Maven B.3 10x30 specs and field of view
A 341 ft view and 16.8 oz of weight put the Maven B.3 model in 10x30 near the medians of 346 ft and 16.7 oz.
- Field of view
- 341 ftat 1,000 yd
- Eye relief
- 15.3 mm
- Close focus
- 8.2 ft
- Weight
- 16.8 oz
- Exit pupil
- 3 mmcalculated
Why pick it
- Focuses as close as 8.2 ft
- Waterproof
- ED glass
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Who the B.3 10x30 suits
Suits travel and light carry, uses the maker names. The eye relief measures 15.3 mm, and the twilight factor works out to 17.3.
At a calculated 3 mm, the exit pupil leaves dusk views dim, and close focus is 8.2 ft.
B.3 10x30 can be set against the most popular models of every size in the best binoculars list. B.3 10x30 is one of 10 models in the 10x30 binoculars comparison. Maven lists it in the $500 to $1,000 price band, alongside the models in best binoculars under $1,000.
B.3 10x30 specifications
B.3 10x30 figures as Maven prints them; rows marked * are calculated from the 10x30 size.
| Magnification | 10x |
|---|---|
| Objective lens | 30 mm |
| Prism type | Roof |
| Field of view | 341 ft at 1,000 yd (114 m at 1,000 m) |
| Angular field of view | 6.5° |
| Apparent field of view | 65° |
| Eye relief | 15.3 mm |
| Close focus | 8.2 ft (2.5 m) |
| Eye spacing range | 56 to 73 mm |
| Weight | 16.8 oz (476 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 mm * |
| Twilight factor | 17.3 * |
| Relative brightness | 9 * |
* Calculated from the size, not printed by the maker.
B.3 10x30 against other 10x30 binoculars
B.3 10x30 shows 341 ft at 1,000 yd, below the 346 ft median of the 10 10x30 models in the chart. At 16.8 oz it is heavier than the 16.7 oz median for the size.
B.3 10x30 and its nearest rivals
B.3 10x30 next to the 10x30 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 10x30 | 341 ft | 15.3 mm | 8.2 ft | 16.8 oz | 3 mm | $500 to $1,000 | Check price on Amazon |
| Nikon Monarch M7 10x30 | 351 ft | 15.8 mm | 6.6 ft | 16.6 oz | 3 mm | $500 to $1,000 | Check price on Amazon |
| Opticron Imagic IS 10x30 | 270 ft | 15 mm | 9.5 ft | 18.8 oz | 3 mm | $500 to $1,000 | |
| Nikon Monarch HG 10x30 | 362 ft | 15.2 mm | 6.6 ft | 15.9 oz | 3 mm | $1,000 to $2,000 | 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 10x30 | 10x30 | 341 ft | 15.3 mm | 8.2 ft | 16.8 oz | 3 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 8x30 | 8x30 | 430 ft | 15.1 mm | 8.2 ft | 16.6 oz | 3.8 mm | Check price on Amazon |
Maven binoculars
B.3 10x30 questions
B.3 10x30: does it work with glasses?
B.3 10x30 has 15.3 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 10x30: what does 10x30 mean?
B.3 10x30 magnifies 10 times through 30 mm front lenses, which works out to an exit pupil of 3 mm, the width of the beam of light that reaches each eye.
B.3 10x30: how wide is the view?
B.3 10x30 shows a view 341 ft wide at 1,000 yd, below the 346 ft median of the 10 10x30 models in the chart.
B.3 10x30: can it go on a tripod?
B.3 10x30 is tripod adaptable according to Maven, so it accepts a binocular tripod adapter.