Products

Used HyperStar C11 v3.  Excellent condition.  Includes adapter for 17.5mm backfocus M42 camera (ZWO, etc).  Can be used on EdgeHD scope with option...

Used HyperStar C8 v4 with Filter Slider.  Excellent condition.  Includes adapter for ZWO 17.5mm backfocus M42 camera.

Used Tele Vue 10mm Delos eyepiece.  Like new.  Includes original box and caps.

Used 1.25" Tele Vue 3x Barlow in excellent condition.  Original box is a bit scuffed but Barlow looks great.  Thumb screw may not be the original b...

Used ZWO ASI183MM Pro monochrome camera.  Excellent condition.  Includes all original cables, adapters, case and box.

Used ZWO ASI220MM Mini guide camera.  Like new.  Includes all original cables, adapters and box.

Used ZWO OAG-L off-axis guider.  Excellent condition.

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...

The 1.25-Inch variable Polarizing filter acts like a dimmer switch for your telescope. Adjust the amount of light transmission from 1% to 40% by ro...

  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...

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

Specially prepared to mark the Fifth Anniversary of the launch of the James Webb Space Telescope. Calendar features: Large format, lots of room to...

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 ...