Maven B.3 6x30 specs and field of view
The Maven B.3 6x30 has a 446 ft field that spans a wide 8.5 degrees, and its exit pupil works out to 5 mm.
- Field of view
- 446 ftat 1,000 yd
- Eye relief
- 18.3 mm
- Close focus
- 8.2 ft
- Weight
- 16.1 oz
- Exit pupil
- 5 mmcalculated
Why pick it
- 18.3 mm eye relief, enough for glasses
- Focuses as close as 8.2 ft
- Waterproof
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Who the B.3 6x30 suits
Suits wide scanning and dusk use, thanks to the 8.5 degree field and 5 mm exit pupil. The 18.3 mm eye relief goes with a 16.1 oz body.
The twilight factor works out to 13.4, which is modest at 6x30, and close focus is 8.2 ft.
B.3 6x30 aside, the most popular models of all sizes are in our best binoculars comparison. Maven lists it in the $500 to $1,000 price band, alongside the models in best binoculars under $1,000.
B.3 6x30 specifications
B.3 6x30 figures as Maven prints them; rows marked * are calculated from the 6x30 size.
| Magnification | 6x |
|---|---|
| Objective lens | 30 mm |
| Prism type | Roof |
| Field of view | 446 ft at 1,000 yd (149 m at 1,000 m) |
| Angular field of view | 8.5° |
| Apparent field of view | 51° |
| Eye relief | 18.3 mm |
| Close focus | 8.2 ft (2.5 m) |
| Eye spacing range | 56 to 73 mm |
| Weight | 16.1 oz (456 g) |
| Length | 4.6 in (117 mm) |
| Width | 4.7 in (119 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 | 5 mm * |
| Twilight factor | 13.4 * |
| Relative brightness | 25 * |
* Calculated from the size, not printed by the maker.
Other sizes of the B.3
Maven makes the B.3 in 3 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.3 6x30 | 6x30 | 446 ft | 18.3 mm | 8.2 ft | 16.1 oz | 5 mm | Check price on Amazon |
| Maven B.3 8x30 | 8x30 | 430 ft | 15.1 mm | 8.2 ft | 16.6 oz | 3.8 mm | Check price on Amazon |
| Maven B.3 10x30 | 10x30 | 341 ft | 15.3 mm | 8.2 ft | 16.8 oz | 3 mm | Check price on Amazon |
Maven binoculars
B.3 6x30 questions
B.3 6x30: does it work with glasses?
B.3 6x30 has 18.3 mm of eye relief, which meets the 16 mm the RSPB advises for people who wear glasses.
B.3 6x30: what does 6x30 mean?
B.3 6x30 magnifies 6 times through 30 mm front lenses, which works out to an exit pupil of 5 mm, the width of the beam of light that reaches each eye.
B.3 6x30: can it go on a tripod?
B.3 6x30 is tripod adaptable according to Maven, so it accepts a binocular tripod adapter.