Nikon 60x/75x Wide DS Eyepiece for Attaching a COOLPIX Camera

Dedicated Nikon 60x/75x Wide DS eyepiece with a 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.

Features:

Possible vignetting reduction

Connect COOLPIX - Fieldscope

Rubber eyecup supplied

Magnification

60x when attached to a Fieldscope III or EDIII; 75x when attached to a Fieldscope ED82; and 40x when attached to a Fieldscope ED50

Angular field of view (Real/degree)

1.2 when attached to a Fieldscope III or EDIII; 1 when attached to Fieldscope ED82; and 1.8 when attached to Fieldscope ED50, 64.3 for all models.

Field of view at 1,000m

Approximately 21 m when attached to a Fieldscope III or EDIII; 17 m when attached to a Fieldscope ED82; and 31 m when attached to a Fieldscope ED50.

Exit pupil

1 mm when attached to a Fieldscope III and EDIII; 1.1 mm when attached to a Fieldscope ED82; and 1.3 mm when attached to a Fieldscope ED50.

Relative brightness

1 when attached to a Fieldscope III or EDIII; 1.1 when attached to a Fieldscope ED82; and 1.7 when attached to a Fieldscope ED50

Eye relief

17.0 mm for all models.