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Dew heater specs: 28
Featuring this 68° 40mm Argon-Purged Waterproof Eyepiece by Explore Scientific
and after awhile
Our 68° 28mm Argon-Purged Waterproof Eyepiece is easier to clean with no risk of the cleaning solution and migrates from the top of the lens and seeping around edges to trapped between elements
Explore Scientific 68° 34mm Waterproof Eyepiece F-Ratio_F/6 - F/8.9 Dew heater specs: 28Be sure to add the Eyepiece Soft Case to your cart! Explore Scientific 68 34mm Argon Purged Waterproof Eyepiece Featuring this 68 34mm 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