Maven B.5 15x56 specs and field of view
A 236 ft view puts the Maven B.5 model in 15x56 just above the 234 ft median for its size, and close focus of 9.8 ft is shorter than the 13 ft median.
- Field of view
- 236 ftat 1,000 yd
- Eye relief
- 17.8 mm
- Close focus
- 9.8 ft
- Weight
- 45 oz
- Exit pupil
- 3.7 mmcalculated
Why pick it
- 236 ft view, wider than the typical 234 ft
- 17.8 mm eye relief, enough for glasses
- Waterproof
Who the B.5 15x56 suits
Suits long-range glassing from a rest, the use the maker names. The twilight factor works out to 29, and the maker lists it as tripod adaptable for the 45 oz body.
At 45 oz with an exit pupil that works out to 3.7 mm, it is heavy to hold and gathers less light per magnification step.
B.5 15x56 can be set against the most popular models of every size in the best binoculars list. B.5 15x56 is one of 11 models in the 15x56 binoculars comparison. Maven lists it in the $1,000 to $2,000 price band, alongside the models in best binoculars over $1,000.
B.5 15x56 specifications
B.5 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 | 236 ft at 1,000 yd (79 m at 1,000 m) |
| Angular field of view | 4.5° |
| Apparent field of view | 67.5° |
| Eye relief | 17.8 mm |
| Close focus | 9.8 ft (3 m) |
| Eye spacing range | 56 to 75 mm |
| Weight | 45 oz (1,276 g) |
| Length | 8.2 in (208 mm) |
| Width | 6.1 in (155 mm) |
| Extra-low dispersion glass | Yes |
| Waterproofing | 1m for 30 min. (IPX7) |
| Fog-proofing gas | Nitrogen |
| Tripod adaptable | Yes |
| Maker list price | $1,000 to $2,000 |
| Exit pupil | 3.7 mm * |
| Twilight factor | 29 * |
| Relative brightness | 13.9 * |
* Calculated from the size, not printed by the maker.
B.5 15x56 against other 15x56 binoculars
B.5 15x56 shows 236 ft at 1,000 yd, at or above the 234 ft median of the 11 15x56 models in the chart. At 45 oz it is at or under the 45 oz median weight for the size.
B.5 15x56 and its nearest rivals
B.5 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 B.5 15x56 | 236 ft | 17.8 mm | 9.8 ft | 45 oz | 3.7 mm | $1,000 to $2,000 | |
| Leupold BX-5 Santiam HD 15x56 | 231 ft | 18 mm | 9.8 ft | 45 oz | 3.7 mm | $1,000 to $2,000 | Check price on Amazon |
| Burris Signature HD 15x56 | 215 ft | 23 ft | 43 oz | 3.7 mm | $1,000 to $2,000 | ||
| Swarovski SLC 15x56 | 234 ft | 16 mm | 12.8 ft | 42.3 oz | 3.7 mm | over $2,000 | Check price on Amazon |
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Other sizes of the B.5
Maven makes the B.5 in 4 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 |
|---|---|---|---|---|---|---|
| Maven B.5 15x56 | 15x56 | 236 ft | 17.8 mm | 9.8 ft | 45 oz | 3.7 mm |
| Maven B.5 10x56 | 10x56 | 341 ft | 19 mm | 9.8 ft | 45 oz | 5.6 mm |
| Maven B.5 12x56 | 12x56 | 289 ft | 17.4 mm | 9.8 ft | 45 oz | 4.7 mm |
| Maven B.5 18x56 | 18x56 | 194 ft | 18 mm | 9.8 ft | 45 oz | 3.1 mm |
Maven binoculars
B.5 15x56 questions
B.5 15x56: does it work with glasses?
B.5 15x56 has 17.8 mm of eye relief, which meets the 16 mm the RSPB advises for people who wear glasses.
B.5 15x56: what does 15x56 mean?
B.5 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.
B.5 15x56: how wide is the view?
B.5 15x56 shows a view 236 ft wide at 1,000 yd, at or above the 234 ft median of the 11 15x56 models in the chart.
B.5 15x56: can it go on a tripod?
B.5 15x56 is tripod adaptable according to Maven, so it accepts a binocular tripod adapter.