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Argon cools slower thereby buffering the effects of rapid temperature changes of the optics
3 focal ratio and a 114mm (4
Available in both black and white
and binoculars — perfect for young explorers keen on both terrestrial and celestial discoveries
portable design ideal for both visual astronomy and astrophotography
68° Series 24mm Waterproof Eyepiece Aperture_2. 100mm - 127mm Argon cools slower thereby bufferingUsing 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
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