Nikon Scope EDG Eyepiece 16-48X / 20-60X

Magnification
16-48x when attached to a 65 mm diameter-objective model, and 20-60x when attached to an 82 mm-diameter-objective model.

Angular field of view (Real/degree)
2.4 at 16x magnification when attached to a 65 mm diameter-objective model and 1.9 at 20x magnification when attached to an 82 mm diameter-objective model.

Angular field of view (Apparent/degree)
37.1 at 16x magnification when attached to a 65 mm diameter-objective model and at 20x magnification when attached to an 82 mm diameter-objective model.

Field of view at 1,000m
Approximately 42 m when attached to a 65 mm diameter-objective model and 33 m when attached to an 82 mm diameter-objective model.

Exit pupil
4.1 mm at 16x magnification when attached to a 65 mm diameter-objective model, and at 20x magnification when attached to an 82 mm diameter-objective model

Relative brightness
16.8 at 16x magnification when attached to a 65 mm diameter-objective model and at 20x magnification when attached to an 82 mm diameter-objective model.

Eye relief
15.2 mm at 16x magnification when attached to a 65 mm diameter-objective model and at 20x magnification when attached to an 82 mm diameter-objective model.

Weight
205 g.