Dedicated eyepiece for use with specific EDG series Fieldscopes. Delivers bright, clear images at 25x magnification when attached to an EDG Fieldscope model with an 85 mm objective lens, and at 20x 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. Boasts an exceptionally long eye relief, which makes this eyepiece the ideal choice for sketching or if you wear glasses.
Magnification: 25x when attached to the EDG Fieldscope 85 and 20x when attached to the EDG Fieldscope 65.
Bayonet mount with lock for quick and secure attachment.
Multilayer coated lenses reduce internal reflections and flare to deliver superior light transmission for sharp, clear views.
Aspherical lens elements for bright, clear images with well-balanced color and minimal distortion.
Waterproof (up to 2 m for 10 minutes) and fog-proof, with O-ring seals and nitrogen gas.
Extra-long eye relief: 32.3mm.
Compatible with specific Fieldscope FEP Eyepiece Mount Adapters.
Designed for Digiscoping with certain Nikon COOLPIX cameras.
With EDG 85 series: 25
With EDG 65 series: 20
Angular field of view (Real/degree)
With EDG 85 series: 2.4
With EDG 65 series: 3.0
Angular field of view (Apparent/degree)1
With EDG 85 series: 55.3
With EDG 65 series: 55.3
Field of view at 1,000 m (m)
With EDG 85 series: 42
With EDG 65 series: 52
Exit pupil (mm)
With EDG 85 series: 3.4
With EDG 65 series: 3.3
With EDG 85 series: 11.6
With EDG 65 series: 10.9
Eye relief (mm)
With EDG 85 series: 32.3
With EDG 65 series: 32.3
1. Apparent field of view is calculated based on the ISO 14132-1:2002 standard.