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SVBONY SV137 1.25" FMC Internal Brass Ring Barlow Svbony SV137 1.25 inch 2x/3x barlow lens, provide a sharp view, ideal for high power observation....

Antlia Filter Drawer and Adapters The filter drawer system is a very convenient and inexpensive alternative to the filter wheel for simple changing...

ZWO Canon EOS-T2 Lens Adapter The ZWO Canon EOS-T2 Lens Adapter has two parts (EOS-T2 adapter and 5mm length T2-extender). It’ unadjustable and su...

ZWO M42 11mm Ring The ZWO M42 11mm Ring is useful to obtain a precise spacing when using a focal reducer or corrector that needs a certain chip-red...

William Optics 48mm T mount for Nikon F This high precision T-Mount has 48mm threads with outer hard black color anodizing and its made from High q...

Starizona Modular Filter Slider * HYPERSTAR USERS: If you're ordering a Modular Filter Slider for your HyperStar you will also need to purchase a F...

Move Shoot Move NOMAD Grab & Go Star Tracker  The NOMAD Grab & Go Star Tracker is for Beginner and Experienced Photographers. Improved feat...

Celestron 9x50 Right Angle Correct Image Finderscope (RACI) The Celestron 9x50 Right Angle Correct Image Finder is a great upgrade to the stock fin...

Optolong 2" L-Synergy 7nm Dual NarrowBand Filter (SII and OIII)    Optolong L-Synergy is a dual 7nm narrowband filter compatible with DSLR cameras,...

Astronomy Plus M54M to M54M Adapter  M54M to M54M Metallic adapter. Adds 2mm of back Focus Technical Specifications Side A : M54 x 0.75 Male Side ...

Astronomy Plus M42 x 0.75 Metal Extension Tube Elevate your astronomy game with our Astronomy Plus M42*0.75 Metal Focal Length Extension Tube (TA18...

Unistellar Odyssey Smart Solar Filter Unlock the secrets of the Sun Experience the beauty of the Sun’s ever-changing activity and observe its stri...

Firefly Planisphere: Latitude 42 Degrees North The Firefly Planisphere is a valuable tool for beginner and advanced stargazers. The previous editio...

Celestron EclipSmart Solar Filter for AstroMaster 130EQ Telescopes ISO-CERTIFIED SOLAR TELESCOPE FILTER: Certified to comply with the ISO 12312-2...

Player One Sedna-M USB3.0 Mono Camera IMX178 Player One Astronomy guiding camera series, AKA Dwarf Planet Series, is design for guiding and imagi...

Celestron 48MM T-Adapter EdgeHD The 48mm T-Adapter is the accessory of choice if you’d like to attach your full frame DSLR or astronomical camera t...

Baader 2" BDS-NT Baader Diamond Steeltrack® Focuser Upgrade practically any Newtonian, small or large, with all of the smoothness, precision, and f...

Astronomik Dark Filter Astronomik's simple yet effective dark filter makes taking dark frames easier than ever! Orientation does not matter. Does n...

Askar Multi-Connection Finder Plate 90mm Specifically use for FRA400/5.6 APO, also can connect to Sharpstar handle of various types.  In the Bo...

ZWO ASI533MM Pro Mono Cooled The ASI533MM PRO adopts a Sony back illuminated IMX533 sensor, which is a 1-inch square frame sensor made suitable for...

ZWO ASI294MC Pro Color Cooled The ZWO ASI294MC Pro Color uses the Sony IMX294 sensor with a diagonal of 23.2mm. It has a 14bit ADC and low read noi...

William Optics 2" Durabright Diagonal This 90° 2"mirror-type star diagonal has a Dura-Bright 12mm thick mirror and dielectric mirror coatings for 9...

Sky-Watcher SynScan Wifi Adapter Allows any Sky-Watcher SynScan GoTo mount to be operated with the SynScan Pro Wifi app (available for iOS and And...

Starizona Filter Slider RASA 8 / ZWO Cooled The filter drawers can be pulled in and out using a small knob. This knob is required because the fi...

Pegasus USB 2.0 Type-A male > USB 2.0 Type-B male angled 1 m black This USB 2.0 cable delivers speeds up to 480 Mbit/s and is backward compatibl...

Lunt LS50C Compact Double-Stack Filter The specially-designed Lunt Solar Systems LS50C is a compact double stack filter. Notably, it was made espec...

Celestron X-CEL LX 18mm Eyepiece Celestron X-Cel LX series eyepieces offer a 60º apparent field of view, perfect for the Moon, the planets, and ...

Celestron X-CEL LX 12mm Eyepiece Celestron X-Cel LX series eyepieces offer a 60º apparent field of view, perfect for the Moon, the planets, and ...

Celestron Sony E-Mount T-Ring A T-Ring is one of the first accessories you will need to take pictures through a telescope or spotting scope. If you...

Celestron SCT to 2" Adapter This sturdy, high-quality adapter provides a solid connection between your Schmidt-Cassegrain or Maksutov-Cassegrain te...

Antares Single Eyepiece Case – 1.25" or 2" Protect your investment with the Antares Single Eyepiece Case, designed to safely store and transport yo...

Starlight Instruments 1.25″ Feather Touch Focuser Feather Touch® 1.25″ Diameter Single Speed 0.75″ Draw Tube Travel, Brake and Compression Ring.  T...

Astronomy Plus USB Dew Heater A dew heater strip is an essential accessory in astronomy and astrophotography, preventing moisture buildup on telesc...

Astronomy Plus M48M to M42F Adapter M48M to M42F metallic adapter. Adds 0 mm of back Focus Technical Specifications Connection Side A M48 x 0.75...

Broquet Star Finder Alpha 2000 Junior The Alpha 2000 star finder is a simple instrument that allows you to locate stars and constellations. For bud...

Askar Autofocusing Kit for SQA55 The SQA55 AFkit can be used with most electronic focusers, regardless of brand restrictions, for easier and faster...