Products

Powerful 20x optical system for an image that is close-up to the action Large 50mm objective lenses with tremendous light gathering capability Hig...

High-quality everyday binoculars that are easy to take along on all life’s adventures Multi-coated optics increase light transmission for brighter...

This cable is used to convert a serial cable into a cable that is compatible with standard USB ports. Recommended for use with our RS-232 cable (93...

Variable polarizing filters are one of the best filters you can have for a telescope.  They are used to cut down the glare from the moon and bright...

  INCLUDED ITEMS: -dovetail bar-curved radius blocks-all necessary mounting hardware Fits all Celestron 11″ OTA’s including CPC and HD models. Cur...

Fits all Celestron 11″ OTA’s including CPC and HD models. Curved radius blocks and mounting hardware include. Uses existing mounting holes in OTA....

Fits V Series dovetail bars. Adds additional weight for balancing OTA’s. Split clamp design grips the dovetail bar along the entire surface of the ...

Fits V Series dovetail bars. Adds additional weight for balancing OTA’s. Split clamp design grips the dovetail bar along the entire surface of the ...

Telescope and spotting scope vibration is caused by windy conditions, an unsteady mount or tripod or even an accidental bump to the instrument, and...

Virtual View - The Visual Back with a Twist! Have you ever been to a star party with both kids and adults and wished you had an easy way to adjust ...

Virtual View - The Visual Back with a Twist! Have you ever been to a star party with both kids and adults and wished you had an easy way to adjust ...

Standard visual back as included with Celestron SCTs. Adapts 1.25" accessories (such as diagonals, camera adapters, etc.) to the standard SCT threads.

Vixen's newer refractors have a fine-focus mechanism that is attached to the existing focuser pinion by a thin metal plate. This plate is a weak po...

Fits all Meade 8″ OTA’s. Uses existing accessory mounting holes in the OTA. No curved radius blocks are needed. Uses existing mounting holes in OTA...

Adjustable 108mm guidescope ring set. Fits Losmandy V Series dovetail plates.

Adjustable 125mm guidescope ring set. Fits Losmandy V Series dovetail plates.

Adjustable 160mm guidescope ring set. Fits Losmandy V Series dovetail plates.

Adjustable 90mm guidescope ring set. Fits Losmandy V Series dovetail plates.

Universal Vixen style dovetail plate 14 inches long. Wt. 1.3 lbs., Length 14.0", thickness 0.6"

The Losmandy 7"-long V-Series Dovetail Plate is configured with a smaller Vixen-style dovetail, and made out of a lightweight and durable aluminum ...

Baader Wide-T-Ring Canon R to connect Canon EOS R cameras on the Astro T-2 system and S52 dovetail All Baader Wide-T-rings have an S52 dovetail i...

Serving up 58 calorically/nutritionally important wild edibles for the prepper, plant utilitarian, or curious hiker/camper, Wild Edible Plants of ...

"Wildflowers of Southeast Arizona: People exploring nature in Southeast Arizona can use this handy photographic field guide to identify common nati...

Kids will enjoy transferring their energy to learning about Energy, Motion, and Gases (that may get a few giggles from the boys) in the Wonders of ...

  X-Cel LX eyepieces, optimized for planetary viewing, offer a 60° field of view through a six-element fully multi-coated lens system Pop-up rubbe...

  X-Cel LX eyepieces, optimized for planetary viewing, offer a 60° field of view through a six-element fully multi-coated lens system Pop-up rubbe...

  X-Cel LX eyepieces, optimized for planetary viewing, offer a 60° field of view through a six-element fully multi-coated lens system Pop-up rubbe...

  X-Cel LX eyepieces, optimized for planetary viewing, offer a 60° field of view through a six-element fully multi-coated lens system Pop-up rubbe...

  Quality X-Cel LX 3x Barlow triples the magnification of any 1.25” eyepiece, perfect for owners of fast, short focal length telescopes 3-element ...

  X-Cel LX eyepieces, optimized for planetary viewing, offer a 60° field of view through a six-element fully multi-coated lens system Pop-up rubbe...

  X-Cel LX eyepieces, optimized for planetary viewing, offer a 60° field of view through a six-element fully multi-coated lens system Pop-up rubbe...

X-Cel LX eyepieces, optimized for planetary viewing, offer a 60° field of view through a six-element fully multi-coated lens system Pop-up rubber...

ZWO Atmospheric Dispersion Corrector is used to reduce the effect of atmospheric dispersion on lunar and planetary images The prisms are the cente...

Makes a great fit together with ZWO OAG and ASI Mini Series Cameras. Can also be used for other purposes when an exact focus is required.

Name: Female T2 to T2 (11mm) Thread: M42*0.75 female to female thread Match Model: ASI1600, ASI294, ASI533, ASI183  Size: M42*0.75 Note: Camera in ...