Maven C.4 15x56 specs and field of view
A 215 ft field and 17.4 mm eye relief come with 15x power on the Maven C.4 model in 15x56, and close focus is 16.4 ft.
- Field of view
- 215 ftat 1,000 yd
- Eye relief
- 17.4 mm
- Close focus
- 16.4 ft
- Weight
- 45.1 oz
- Exit pupil
- 3.7 mmcalculated
Why pick it
- 17.4 mm eye relief, enough for glasses
- Waterproof
- ED glass
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Who the C.4 15x56 suits
Suits far targets viewed from a rest, the uses of hunting and birding the maker names. The twilight factor works out to 29.
At 45.1 oz, with close focus of 16.4 ft, it is heavy and unsuited to near subjects.
C.4 15x56 can be set against the most popular models of every size in the best binoculars list. C.4 15x56 is one of 11 models in the 15x56 binoculars comparison. Maven lists it in the $500 to $1,000 price band, alongside the models in best binoculars under $1,000.
C.4 15x56 specifications
C.4 15x56 figures as Maven prints them; rows marked * are calculated from the 15x56 size.
| Magnification | 15x |
|---|---|
| Objective lens | 56 mm |
| Prism type | Roof |
| Field of view | 215 ft at 1,000 yd (72 m at 1,000 m) |
| Angular field of view | 4.1° |
| Apparent field of view | 56.5° |
| Eye relief | 17.4 mm |
| Close focus | 16.4 ft (5 m) |
| Eye spacing range | 60 to 75 mm |
| Weight | 45.1 oz (1,279 g) |
| Length | 7.8 in (197 mm) |
| Width | 5.8 in (147 mm) |
| Extra-low dispersion glass | Yes |
| Waterproofing | 1m for 30 min. (IPX7) |
| Fog-proofing gas | Nitrogen |
| Tripod adaptable | Yes |
| Maker list price | $500 to $1,000 |
| Exit pupil | 3.7 mm * |
| Twilight factor | 29 * |
| Relative brightness | 13.9 * |
* Calculated from the size, not printed by the maker.
C.4 15x56 against other 15x56 binoculars
C.4 15x56 shows 215 ft at 1,000 yd, below the 234 ft median of the 11 15x56 models in the chart. At 45.1 oz it is heavier than the 45 oz median for the size.
C.4 15x56 and its nearest rivals
C.4 15x56 next to the 15x56 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 |
|---|---|---|---|---|---|---|---|
| Maven C.4 15x56 | 215 ft | 17.4 mm | 16.4 ft | 45.1 oz | 3.7 mm | $500 to $1,000 | Check price on Amazon |
| Athlon Cronus G2 UHD 15x56 | 235 ft | 18.5 mm | 13.1 ft | 45.2 oz | 3.7 mm | $500 to $1,000 | Check price on Amazon |
| Bushnell Match Pro ED 15x56 | 236 ft | 18.5 mm | 13 ft | 52 oz | 3.7 mm | $500 to $1,000 | |
| Bushnell R7 15x56 | 235 ft | 19 mm | 13 ft | 53.3 oz | 3.7 mm | $500 to $1,000 | Check price on Amazon |
Other sizes of the C.4
Maven makes the C.4 in 2 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 | Amazon |
|---|---|---|---|---|---|---|---|
| Maven C.4 15x56 | 15x56 | 215 ft | 17.4 mm | 16.4 ft | 45.1 oz | 3.7 mm | Check price on Amazon |
| Maven C.4 18x56 | 18x56 | 194 ft | 16.4 mm | 16.4 ft | 44.8 oz | 3.1 mm | Check price on Amazon |
Maven binoculars
C.4 15x56 questions
C.4 15x56: does it work with glasses?
C.4 15x56 has 17.4 mm of eye relief, which meets the 16 mm the RSPB advises for people who wear glasses.
C.4 15x56: what does 15x56 mean?
C.4 15x56 magnifies 15 times through 56 mm front lenses, which works out to an exit pupil of 3.7 mm, the width of the beam of light that reaches each eye.
C.4 15x56: how wide is the view?
C.4 15x56 shows a view 215 ft wide at 1,000 yd, below the 234 ft median of the 11 15x56 models in the chart.
C.4 15x56: can it go on a tripod?
C.4 15x56 is tripod adaptable according to Maven, so it accepts a binocular tripod adapter.