The Meade Series 5000 Ultra Wide Angle 20mm Eyepieces offer revolutionary new advances in resolution, image correction and eye relief, with an astonishing 82deg. field of view and waterproof construction. The Series 5000 UWA eyepieces feature a 7-element, fully multi-coated optical design with premium-grade and exotic optical glasses for the best possible performance and image brightness, blackened lens edges and internal surfaces for enhanced contrast and a parafocal design for little or no focus change when switching between eyepieces of the series. With a precision machined 1.25" barrel, comfortable long eye relief and adjustable twist-up rubber eyeguard for comfort and blocking stray light.
|Focal Length||20mm / 0.78 inches|
|Apparent Field of View||82deg.|
|Barrel Size||2 inch|