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Nikon 20x/25x DS Digiscoping Eyepiece for RAIII 65mm/82mm
Product Details
Manufacturer code: BDB90176
Dedicated eyepiece with variable magnification designed for digiscoping with RAIII WP series Spotting Scopes and certain COOLPIX cameras. Features a bayonet-type eyepiece mount with locking system for quick and secure connection, and a turn-and-slide eyecup.
- Magnification : 20x when attached to a 65mm-diameter-objective model, and 25x when attached to an 82mm-diameter-objective model
- Angular field of view (Real/degree) : 2.5 when attached to a 65 mm diameter-objective model and 2.0 when attached to an 82 mm diameter-objective model.
- Angular field of view (Apparent/degree) : 47.2 when attached to both a 65 mm or 82 mm diameter-objective model.
- Field of view at 1,000m : Approximately 44 m when attached to a 65 mm diameter-objective model and 35 m when attached to an 82 mm diameter-objective model.
- Exit pupil : 3.3 mm at 16x magnification when attached to a 65 mm diameter-objective model and 4.1 at 20x magnification when attached to an 82 mm diameter-objective model.
- Relative brightness : 10.9 when attached to both a 65 mm or 82 mm diameter-objective model.
- Eye relief : 18.0 mm when attached to both a 65 mm or 82 mm diameter-objective model.
- Weight : 140 g
- Magnification [x] (with RAIII 65): 20
- Magnification [x] (with RAIII 82): 25
- Angular field of view (Real) [degree] (with RAIII 65): 2.5
- Angular field of view (Real) [degree] (with RAIII 82): 2.0
- Angular field of view (Apparent) [degree]: 47.2
- Field of view at 1,000m [m] (Approx.) (with RAIII 65): 44
- Field of view at 1,000m [m] (Approx.) (with RAIII 82): 35
- Exit pupil [mm]: 3.3
- Relative brightness: 10.9
- Eye relief [mm]: 18.0
- Weight [g]: 140
Specification
| Eye Relief | 18.4-16.5 mm |
|---|---|
| Length | 99 mm |
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