Nikon Sportstar Zoom 8-24x25 specs and field of view
The Sportstar Zoom 8-24x25 runs from 8 to 24 power on 25 mm lenses. At the printed setting the field of view is 241 ft, and the weight is 10.8 oz.
- Field of view
- 241 ftat 1,000 yd
- Eye relief
- 13 mm
- Close focus
- 13.1 ft
- Weight
- 10.8 oz
- Exit pupil
- 3.1 mmcalculated
Who the Sportstar Zoom 8-24x25 suits
A pocket-size zoom for varied distances suits it, with 13 mm eye relief and a 13.1 ft close focus. The maker list price band is $100 to $200.
The 4.6 degree view is narrow for 25 mm lenses, and the porro design with a calculated 3.1 mm exit pupil gives limited dusk help.
Sportstar Zoom 8-24x25 or another model: the best binoculars by maker figures shows how the popular ones differ. Nikon lists it in the $100 to $200 price band, alongside the models in best binoculars under $200.
Sportstar Zoom 8-24x25 specifications
Sportstar Zoom 8-24x25 figures as Nikon prints them; rows marked * are calculated from the 8-24x25 size.
| Magnification | 8x to 24x |
|---|---|
| Objective lens | 25 mm |
| Prism type | Porro |
| Field of view | 241 ft at 1,000 yd (80 m at 1,000 m) |
| Angular field of view | 4.6° |
| Apparent field of view | 35.6° |
| Eye relief | 13 mm |
| Close focus | 13.1 ft (4 m) |
| Eye spacing range | 56 to 72 mm |
| Weight | 10.8 oz (305 g) |
| Length | 4.8 in (123 mm) |
| Width | 4.3 in (109 mm) |
| Focus system | Center focus |
| Maker list price | $100 to $200 |
| Exit pupil | 3.1 mm * |
| Twilight factor | 14.1 * |
| Relative brightness | 9.8 * |
* Calculated from the size, not printed by the maker.
Nikon binoculars
Sportstar Zoom 8-24x25 questions
Sportstar Zoom 8-24x25: does it work with glasses?
Sportstar Zoom 8-24x25 has 13 mm of eye relief, well short of the 16 mm the RSPB advises for people who wear glasses.
Sportstar Zoom 8-24x25: what does 8-24x25 mean?
Sportstar Zoom 8-24x25 magnifies 8 times through 25 mm front lenses, which works out to an exit pupil of 3.1 mm, the width of the beam of light that reaches each eye.