Nikon 27x/40x/50x WW DS eyepiece

Special eyepiece with large field of view. Enables digiscoping with compatible Nikon COOLPIX cameras and digital SLR cameras and Fieldscope models III, EDIII, ED82 and ED50. Advanced multi-layer lens coating provides excellent light transmission and sharp, high-resolution images.

Magnification: 40x when mounted to Fieldscope III or EDIII; 50x when mounted to Fieldscope ED82 and 27x when mounted to Fieldscope ED50.

Field of view (real/deg): 1.8 when mounted to Fieldscope III or EDIII; 1.4 when mounted to Fieldscope ED82 and 2.7 when mounted to Fieldscope ED50.

Field of view (apparent/deg): 64.3 for all models.

Field of view at 1,000m: approximately 31m when mounted to Fieldscope III or EDIII; 24m when mounted to Fieldscope ED82 and 47m when mounted to Fieldscope ED50.

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

Luminosity: 1.5 when mounted on the Fieldscope III or EDIII; 1.6 when mounted on the Fieldscope ED82 and 1.9 when mounted on the Fieldscope ED50.

Exit pupil distance: 17.8mm for all models.