Description Reveal celestial wonders like the desolate beauty of the lunar terrain, the serene structure of Saturn’s rings or the brightest deep s...

"This is the ultimate portable system as far as I am concerned."-Jim Johnston Astrophotographer Features The iEXOS-100 is an astronomical GOTO sys...

NOTE: Explore Scientific Eclipse Glasses are rated ISO12312–2, tested and approved by ICS Labs for Direct Observation of the Sun. In addition, Ex...

If you need a Sun Catcher Solar Filter for 10-inch and 12-inch Dobsonian telescopes, purchase SC14-00. Cassiopeia Observatory Review - Click Here...

Features Combination of fully multi-coated lenses and superior Bak-4 prisms creates images with excellent contrast and clarity 42mm aperture has ...

Features Waterproof National Geographic Harness 283ft field of view at 1000 yards Carrying case and lens covers included Description These ver...

Get the National Geographic Carbon Trekking Poles Set ($59.99) for FREE, when purchasing 10x42 Waterproof Performance Roof Binoculars. To activate...

Features Wide-view color VA display Moon phase display Barometer with weather forecast 6 kinds of dynamic weather forecast icons (Sunny, Clear to...

Description Using advanced computer design, combinations of low dispersion and high refractive index optical glasses, and durable multilayer depo...

Description Using advanced computer design, combinations of low dispersion and high refractive index optical glasses, and durable multilayer depo...

Description “I just recently purchased my first E.S. telescope after owning a couple fantastic E.S. eyepieces. I have the 6.7mm & 30mm 82° e...

Features Huge apparent field of view not only gave the observer a panoramic visual experience, but they relax the eye so the observer could pay ...

Features Huge apparent field of view not only gave the observer a panoramic visual experience, but they relax the eye so the observer could pay ...

Description Explore Scientific Waterproof Eyepieces - Comfort, Quality, Value. The Explore Scientific 62° Series eyepieces are excellent flat-fie...

Description Long considered the “standard” eyepiece that is often supplied with telescopes that are sold by various suppliers, the 25mm focal len...

Description Loved by deep sky observers, a 30mm focal length eyepiece produces a large exit pupil which floods your dilated eye with light, which...

Description The longest focal length in the 52° Series with the longest eye relief, the 40mm is also the only 2.0-inch O.D. eyepiece in this seri...

Features High quality Explore Scientific O-III filter Let only the oxygen emission lines "through" Absorbs all other emission lines Absorbs almo...

Features High quality Explore Scientific S-II filter Absorbs all other emission lines Absorbs almost all of the artificial light Passband bandwid...

Features High quality Explore Scientific S-II filter Absorbs all other emission lines Absorbs almost all of the artificial light Passband bandwid...

Features High quality Explore Scientific H-Alpha filter Lets only the emission lines of hydrogen "through" Absorbs almost all of the artificial l...