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

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

WandererAstro Electronic Tilt Adjuster ETA M54 The Wanderer ETA M54 is an innovative electronic tilt and back focus regulator with an ultra-thin th...

Astronomy Plus SCT Female to M48 Male Adapter SCT Female to M48M metallic adapter. Adds 8mm of back Focus Technical Specifications Connection Si...

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...

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...

Explore Scientific 82° Series 30mm Waterproof Eyepiece The 30mm 82° Series Waterproof Argon-Purged Eyepiece is a popular focal length in the upper-...

SVBONY SV226 Telescope Filter Drawer Holder 2" The advanced processing can assure the quality; provide more accurate; consistent results; you can ...

SVBONY SV195 T-ring Adapter for Canon Canon camera adapters with M42 or wide M48 female thread, using these Canon EF-mount Adapters, you can conne...

Daystar Flat Cap Imaging Diffuser The DayStar FlatCap is a Gaussian diffuser that is temporarily installed over the front of your telescope when t...

SVBONY SV47 8x42 HD Binoculars 1. Center Focus Knob : The focusing wheel, which is both non-slip and solid, is the ultimate in user-friendliness. I...

Baader M48 Fine-Adjustment rings (0,3 / 0,5 / 1 mm) - Aluminium System M48 – spacer (Fine-Adjustment) rings, available in thickness 0,3mm (black),...

Astronomik OIII Visual Filter From the start, the Astronomik OIII Visual Filter has been very specifically designed for the visual observation of g...

Pegasus Astro Single 2.1mm to 2.5mm Cable for Intel NUC 0.5m This Pegasus Astro power connector cord is designed for use with Intel NUC units in si...

SVBONY SV139 1.25'' ND Filter For Moon Viewing  Help you watch the moon comfortably; The 1.25" Neutral Density Moon filter can reduce the amount o...

Askar 2" Diagonal The high-quality CNC machined diagonal, with its matte interior coating and gloss oxidized surface, brings a more premium texture...

Synta Finderscope Dual and Triple Mounting Brackets Expand your telescope accessory mounting capabilities with this Synta/Vixen finderscope dovetai...

Buckeye Bahtinov Masks A Bahtinov mask is used to find critical focus for just about any telescope.  I will custom design a mask to fit your needs ...

Baader Hyperion 17mm 68° Baader Hyperion Eyepiece 17mm Huge 68 degree wide angle field, tailored to the maximum Visual angle of the human eye Phan...

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...

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...

Tele Vue Bandmate Nebustar Type II Filter The Tele Vue Bandmate Nebustar Type II Filter is a unique narrowband design specifically for Tele Vue. It...

Sky-Watcher Star Adventurer Latitude EQ Base The Sky-Watcher Star Adventurer Latitude (EQ) Base allows you to adjust the latitude of the Star Adven...

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 M54 Male to M48 Male Adapter Thickness: 2.0mm Thread: Pitch 0.75mm / 6 mm length M54 side has a M48 internal thread

Pegasus Astro UPB & PPB Power Cable for Sky-Watcher EQ6-R & AZ-EQ6 The Pegasus Astro UPB & PPB Power cable for Sky-Watcher EQ6-R & ...

The Backyard Astronomer's Guide (Terence Dickinson & Alan Dyer) The touchstone for contemporary stargazers. This classic, groundbreaking guide ...