Products

Our 2" Light Pollution Reduction (LPR) Filters are designed to selectively reduce the transmission of certain wavelengths of light, specifically th...

  65 mm Refractor Spotting Scope Multi-Coated optics 45° viewing angle 18-55x zoom eyepiece Sight tube for quick targeting Waterproof Soft carryin...

  80 mm Refractor Spotting Scope Multi-Coated optics 45° viewing angle 20-60x zoom eyepiece Sight tube for quick targeting Waterproof Soft carryin...

80 mm Refractor Spotting Scope Multi-Coated optics Straight through viewing angle 20-60x zoom eyepiece Sight tube for quick targeting Waterproof S...

10mm parfocal Ultra Flat Field eyepiece designed for 1.25” focusers Incredibly crisp views from center to edge of field Fully multi-coated, 5-ele...

15mm parfocal Ultra Flat Field eyepiece designed for 1.25” focusers Incredibly crisp views from center to edge of field Fully multi-coated, 8-ele...

18mm parfocal Ultra Flat Field eyepiece designed for 1.25” focusers Incredibly crisp views from center to edge of field Fully multi-coated, 8-ele...

24mm Ultra Flat Field eyepiece designed for 1.25” focusers Incredibly crisp views from center to edge of field Fully multi-coated, 8-element lens...

30mm parfocal Ultra Flat Field eyepiece designed for 2” focusers Incredibly crisp views from center to edge of field Fully multi-coated, 9-elemen...

Ultimate Stickers Books make learning fun. Each Ultimate Sticker Book presents an array of colorful, photographic stickers of baby animals or dinos...

Unrivaled in its breadth, Universe explores every aspect of the cosmos, from the big bang to planets in our solar system and beyond. Detailed profi...

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...

Used ZWO EFW 5x2" filter wheel.  First generation model.  Excellent condition. Includes original adapters, screws, USB cable and box.

Used Baader Morpheus 17.5mm eyepiece.  Like new.  Includes original box, caps, eyeguard and soft case.

Used Baader Morpheus 4.5mm eyepiece.  Like new.  Includes original box, caps, eyeguard and soft case.

Used Baader Morpheus 6.5mm eyepiece.  Like new.  Includes original box, caps, eyeguard and soft case.

Used Celestron 8-24mm zoom eyepiece in excellent condition.

Used Celestron Luminos 31mm eyepiece.  Very good condition.  Includes original caps, no box.

Like new Celestron Luminos 23mm eyepiece.  Most likely came with an EdgeHD telescope and was never used.

Used Explore Scientific 11mm 82-Degree eyepiece.  Excellent condition.  Includes original caps, no box.

Used Explore Scientific 14mm 100-Degree eyepiece.  Excellent condition.  Includes original caps, no box.

Used HyperStar 9.25 v3.  Excellent condition.  Includes adapter for 17.5mm backfocus M42 camera (ZWO, etc.)