14mm 100° Series Nitrogen-Purged Waterproof Eyepiece These eyepieces are the world's first nitrogen-purged waterproof eyepiece with a 100° Apparent Field for astronomy. The body of the eyepiece is nitrogen-purged and waterproof preserving the...

80mm f/6 Air-Spaced Triplet ED Apochromatic Refractor ED80 Air spaced triplet refractor in Carbon Fiber w/Retractable Dew Shield, Push/Pull collimation Cell, Two speed Focuser, Deluxe Case, 99% 2-inch Diagonal, Vixen Style dovetail mount.  The...

Explore Scientific 16mm 68 Degree Series Argon-Purged Waterproof Eyepiece EPWP6816-01 Field of view - 68 degreeEye Relief - 12mmFocal Length - 16mmNumber of optical elements - 6Barrel Size - 1.25"

Explore Scientific 28mm 68 Degree Series Argon-Purged Waterproof Eyepiece EPWP6828-01 Field of view - 68 degreeEye Relief - 22mmFocal Length - 28mmNumber of optical elements - 6Barrel Size - 2"

Explore Scientific 40mm 68 Degree Series Argon-Purged Waterproff Eyepiece EPWP6840-01 Field of view - 68 degreeEye Relief - 31mmFocal Length - 40mmNumber of optical elements - 6Barrel Size - 2"

Explore Scientific 120 Degree Series 9mm Argon Purged Eyepiece 2" EP12009-01 This deep sky eyepiece is not only the first of it's kind for astronomy, it produces a highly corrected field across the 120 degree apparent field. The views of...

Now in stock! Explore Scientific 25mm 100 Degree field waterproof 2" eyepiece , EP10025-01 The new 25mm Explore Scientific 100 degree field 2" eyepiece is O-ring sealed and argon-purged to be 100% waterproof. To insure a perfect seal,...

Explore Scientific 80mm f/6 ED Apo OTA with Deluxe Case & Accessories The 80mm f/6 ED Apochromatic triplet from Explore Scientific is a great air-spaced triplet refractor telescope for observing as well as for use in photography of celestial...

Explore Scientific 9mm 100° Series Nitrogen-Purged Waterproof Eyepiece This 9mm eyepiece has a 100° Apparent Field Of View and the body of the eyepiece is nitrogen-purged and waterproof preserving the internal elements to remain as pristine as the...

Explore Scientific Doublet AR127mm f/6.5 OTA  and acc. Explore Scientific's 127mm f/6.5 telescope is an air-spaced doublet achromatic refracting telescope that utilizes EMD™ (Enhanced Multilayer Deposition) coatings which eliminates light scatter...

Explore Scientific ED152-CF - 6" f/8 air spaced Triplet Refractor - Carbon Fiber     The Explore Scientific 152mm f/8 Carbon Fiber Air-Spaced Triplet ED Apochromatic Refractor  includes a Feathertouch Two-speed 3" focuser, illuminated...

Out of stock. Explore Scientific 82° Series 11mm Eyepiece Barrel Size: 1.25" Eye Relief: 15mm Elements: 7 in 4 Groups Parfocal: Yes Weight: 13.2 oz. Nitrogen Purged, Waterproof All Explore Scientific telescope accessories are covered...

New Explore Scientific 82° Series 18mm Eyepiece Barrel Size: 2.00" Eye Relief: 13mm Elements: 6 in 4 Groups Parfocal: Yes Weight: 1.2 lbs. Nitrogen Purged, Waterproof All Explore Scientific telescope accessories are covered under our standard...