ED50 FIELDSCOPE EYEPIECE 40X/50X W DS

Dedicated eyepiece with wide angular field of view. Enables digiscoping with certain Nikon COOLPIX and digital SLR cameras, and the Fieldscope III, EDIII, ED82 and ED50. Features an advanced multilayer lens coating for superior light transmission and clear, high resolution images Magnification: 40x when attached to a Fieldscope III or EDIII; 50x when attached to a Fieldscope ED82; and 27x when attached to a Fieldscope ED50. Angular field of view (Real/degree): 1.8 when attached to a Fieldscope III or EDIII; 1.4 when attached to Fieldscope ED82; and 2.7 when attached to Fieldscope ED50. Angular field of view (Apparent/degree): 64.3 for all models. Field of view at 1,000m: Approximately 31 m when attached to a Fieldscope III or EDIII; 24 m when attached to a Fieldscope ED82; and 47 m when attached to a Fieldscope ED50. Exit pupil: 1.5 mm when attached to a Fieldscope III or EDIII; 1.6 mm when attached to a Fieldscope ED82; and 1.9 mm when attached to a Fieldscope ED50. Relative brightness: 2.3 when attached to a Fieldscope III or EDIII; 2.6 when attached to a Fieldscope ED82; and 3.6 when attached to a Fieldscope ED50. Eye relief: 17.8 mm for all models. Weight: 180 g.