Maven B.3 8x30 specs and field of view
At 16.6 oz, the Maven B.3 8x30 sits under the 17 oz median for its size, and its 430 ft view edges past the 428 ft median.
- Field of view
- 430 ftat 1,000 yd
- Eye relief
- 15.1 mm
- Close focus
- 8.2 ft
- Weight
- 16.6 oz
- Exit pupil
- 3.8 mmcalculated
Why pick it
- 430 ft view, wider than the typical 428 ft
- 16.6 oz, lighter than the typical 17 oz
- Focuses as close as 8.2 ft
Binocular Chart earns a commission from qualifying Amazon purchases made through these buttons.
Who the B.3 8x30 suits
Suits long carries and travel, uses the maker names along with hunting and birding. The field works out to 8.2 degrees, which gives room for scanning.
Its exit pupil works out to 3.8 mm and close focus is 8.2 ft, so dim light and near subjects are not its strength.
B.3 8x30 aside, the most popular models of all sizes are in our best binoculars comparison. B.3 8x30 is one of 10 models in the 8x30 binoculars comparison. Maven lists it in the $500 to $1,000 price band, alongside the models in best binoculars under $1,000.
B.3 8x30 specifications
B.3 8x30 figures as Maven prints them; rows marked * are calculated from the 8x30 size.
| Magnification | 8x |
|---|---|
| Objective lens | 30 mm |
| Prism type | Roof |
| Field of view | 430 ft at 1,000 yd (143 m at 1,000 m) |
| Angular field of view | 8.2° |
| Apparent field of view | 65.5° |
| Eye relief | 15.1 mm |
| Close focus | 8.2 ft (2.5 m) |
| Eye spacing range | 56 to 73 mm |
| Weight | 16.6 oz (471 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 | 3.8 mm * |
| Twilight factor | 15.5 * |
| Relative brightness | 14.1 * |
* Calculated from the size, not printed by the maker.
B.3 8x30 against other 8x30 binoculars
B.3 8x30 shows 430 ft at 1,000 yd, at or above the 428 ft median of the 10 8x30 models in the chart. At 16.6 oz it is at or under the 17 oz median weight for the size.
B.3 8x30 and its nearest rivals
B.3 8x30 next to the 8x30 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.3 8x30 | 430 ft | 15.1 mm | 8.2 ft | 16.6 oz | 3.8 mm | $500 to $1,000 | Check price on Amazon |
| Nikon Monarch M7 8x30 | 435 ft | 15.1 mm | 6.6 ft | 16.4 oz | 3.8 mm | $500 to $1,000 | Check price on Amazon |
| Steiner Predator AF 8x30 | 360 ft | 15 mm | 10 ft | 19 oz | 3.8 mm | $200 to $500 | |
| Steiner Military-Marine 8x30 | 390 ft | 15 mm | 66 ft | 17.1 oz | 3.8 mm | $200 to $500 | Check price on Amazon |
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 8x30 | 8x30 | 430 ft | 15.1 mm | 8.2 ft | 16.6 oz | 3.8 mm | Check price on 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 10x30 | 10x30 | 341 ft | 15.3 mm | 8.2 ft | 16.8 oz | 3 mm | Check price on Amazon |
Lists that include the B.3 8x30
Maven binoculars
B.3 8x30 questions
B.3 8x30: does it work with glasses?
B.3 8x30 has 15.1 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.3 8x30: what does 8x30 mean?
B.3 8x30 magnifies 8 times through 30 mm front lenses, which works out to an exit pupil of 3.8 mm, the width of the beam of light that reaches each eye.
B.3 8x30: how wide is the view?
B.3 8x30 shows a view 430 ft wide at 1,000 yd, at or above the 428 ft median of the 10 8x30 models in the chart.
B.3 8x30: can it go on a tripod?
B.3 8x30 is tripod adaptable according to Maven, so it accepts a binocular tripod adapter.