Products

20mm adapter that connects Starizona's Filter Slider to an M42 thread. The adapter has female M42 threads on the telescope side and male Filter Sli...

This adapter will step M42 threads up to M48.  It has M42 female on the inside and M48 male on the outside.  It does not add any length to the opti...

This M42-to-M48 Step Ring features a built-in lip that acts as a mechanical backstop, preventing over-threading into larger M48 connections. Perfec...

Our M42-to-M54 Step Ring with Lip adds a stop to keep the ring from threading too far in.  Ideal for using a ZWO CAA with an SCT T-adapter, for exa...

Made of anodized aluminum.

20mm long adapter from female M48x0.75 to male M48x0.75 threads.  This can be useful to get 55mm backfocus with a ZWO cooled camera (17.5mm) and St...

Product Description This precision-machined 15 mm M48 Extension Tube is designed to provide an exact increase in optical path length for fine-tunin...

20mm adapter that connects Starizona's Original Filter Slider to an M48 thread. The adapter has female M48x0.75 threads on the telescope side and m...

Common T-rings use M42 threads and are not compatible with equipment that uses larger M48 threads.  Use this anodized aluminum T-ring to connect a ...

Made from anodized aluminum.

This adapter will step M48 threads up to M54.  It has M48 female on the inside and M54 male on the outside.  It does not add any length to the opti...

Use this adapter to attach accessories with standard M48 filter threads to a 2" focuser. The adapter has male M48 threads on one side, and a male 2...

This adapter is similar to the M54 to M48 step ring that comes with the ZWO 2" filter wheel, but it adds a thin lip to allow the ring to stop again...

M54 male to M54 male adapter.  Adds 1mm to backfocus.  Useful for attaching a ZWO 6200 camera to the ZWO 2" filter wheel without bolting the wheel ...

Ideal for using a 68mm OAG, our M68 T-adapter fits any Celestron telescope with the larger 3.29" rear cell threads.  It is compatible with all C11 ...

We are thrilled to offer our Mach2GTO Universal Robotic mount that sets a new standard for portable telescope mounts. It is so easy to use that you...

The wild mammals of Arizona are often elusive and difficult to locate. They range from deserts to mountain tops. Their tracks, scats, and signs may...

High-performance photo/video kit in an ultracompact size Sturdy fully foldable 3-Way Fluid Head with 6kg payload Fluid Drag System both on panoram...

When closed, the Bullet Space Pen is the perfect size to carry in your wallet, pocket, purse, car glove box, organizer, or toolbox. When opened it'...

The Astro-Physics 2" MaxBright Diagonal was designed with several unique features to provide optimum performance and years of use.Dielectric Coati...

Flexi-Heat® dew heater specs: 25.8 Watts @ 12 Volts, 2.15 Amps. The Astrozap Flexible Heated Dew Shield uniquely combines both active and passive ...

"A well-illustrated overview of the science and (literal) impact of these space rocks."-- Science News, on the first editionLeading experts in the ...

This 3D printed case will hold our Origin filter drawer and a mounted filter, keeping the filter clean and safe and ready to go between sessions.  ...

Have a Modular Filter Slider but need to change the attachment threads?  We got you covered.  These plates can be used on both the top and bottom o...

Four great Moon filters in one kit—everything you’ll ever need for optimal views of the lunar surface Three neutral density (ND) filters with dif...

Blast off and explore the universe with this captivating Moon mission-themed telescope! 100mm reflector with high-quality parabolic mirror offers ...

Motor Board replacement for NexStar 6/8 SE Telescopes

This double ring set offers improved stability over single camera body mounting rings for using a ZWO camera with a DSLR camera lens.  The ring set...

This double ring set offers improved stability over single camera body mounting rings for using a ZWO camera with a DSLR camera lens.  The ring set...

For over 50 years, Fisher Space Pen has been proud to have our technology approved and used on every crewed flight into space since 1967 with NASA....

Revel in the skies above with this handy stargazing guide, complete with constellation charts and expert tips for observing—and understanding—the w...

Be prepared for wherever adventure leads with the National Geographic LED Rechargeable Trek-Light that can illuminate your path at distances up to ...

• Waterproof • Tear-Resistant • Stargazer Map and Guide Every culture has drawn pictures in the stars, creating constellations that represent anima...

• Waterproof • Tear-Resistant • Stargazer Map and Guide Every culture has drawn pictures in the stars, creating constellations that represent anima...