Maven B.7 8x25 specs and field of view
Weight of 12.4 oz is the draw of the Maven B.7 8x25, though the median for the size is 10.9 oz. Its 356 ft view is close to the 357 ft median.
- Field of view
- 356 ftat 1,000 yd
- Eye relief
- 15 mm
- Close focus
- 9.8 ft
- Weight
- 12.4 oz
- Exit pupil
- 3.1 mmcalculated
Why pick it
- Waterproof
- ED glass
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Who the B.7 8x25 suits
Suits travel and pocket carry, uses the maker names along with hunting and birding. The a 15 mm eye relief is level with the size median, and the eye spacing range runs 38 to 73 mm.
Close focus is 9.8 ft and the exit pupil works out to 3.1 mm, so dusk and near subjects suffer. It is not tripod adaptable.
B.7 8x25 aside, the most popular models of all sizes are in our best binoculars comparison. B.7 8x25 is one of 21 models in the 8x25 binoculars comparison. Maven lists it in the $500 to $1,000 price band, alongside the models in best binoculars under $1,000.
B.7 8x25 specifications
B.7 8x25 figures as Maven prints them; rows marked * are calculated from the 8x25 size.
| Magnification | 8x |
|---|---|
| Objective lens | 25 mm |
| Prism type | Roof |
| Field of view | 356 ft at 1,000 yd (119 m at 1,000 m) |
| Angular field of view | 6.8° |
| Apparent field of view | 54.4° |
| Eye relief | 15 mm |
| Close focus | 9.8 ft (3 m) |
| Eye spacing range | 38 to 73 mm |
| Weight | 12.4 oz (352 g) |
| Length | 4.8 in (121 mm) |
| Width | 4.6 in (116 mm) |
| Extra-low dispersion glass | Yes |
| Waterproofing | 1m for 30 min. (IPX7) |
| Fog-proofing gas | Nitrogen |
| Tripod adaptable | No |
| Maker list price | $500 to $1,000 |
| Exit pupil | 3.1 mm * |
| Twilight factor | 14.1 * |
| Relative brightness | 9.8 * |
* Calculated from the size, not printed by the maker.
B.7 8x25 against other 8x25 binoculars
B.7 8x25 shows 356 ft at 1,000 yd, below the 357 ft median of the 21 8x25 models in the chart. At 12.4 oz it is heavier than the 10.9 oz median for the size.
B.7 8x25 and its nearest rivals
B.7 8x25 next to the 8x25 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.7 8x25 | 356 ft | 15 mm | 9.8 ft | 12.4 oz | 3.1 mm | $500 to $1,000 | Check price on Amazon |
| Hawke Frontier ED X 8x25 | 421 ft | 16 mm | 6.6 ft | 10.9 oz | 3.1 mm | $200 to $500 | Check price on Amazon |
| Opticron Imagic HD X-Wide 8x25 | 465 ft | 19 mm | 7.9 ft | 13.5 oz | 3.1 mm | $200 to $500 | |
| Hawke Endurance ED Compact 8x25 | 356 ft | 13 mm | 6.6 ft | 10.9 oz | 3.1 mm | $200 to $500 |
Other sizes of the B.7
Maven makes the B.7 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 B.7 8x25 | 8x25 | 356 ft | 15 mm | 9.8 ft | 12.4 oz | 3.1 mm | Check price on Amazon |
| Maven B.7 10x25 | 10x25 | 314 ft | 15 mm | 9.8 ft | 12.4 oz | 2.5 mm | Check price on Amazon |
Maven binoculars
B.7 8x25 questions
B.7 8x25: does it work with glasses?
B.7 8x25 has 15 mm of eye relief, under the 16 mm the RSPB advises for people who wear glasses, so the edge of the view may be cut off with glasses on.
B.7 8x25: what does 8x25 mean?
B.7 8x25 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.
B.7 8x25: how wide is the view?
B.7 8x25 shows a view 356 ft wide at 1,000 yd, below the 357 ft median of the 21 8x25 models in the chart.
B.7 8x25: can it go on a tripod?
Maven does not list the B.7 8x25 as tripod adaptable.