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Description N20839 Newtonian Item Number BR-N20839 Focal Length 812mm Focal Ratio f/3
Right Angle
for non-driven telescopes
This 82° Series™ eyepieces by Explore Scientific immerses you in a very comfortable ultra-wide field with its 82° apparent field of view that naturally promotes relaxation at the eyepiece
an eyepiece and a red dot viewfinder
Explore Scientific 68° 40mm Waterproof Eyepiece GSO Description N20839 Newtonian Item NumberBe sure to add the Eyepiece Soft Case to your cart! Explore Scientific 68 40mm Argon Purged Waterproof Eyepiece Featuring this 68 40mm Argon Purged Waterproof Eyepiece by Explore Scientific. This is optimized to produce high contrast, high resolution, and superior flat field characteristics. With advanced computer design, combinations of low dispersion and high refractive index optical glasses, and durable multilayer deposition coatings. A truly full
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