In Stock

Optolong UHC nebula clip filter for Canon EOS APS-C cameras! The UHC (Ultra High Contrast) broadband filter is designed to improve the visibility ...

All Starizona motors come with the correct gears and tools to attach them. This product is only intended to be used as a replacement.

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...

The UHC (Ultra High Contrast) broadband filter is designed to improve the visibility of various deepsky objects. The UHC (Ultra High Contrast) bro...

This is the top half of the Celestron 11" SCT counterweight set. Use this if you already have a bottom slidebar kit from Celestron or Losmandy. Inc...

Best-selling star chart, ideal for beginning astronomers!These charts are the perfect way to learn the stars and constellations. Simply rotate the ...

Authors: Bruce GrubbsPaperback: 368 pages, 3rd Ed.Lace up your boots and sample 120 of the finest trails in Arizona. Hike the Boucher-Hermit Trails...

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'...

Easily use standard 1.25" eyepieces and accessories in a 2" telescope focuser, diagonal, or visual back with this precision-machined aluminum adapt...

Meticulous Mid-Range Machinery. Powerful. Compact. Precise. Dual-axis belt drives deliver whisper-quiet, extremely accurate movement for both axes ...

Designed with the discerning astrophotographer in mind, Sky-Watcher’s top-of-the-line Esprit EDX refractors deliver the kind of imaging performanc...

Designed with the discerning astrophotographer in mind, Sky-Watcher’s top-of-the-line Esprit EDX refractors deliver the kind of imaging performanc...

All-metal binocular tripod adapter designed for secure mounting of binoculars to standard photo and telescope tripods. Features 1/4"-20 threading o...

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...

Designed with the discerning astrophotographer in mind, Sky-Watcher’s top-of-the-line Esprit EDX refractors deliver the kind of imaging performanc...

The Askar 0.74× reducer, specially optimized for the Askar 111F, is designed to unlock a broader and more efficient deep-sky astrophotography exper...

Lightweight & Compact - Designed for Both Visual Observation and Astrophotography *Focus can be achieved within a back focus range of 45-75 m...

ANORAMIC VIEWS. PINPOINT PRECISION. Ultra-Wide Field of View Experience an expansive, immersive view of the night sky with an ultra‑wide field of v...

ANORAMIC VIEWS. PINPOINT PRECISION. Ultra-Wide Field of View Experience an expansive, immersive view of the night sky with an ultra‑wide field of v...

PANORAMIC VIEWS. PINPOINT PRECISION. Ultra-Wide Field of View Experience an expansive, immersive view of the night sky with an ultra‑wide field of ...

Developed for the Stellarvue FSV-3B series focusers, this is the 3rd generation of Optec's DirectSync motor. The SVX30 ThirdLynx control circuit fe...

Designed for iOptron® GOTO mounts for an additional 8 inches of extra height. Fits the following iOptron® tripods/piers: LiteRoc Tripod for AZ Mo...