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Before the popularization of John Dobson’s altazimuth mount design with low center of gravity combined with a Newtonian optical assembly
25-inch Adapter
Apparent field of view 68° Parfocal Yes Eye relief 20 mm Field stop 15
Meticulous Craftsmanship
considering the small field of view and sometimes less-than-ideal illumination
Explore Scientific 68 degrees 34mm Waterproof Eyepiece Essentials Before the popularization of JohnUsing 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
US$ 250.00
US$ 65.00
US$ 437.50
