Products

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...

The TeleVue Focusmate Universal Driver attaches to the Televue Focusmate 6:1 fine focus unit, regardless of which side of the telescope the Focusma...

The TeleVue Focusmate Universal Driver attaches to the Televue Focusmate 6:1 fine focus unit, regardless of which side of the telescope the Focusma...

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...

Because portability and usability are design objectives for all Tele Vue scopes, the Gibraltar HD4 Mount has also been produced with these qualitie...

Because portability and usability are design objectives for all Tele Vue scopes, the Gibraltar HD5 Mount has also been produced with these qualitie...

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...

This Keypad should only be purchased for use with the GTOCP4 and GTOCP5 control boxes with version P02-09 firmware or later. If you own a GTOCP1, ...

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 ...

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 ...

All new DVD release featuring over 2.5hrs of image processing tutorials. High Resolution Astrophotography is a new DVD release from award-winning a...

Following on from Part I in this DVD processing series, Part II focuses on processing planetary image data using Adobe Photoshop. The disc contains...

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...