Dedicated eyepiece with variable magnification for use with specific EDG series Fieldscopes. Delivers bright, clear images at 20-60x magnification when attached to an EDG Fieldscope model with an 85 mm objective lens, and at 16-48x magnification when attached to a model with a 65 mm objective lens. Features a bayonet-type mount with lock for quick and secure attachment to the Fieldscope. With a long eye-relief this zoom eyepiece is a great choice for viewing subjects from variable distances, even if you wear glasses.
Specifications:
EDG Fieldscope | 85/65 |
Magnification | 20-60x/16-48x |
Real field of view | 2.2'-1.1'/2.8'-1.4', calculated based on ISO14133. |
Apparent field of view | 42??-60', calculated based on ISO14133. |
Field of view at 1000m | 38-19m/49-24m |
Exit Pupil | 4.3-1.4/4.1-1.4 |
Relative Brightness | 18.5-2.0/16.8-2.0 |
Eye Relief (mm) | 18.4-16.5 |
Length (mm) | 99, without caps. |
Outer Diameter (mm) | 63, without caps. |
Weight (g) | 330, without caps. |
Compatibility to FSB series (Digiscoping) | No |
Package Contents:
- Nikon EDG Fieldscope Eyepiece FEP-20-60 With Case