Products

Feather Touch® 1.25" Diameter Single Speed 0.75" Draw Tube Travel, Brake and Compression Ring. The draw tube is threaded with a T-thread for ease o...

This Micro Pinion Assembly can be used on the Takahshi Sky 90 and FCL-90 telescopes. This installation improves the performance of the telescope’s ...

This Micro Pinion Assembly can be used on the Takahashi 102, TSA120, 128, TOA130 with 2.7" focusers. This installation improves the performance of ...

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...

Feather Touch® 1.25″ Diameter Single Speed 1.5″ Draw Tube Travel, Brake and Compression Ring.  The draw tube is threaded with a T-thread for ease...

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

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

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

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

This version of the C14 MicroFocuser will fit both the Edge HD and new-style non-HD 14" SCTs from Celestron. The "new-style" non-HD C14s have the s...

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

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

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

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

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

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Our extremely popular Filter Slider is now available for the Celestron Origin!  The Filter Slider allows easy swapping of standard 2" filters.  The...

Author: H. A. ReyPaperback: 72 pagesClassic first guide to the stars from the creator of Curious George. Popular with both kids and adults wanting ...

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...

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...

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...

  Celestron’s beloved entry-level telescope gets a stunning look! The Signature Series FirstScope features a superb Moon image by astroimager and ...

The low profile flat-top 2"-1.25" adapter allows closer placement of the eyepiece. Use with Newtonian reflectors, Tele Vue Paracorr, 2" Powermate a...

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

A sweeping tour of the galaxies, from our Milky Way to infinity. Galaxies are glittering islands in the Universe, interwoven in the web of Dark Ma...

From azurite to wulfenite, Arizona is known the world over for its rich abundance of rocks and minerals. Now in its third edition, this best-sellin...

This green laser collimator is designed for collimating Cassegrain type telescopes. It projects a pattern of concentric green circles. We recommend...

Good Night Aerospace Museum highlights the lunar module, lunar rover, astronauts, Wright Flyer, WWII planes, jumbo jets, fighter jets, gliders, hel...

Good Night Astronauts features space camp, spacesuits, an international space station, rocket ships, space food, gravity, the solar system, stars, ...

Ready to blast off? We’re taking a tour of the Milky Way Galaxy!Get your little astronaut ready for an amazing trip through the stars. Watch as yo...

Good Night Solar System explores the Milky Way Galaxy, the Sun, the Moon, all of the planets, including Mercury, Venus, Earth, Mars, Jupiter, Satu...

This Keypad should only be purchased for use with the GTOCP1, GTOCP2 and GTOCP3 control boxes. This Keypad model will be supplied with the original...

All GTO mounts(except the Mach2GTO) produced since 1998 can be easily upgraded!!! The GTOCP4 Upgrade and Installation Guide (PDF document) provide...

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 ...

Hands-on space science projects help launch kids ages 8 to 11 into learning about fearless female astronauts who broke barriers across space and g...

Half pier compatible with Gitzo Systemetic 3 Series, 4 Series and Xiletu L404C tripods. Mounts and half pier are tightened with two M8 knob bolts, ...

Author: Robert Michael PylePaperback: 280 pagesThis essential handbook covers where to find butterflies; how to observe and photograph them; their ...

3D printed top handle for the HAC125 DX.  The handle can accept common Synta style brackets for accessories such as guide scopes and the ASIAIR.  I...

Celestron's HD Pro Wedge is designed to support our fork mounted Schmidt Cassegrain Telescopes up to 11". The HD Pro provides a heavy duty, stable ...

Sky-Watcher’s Heliostar H-alpha Solar Telescopes offer a dedicated solar viewing experience to the lineup. Hydrogen-alpha solar observing allows yo...

Heliostar OTA Double stack performance, single stack price 76mm aperture, 630mm focal length, f/8.3 Official solar telescope of the Charlie Bates ...

Double stack performance, single stack price 76mm aperture 630mm focal length f/8.3 Official solar telescope of the Charlie Bates Solar Astronomy ...

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

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...

Author: Erik MolvarPaperback: 311 pagesSouthern Arizona offers unlimited opportunities for backcountry exploration. This second edition of Hiking A...

Additonal 1.25" Reflector Mirror for Advanced CT Laser Collimator Features: Precision retro reflector mirror for Advanced CT Laser Collimtor - Dou...

Self-Centering Adapter (SCA) Provides Repeatable InstallationThe HoTech laser collimator separates itself from all other laser collimators with its...