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For the Celestron 6SE, Feather Touch® Micro Focuser for Celestron 6″ Evolution Schmidt-Cassegrain Telescopes (starlightinstruments.com) you will ne...

ASI585MC/MM Pro is a new ZWO deep sky camera based on the 4k SONY CMOS sensor with a 1/1.2″ format and 2.9μm pixels. It has a super high sensitivi...

Made of anodized aluminum.

This adapter commonly comes with ZWO's astrophotography cameras that have M54 attachment threads.

ASKAR FMA180 objective lens features Triplet air-spaced APO design,includes two pieces of ED (extra-low dispersion) glass, providing excellent corr...

Replacement 2" holder for Quattro focusers that features a brass clamp ring and much tighter inside diameter tolerance to better hold imaging acces...

Pre-order for Askar 0.75x Reducer for 71F Telescope. More information coming soon!

Accurate balance is necessary for the best telescope performance. Adding heavy accessories such as 2" eyepieces or cameras to a scope requires the ...

This version of the Counterweight Set will not work with the CPC-800. For the correct version, click here.Accurate balance is necessary for the bes...

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

Celebrate NASA and space exploration with the MiniBlock Astronaut Building Set. Featuring 390 pieces, this detailed set includes a saluting astrona...

A high-performance sextuplet, air-spaced Petzval astrograph featuring SD glass elements. Specifications Parameters Aperture s...

Exploring the Night Sky is aimed at novice star gazers anxious to expand their astronomical repertoire beyond the Big and Little Dippers. Dickinso...

Z

Description The secondary mirror cover can be used to cover the rear side of the secondary mirror. This considerably reduces the cooling of the se...

This double ring set offers improved stability over single camera body mounting rings for using a ZWO camera with a DSLR camera lens.  The ring set...

This adapter allows the use of a Feathertouch SCT MicroFocuser on an older Celestron 8" SCT (orange tube and some older black tube models). Include...

Use this sturdy, 3D-printed plastic bracket to attach a standard red-dot type finderscope to the flash hot shoe on top of your Nikon DSLR. The find...

This is the top half of the Celestron 8" SCT counterweight set. Use this if you already have a bottom slidebar kit from Celestron or Losmandy. Incl...

Rock collecting is simple and fun with this children’s book that includes an introduction to geology, an identification guide to rocks and minerals...

Build a detailed model of a space shuttle on its launch pad with the MiniBlock Space Shuttle Building Set. Featuring 542 pieces, this set includes ...

The popular Sky-Watcher SolarQuest mount is an awesome little sun tracking mount that works perfectly with many solar telescopes, but some telescop...

Compatible with the original S50, not the S50 Pro Our kit of popular accessories for the ZWO Seestar S50 smart telescope includes a holder for usin...

This version of the Counterweight Set will not work with the CPC-1100. For the correct version, click here. Accurate balance is necessary for the b...

This is the top half of the Celestron CPC-1100 counterweight set. Use this if you already have a bottom slidebar kit from Celestron or Losmandy. In...

The narrow-bandpass OIII filter improves the view of emission and planetary nebulae. The filter works by blocking natural and artificial light poll...

13th edition, 2021. ISBN: 9781734315042 The Grand Canyon State abounds in natural beauty and outdoor recreation possibilities. Completely reworked ...

This richly illustrated folding guide from Waterford Press highlights over 140 familiar and unique species and includes a map featuring prominent b...

Pollinators in Arizona include bats, bees, hummingbirds, butterflies, moths, wasps, flies, and beetles. These beneficial species are both beautiful...

Arizona s top-selling 4x4 guidebook. 100 of the best 4x4 trails in Arizona. Completely redone 3rd edition is more fun than ever. Whether you are a ...

Enjoy the wonders of the heavens and understand more fully what you see. This Golden Guide shows you how with 150 full-color illustrations, includi...

Embark on a NASA-inspired space mission with the MiniBlock Mars Rover Building Set. Featuring 399 pieces, this detailed set includes a movable robo...

Recreate the legendary Saturn V Rocket with the MiniBlock Saturn V Rocket Building Set. Featuring 391 pieces, this detailed set includes realistic ...

Precision stainless steel shim set for setting precise backfocus of critical optical systems.  Fits M54 threads.  (M42 and M48 sizes also available...

The Azimuth Adjuster Adapter is designed for use on the Twilight Medium Duty or Twilight Heavy Duty tripods.  This adapter also works with the Lig...

130PHQ is a long-focal-ratio, flatfield astrograph newly launched after 107PHQ. Instead of buying extra flatteners, calculating the backfocus of fl...