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exotic Lanthanum elements
73° Linear Field of View (@1000 yds) / @1000 m) 89 ft (27 m) @ 18x| 38 ft (11
Designed for use with 400mm to 660mm focal length refractors with f/5 to f/7
Tested Under 1 Meter of Water for 30 Minutes Eyecup Removable Flip-Down Style Soft Silicone Rubber Lens Caps Slide-on Top and Bottom Materials Optical Glass
52° 6.5mm Waterproof Eyepiece Discontinued exotic Lanthanum elementsFeatures Using advanced computer design, combinations of low dispersion and high refractive index optical glasses, and durable multilayer deposition coatings, Explore Scientific 52 Series Argon Purged Waterproof eyepieces are optimized to produce high contrast, high resolution, and superior flat field characteristics. The 52 Series eyepieces are par focal (meaning they focus at near the same point regardless of the focal length you select) and come
US$ 12.99
US$ 17.00
US$ 55.95
US$ 38.00
US$ 59.95
