. It se...

Walter Polypropylene Slide Box - 100 Slides 100 slide storage box Made from high grade polypropylene Hinged lid and molded latch lock Du...

Walter Polypropylene Slide Box - 25 Slides 25 slide storage box Made from high grade polypropylene Will not warp and unaffected by humidity Stacka...

Baader winged rubber-eyecup 43/44 Winged straylight-shield/ eyeglassprotector: Excellent stray light shield against side illumination, fast fold...

Antlia ALP-T Dual Band Ha & OIII + SII & OIII 3nm 2" Filter Set Ha&OIII 3nm The Antlia ALP-T Dualband 3nm Ha&OIII Filter is a dual ...

Askar 1x Flattener for 80ED The Askar 80ED is designed with three imaging accessories: a 0.7x reducer, a 0.85x reducer, and a 1.0x flattener. Users...

Askar 0.85x Reducer for 80ED The Askar 80ED is designed with three imaging accessories: a 0.7x reducer, a 0.85x reducer, and a 1.0x flattener. User...

Askar 0.7x Reducer for 80ED The Askar 80ED is designed with three imaging accessories: a 0.7x reducer, a 0.85x reducer, and a 1.0x flattener. Users...

Daystar 0.33X Reducer and Tilter for Combo Quark This accessory is designed for use with our Daystar Combo Quark Hydrogen Alpha Filter, either the ...

Daystar 0.6X Reducer and Tilter for Combo Quark This accessory is designed for use with our Daystar Combo Quark Hydrogen Alpha Filter, either the P...

Baader Carl Zeiss 1.25¨ Eyepiece Barlow Lens 2X Available again for a limited time: Carl Zeiss 1¼" Abbe Barlow lens with T-2 thread made in German...

Polaris I Measuring and Guiding 25mm Illuminated Eyepiece Polaris I, 25mm measuring & guiding illuminated eyepiece, batteries included With ...

Baader Foldable Morpheus® Eyecup (M43-threaded) Rubber eyecup with M43 metal thread Holds absolutely tight on our Morpheus eyepieces due to the sc...

Baader Log-Pot Illuminator for Microguide Eyepiece and Illuminated Finders Black version incl. 2pc batteries SR41W/1.55V For Micro Guide eyepiec...

Astronomik Filter Holder This empty Astronomik filter holder with a knurled edge allows you to mount your own filter glass or replace damaged holde...

iOptron Adjustable AZ/EQ Base Adjustable alt-azimuth base for SkyTrackerTM Pro and SkyGyiderTM Pro mounts. Allows for repositioning during polar al...

iOptron Precision Adjustable AZ/EQ Base Precision adjustable equatorial base for SkyHunterTM, GOTO mount, SkyGuider Pro and SkyTracker Pro mounts. ...

William Optics 1.25" 90° Erect Prism for Cat 61 WIFD Transform your observing experience with this 90° erect-image prism diagonal, ideal for both t...

Pegasus Astro 2.1 to 2.5 Silicon Cables 0.5m –for Cold Environments Male 2.1mm x 5.5mm to Male 2.1mm x 5.5mm Max current: 5A Silicon (Resistant to...

Baader Hyperion 2" Finetuning Stopring With the stop collar bottoming of 1¼ "barrel with applications of fine tuning rings on the diagonal, or a p...

Baader UFC S70/40 Extension 40mm Baader UFC S70/40 Extension 40mm Telescope-side: with S70 dovetail clamp (screws included) Camera-side: with S70 ...

Baader UFC T-2 (w) Camera-Adapter for ASI Cameras with T-2 (m) Thread Baader UFC Fitting / T-2 (f) Thread Adapter telescope-side: mounting plate f...

Baader UFC S70 / SP54 (ext) Telescope-Adapter Baader UFC S70 / SP54 (ext) Adapter Camera Lens side: SP54 external thread Sky-side: with S70 doveta...

Baader UFC S70 Base Connector Baader UFC S70 Dovetail-Adapter Telescope-sided with mounting plate for UFC-Base (screws included) Camera-sided with...

Baader UFC S58 dovetail Camera-Adapter Baader UFC D58 Dovetail-Receptor Adapter Telescope-sided with mounting plate for UFC-Base (screws included)...

Baader S52 dovetail Camera-Adapter for Wide-T-rings Baader UFC S52 (m) Adapter telescope-side: with mounting plate for UFC-Base (screws included) ...

Baader UFC Straylight-Flange Baader UFC Straylight-Flange telescope-sided with mounting plate for UFC-Base (screws included) camera-sided with str...

Baader UFC S70 RASA 36cm Telescope-Adapter Baader UFC S70 / RASA 36cm (14") Adapter telescope-side: RASA 36cm-plate camera-side: S70 dovetail can ...