In Stock

Made from anodized aluminum.

Helps to obtain the correct backfocus for your viewing needs. Made for use with 2-inch (50.8mm) telescope eyepieces with M48 mounted filter threads...

ZWO’s 16.5 mm M48 spacer is a aluminum extension ring designed to reach optical spacing in imaging systems that require a precise backfocus. It fea...

The ideal storage and transport solution for a wide range of tripods and their accessory trays with internal straps for a secure fit. Ultra-durabl...

Askar MCP90 (Multi-Connection Plate 90) is a professional design especially for FRA400/5.6 astrograph. But it also works well with other various ha...

This adapter ring will convert a standard HyperStar C14 into an HD version to work on an EdgeHD telescope.  It simply threads into the existing...

This bracket allows easy mounting of the ZWO EAF autofocus motor to an Airy Disk triplet refractor.  Tested to work with 85, 96, 106 and 140mm mode...

Aluminum dew shield fits Celestron 6" SCTs with HyperStar Celestron 6 SCT & Hyperstar Dew Shield 12" in total length Top, bottom and side notc...

Imagine a world without light. What would it be like? Dark, cold, and lifeless! In Explore Light and Optics! With 25 Great Projects, readers ages 7...

Note that this version of the counterweight set will not work with the CPC-1100 telescopeTo achieve true dynamic balance with a fork-mounted SCT, b...

  Optolong L-Pro clip filter for Canon EOS full frame cameras! The L-Pro is designed to improve the visibility of various deepsky objects. By selec...

Upgrade your Seestar setup with the TC20 Carbon Fiber Tripod, a lightweight, sturdy, and adjustable tripod—perfect for a Seestar S30 or Seestar S30...

Get this must-have guide for Arizona, featuring full-color photographs and information to help you identify rocks and minerals. Identify and colle...

What do you see when you look up into the sky at night? The moon, stars, maybe even a comet or asteroid? You can also see other planets! In Planet...

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

Product Name ASI585MM/MC Sensor IMX585 Sensor Size 1/1.2″, 11.2×6.3mm Resolution 3840×2160 ADC 12bit Pixel Size 2.9μm Read n...

Find out about all 118 elements, the building blocks of matter that make up our entire universe, in this pocket-sized encyclopedia.Discover all the...

The Antlia LRGB-V Pro series filters are designed for monochrome cameras that use both CCD and CMOS sensors. Suitable sensors include KAF/KAI senso...

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...

Ideal for using a 68mm OAG, our M68 T-adapter fits any Celestron telescope with the larger 3.29" rear cell threads.  It is compatible with all C11 ...

Self-flattened quadruplet Astrograph which can be used for visual observing and astrophotography. The Askar 131F is a large-aperture telescope des...

Common T-rings use M42 threads and are not compatible with equipment that uses larger M48 threads.  Use this anodized aluminum T-ring to connect a ...

Made from anodized aluminum. This finder base includes two thumbscrews to attach your favorite finder scope. The bottom slot is 34mm wide by 39mm l...

Designed for cleaning CCD, CMOS sensors, or any sensitive surface.  This kit includes:  6x SensorSwab ULTRA Cleaning Swab 1xEclipse Optic Cleaning...

Be prepared for wherever adventure leads with the National Geographic LED Rechargeable Trek-Light that can illuminate your path at distances up to ...

Upgrade your SQA-series telescope with this precision-machined metal extension kit from Askar. Engineered for compatibility with models lik...

Upgrade your Schmidt-Cassegrain or Maksutov-Cassegrain telescope to accept standard 2" accessories. The internal threads create a secure connection...

  T-Adapter for 9.25, 11 & 14” EdgeHD optical tubes. It threads onto the rear cell This T-Adapter allows you to attach your 35 mm DSLR camera...

Concept: Just as Delos eyepieces were developed based on Tele Vue's Ethos eyepiece design advancements, DeLite is the logical step toward a smaller...

All Pro cameras (with cooler) need to be connected to an external 11-14v power supply to image.  You can also use ASIAIR to power the cameras. Even...

The 0.8x reducer can bring Askar 185APO's focal ratio down to F5.6. This is a standard reducer with field flattening capabilities as well. A shor...

40x to 600x magnification, up to 2400x with digital zoom 4.3" LCD touchscreen 5MP CMOS built-in digital camera 5 fully achromatic objective lense...

Eyepieces at or near the 10mm range are often considered a mandatory focal length in your collection, as this focal length range is departure p...

0.92x Field Flattener / Reducer for all APOs 2 Glass Elements ED 55mm Back Focus, adjustable T2 AP85 to 469mm f/5.5 AP95 to 529mm f/5.5 AP106 to 64...

The thickness of the M42M-M48F 22.5mm extender is 22.5mm. It is an important astronomical accessory for ASI2600MM Pro users who want to connect the...

A new generation - the world-first - galaxy and nebula booster filter intended for shooting not only nebulae, but also galaxies by the use of the t...

Finder Charts are printed on white vellum card stock to make them durable. The black printing and stars on a white background makes them easily rea...

Note that this version of the counterweight set will not work with the CPC-800 telescopeTo achieve true dynamic balance with a fork-mounted SCT, bo...

PLAY & LEARN: Professor Noggin’s series of educational card games encourages kids to learn interesting facts about their favorite subjects. F...

Optolong UHC nebula clip filter for Canon EOS full frame cameras! The UHC (Ultra High Contrast) broadband filter is designed to improve the visibi...

Use this adapter to connect a camera with female T-threads to a device with male C-threads. Ideal for using T-thread autoguiders such as the Orion ...

Use this female T-thread to male T-thread spacer to extend standard T-thread adapters to achieve the correct backfocus for your telescope. Availabl...

Easily attach a ZWO EAF to the Sky-Watcher Skymax 200DX with this bracket from Starizona.  3D printed from durable carbon fiber PETG, the bracket c...

O-III Super-G filter with 9 nm FWHM and a maximum transmission of 97%.For visual and photographic observation of planetary nebulae and supernova r...

An authoritative survey of the most common and noteworthy plants found throughout Arizona, this guide covers more than 1,000 species. Color photos ...

The Starlight Instruments SCT MicroFocuser provides the smoothest control for fine focusing. Two focus knobs allows for standard or 1/10th-speed fo...