Products

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 ...

The Feathertouch 3.5" focuser is the industry standard for a high-quality, large focuser and is included as standard equipment or an optional upgra...

Extra stepper motor for the MicroTouch Autofocuser. This motor fits all current model Sky-Watcher USA refractors using 2", 2.7" or 3" focusers, inc...

Extra stepper motor for the MicroTouch Autofocuser. This motor fits the standard Stellarvue focusers that have a 25mm mounting diameter. A larger s...

Extra stepper motor for the MicroTouch Autofocuser. This motor fits the newer Stellarvue focusers (including the 2.5") that have a 33mm mounting di...

Extra stepper motor for the MicroTouch Autofocuser. This motor fits Takahashi FSQ-106 and FSQ-85 models with 2-speed focuser. The stepper drives th...

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...

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...

From dazzling gemstones to sparkling crystals to molten lava, this brilliantly illustrated book introduces children to the exciting world of rocks ...

• Waterproof • Tear-Resistant • Stargazer Map and Guide The Moon's mystique for ancient cultures might have lain in its unchanging aspect as it tra...

• Waterproof • Tear-Resistant • Stargazer Map and Guide The name Solar System is derived from "Sol" or sun, and describes our planetary system orbi...

  BaK-4 Prisms w/ Phase Coating: Increases contrast and resolution for sharper more detailed images Fully Multi-Coated Optics: Allows maximum ligh...

Designed with the outdoor enthusiast in mind, waterproof and fully rubber armored Phase coated BaK-4 prisms for increased contrast and resolution ...

Designed with the outdoor enthusiast in mind, waterproof and fully rubber armored Phase coated BaK-4 prisms for increased contrast and resolution ...