Nikon Fieldscope Eyepiece 16x/24x/30x Wide 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: 24x when attached to a Fieldscope III or EDIII; 30x when attached to a Fieldscope ED82; and 16x when attached to a Fieldscope ED50.

Angular field of view (Real/degree): 3 when attached to a Fieldscope III or EDIII; 2.4 when attached to Fieldscope ED82; and 4.5 when attached to Fieldscope ED50.

Angular field of view (Apparent/degree): 64.3 for all models.

Field of view at 1,000m: Approximately 52 m when attached to a Fieldscope III or EDIII; 42 m when attached to a Fieldscope ED82; and 79 m when attached to a Fieldscope ED50.

Exit pupil: 2.5 mm when attached to a when attached to a Fieldscope III or EDIII; 7.5 mm when attached to a Fieldscope ED82; and 3.1 mm when attached to a Fieldscope ED50.

Relative brightness: 6.3 when attached to a Fieldscope III or EDIII; 7.3 when attached to a Fieldscope ED82; and 9.6 when attached to a Fieldscope ED50.

Eye relief: 18.7 mm for all models.