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5" HEX focuser with helical gearing and 10:1 reduction
Argon cools slower thereby buffering the effects of rapid temperature changes of the optics
Whether you're in the lab or the classroom
the office or at home
a shoulder strap with Explore Scientific embroidered logo pad
68° Series 20mm Waterproof Eyepiece battery 5" HEX focuser with helicalUsing advanced computer design, combinations of low dispersion and high refractive index optical glasses, and durable multilayer deposition coatings, Explore Scientific 68 Series Argon Purged Waterproof extreme wide field eyepieces are optimized to produce high contrast, high resolution, and superior flat field characteristics. The visual effect of these eyepieces with their long eye relief and their 68 apparent field is truly a full immersion
