Nikon Action EX 7x50 CF specs and field of view
A calculated exit pupil of 7.1 mm and relative brightness of 51 mark the Action EX 7x50 CF as a dusk glass. The field of view is 336 ft, and the weight is 35.3 oz.
- Field of view
- 336 ftat 1,000 yd
- Eye relief
- 17.1 mm
- Close focus
- 23 ft
- Weight
- 35.3 oz
- Exit pupil
- 7.1 mmcalculated
Why pick it
- 35.3 oz, lighter than the typical 36.8 oz
- 17.1 mm eye relief, enough for glasses
- Waterproof
Who the Action EX 7x50 CF suits
Low light suits it, and 17.1 mm eye relief serves eyeglass wearers. The maker rates it for 1 m / 3.3 ft for 5 minutes.
The 23 ft close focus is shorter than the 35 ft size median, but the field of view ranks 19th of 24, under the 367 ft median.
Action EX 7x50 CF can be set against the most popular models of every size in the best binoculars list. Action EX 7x50 CF is one of 24 models in the 7x50 binoculars comparison.
Action EX 7x50 CF specifications
Action EX 7x50 CF figures as Nikon prints them; rows marked * are calculated from the 7x50 size.
| Magnification | 7x |
|---|---|
| Objective lens | 50 mm |
| Prism type | Porro |
| Field of view | 336 ft at 1,000 yd (112 m at 1,000 m) |
| Angular field of view | 6.4° |
| Apparent field of view | 42.7° |
| Eye relief | 17.1 mm |
| Close focus | 23 ft (7 m) |
| Eye spacing range | 56 to 72 mm |
| Weight | 35.3 oz (1,000 g) |
| Length | 7 in (179 mm) |
| Width | 7.7 in (196 mm) |
| Waterproofing | Up to 1 m / 3.3 ft for 5 minutes |
| Fog-proofing gas | Nitrogen |
| Tripod adaptable | Yes |
| Focus system | Center focus |
| Exit pupil | 7.1 mm * |
| Twilight factor | 18.7 * |
| Relative brightness | 51 * |
* Calculated from the size, not printed by the maker.
Action EX 7x50 CF against other 7x50 binoculars
Action EX 7x50 CF shows 336 ft at 1,000 yd, below the 367 ft median of the 24 7x50 models in the chart. At 35.3 oz it is at or under the 36.8 oz median weight for the size.
Action EX 7x50 CF and its nearest rivals
Action EX 7x50 CF next to the 7x50 models closest to it in maker list price, with the best figure in each column in bold.
| Model | Field of view | Eye relief | Close focus | Weight | Exit pupil | Maker list price | Amazon |
|---|---|---|---|---|---|---|---|
| Nikon Action EX 7x50 CF | 336 ft | 17.1 mm | 23 ft | 35.3 oz | 7.1 mm | ||
| Bushnell Marine 7x50 | 267 ft | 18 mm | 35 ft | 37 oz | 7.1 mm | Check price on Amazon | |
| Bushnell Marine 7x50 with rangefinding reticle and compass | 267 ft | 18 mm | 35 ft | 37 oz | 7.1 mm | Check price on Amazon | |
| Bushnell H2O 7x50 | 340 ft | 27 mm | 24 ft | 37.5 oz | 7.1 mm |
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Other sizes of the Action EX
Nikon makes the Action EX in 6 sizes; a larger front lens adds brightness and weight, and more magnification narrows the view.
| Model | Size | Field of view | Eye relief | Close focus | Weight | Exit pupil |
|---|---|---|---|---|---|---|
| Nikon Action EX 7x50 CF | 7x50 | 336 ft | 17.1 mm | 23 ft | 35.3 oz | 7.1 mm |
| Nikon Action EX 7x35 CF | 7x35 | 489 ft | 17.3 mm | 16.4 ft | 28.2 oz | 5 mm |
| Nikon Action EX 8x40 CF | 8x40 | 429 ft | 17.2 mm | 16.4 ft | 30.2 oz | 5 mm |
| Nikon Action EX 10x50 CF | 10x50 | 342 ft | 17.2 mm | 23 ft | 36 oz | 5 mm |
| Nikon Action EX 12x50 CF | 12x50 | 288 ft | 16.1 mm | 23 ft | 36.9 oz | 4.2 mm |
| Nikon Action EX 16x50 CF | 16x50 | 183 ft | 17.8 mm | 23 ft | 36.7 oz | 3.1 mm |
Lists that include the Action EX 7x50 CF
Nikon binoculars
Action EX 7x50 CF questions
Action EX 7x50 CF: does it work with glasses?
Action EX 7x50 CF has 17.1 mm of eye relief, which meets the 16 mm the RSPB advises for people who wear glasses.
Action EX 7x50 CF: what does 7x50 mean?
Action EX 7x50 CF magnifies 7 times through 50 mm front lenses, which works out to an exit pupil of 7.1 mm, the width of the beam of light that reaches each eye.
Action EX 7x50 CF: how wide is the view?
Action EX 7x50 CF shows a view 336 ft wide at 1,000 yd, below the 367 ft median of the 24 7x50 models in the chart.
Action EX 7x50 CF: can it go on a tripod?
Action EX 7x50 CF is tripod adaptable according to Nikon, so it accepts a binocular tripod adapter.