Nikon FEP-30W 24x/30x Eyepiece (EDG)
Dedicated eyepiece for use with specific Nikon EDG Fieldscopes. Delivers bright, clear images at 30x magnification when attached to an EDG Fieldscope model with an 85 mm objective lens, and at 24x 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 and interchangeable eyecups for general use and digiscoping with certain Nikon COOLPIX cameras.
Magnification: 30x when attached to the EDG Fieldscope 85 and 24x 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.
Interchangeable soft rubber eyecups: one for general use and one for digiscoping with specific Fieldscope FSB digital camera brackets.
Eye relief: 25.4 mm.
Compatible with specific Fieldscope FEP Eyepiece Mount Adapters.
Designed for Digiscoping with certain Nikon COOLPIX cameras.
| EDG Fieldscope | 85/65 |
| Magnification | 30x/24x |
| Real field of view | 2.4 °/3.0 ° Calculated based on ISO14133. |
| Apparent field of view | 64.3° Calculated based on ISO14133. |
| Field of view at 1000m | 42m/52m |
| Exit Pupil | 2.8/2.7 |
| Relative Brightness | 7.8/7.3 |
| Eye Relief (mm) | 25.4 |
| Length (mm) | 81, without caps, with detachable turn-and-slide eyecup |
| Outer Diameter (mm) | 63, without caps |
| Weight (g) | 63, without caps, with detachable turn-and-slide eyecup |
| Compatibility to FSB series (Digiscoping) |
Yes |

