Maven B.1.2 8x42 specs and field of view
A 420 ft field and 4.9 ft of close focus give the Maven B.1.2 model in 8x42 a wide, near-reaching view against medians of 393 ft and 6.6 ft.
- Field of view
- 420 ftat 1,000 yd
- Eye relief
- 18.1 mm
- Close focus
- 4.9 ft
- Weight
- 26.8 oz
- Exit pupil
- 5.3 mmcalculated
Why pick it
- 420 ft view, wider than the typical 393 ft
- 18.1 mm eye relief, enough for glasses
- Focuses as close as 4.9 ft
Who the B.1.2 8x42 suits
Suits dusk watching, as the exit pupil works out to 5.3 mm, and close subjects at 4.9 ft. The relief behind the eyecup measures 18.1 mm.
At 26.8 oz it is heavier than the 24.2 oz median for 8x42, and it sits in the $1,000 to $2,000 band.
B.1.2 8x42 or another model: the best binoculars by maker figures shows how the popular ones differ. B.1.2 8x42 is one of 75 models in the 8x42 binoculars comparison. Maven lists it in the $1,000 to $2,000 price band, alongside the models in best binoculars over $1,000.
B.1.2 8x42 specifications
B.1.2 8x42 figures as Maven prints them; rows marked * are calculated from the 8x42 size.
| Magnification | 8x |
|---|---|
| Objective lens | 42 mm |
| Prism type | Roof |
| Field of view | 420 ft at 1,000 yd (140 m at 1,000 m) |
| Angular field of view | 8° |
| Apparent field of view | 64° |
| Eye relief | 18.1 mm |
| Close focus | 4.9 ft (1.5 m) |
| Eye spacing range | 56 to 74 mm |
| Weight | 26.8 oz (760 g) |
| Length | 5.7 in (145 mm) |
| Width | 5.2 in (132 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 | 5.3 mm * |
| Twilight factor | 18.3 * |
| Relative brightness | 27.6 * |
* Calculated from the size, not printed by the maker.
B.1.2 8x42 against other 8x42 binoculars
B.1.2 8x42 shows 420 ft at 1,000 yd, at or above the 393 ft median of the 75 8x42 models in the chart. At 26.8 oz it is heavier than the 24.2 oz median for the size.
B.1.2 8x42 and its nearest rivals
B.1.2 8x42 next to the 8x42 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.1.2 8x42 | 420 ft | 18.1 mm | 4.9 ft | 26.8 oz | 5.3 mm | $1,000 to $2,000 | |
| Nikon Monarch HG 8x42 | 435 ft | 17.8 mm | 6.6 ft | 23.5 oz | 5.3 mm | $1,000 to $2,000 | Check price on Amazon |
| Opticron Aurora BGA VHD 8x42 | 423 ft | 20 mm | 6.2 ft | 25.2 oz | 5.3 mm | $1,000 to $2,000 | |
| Leupold BX-5 Santiam HD 8x42 | 377 ft | 18.5 mm | 5 ft | 23.6 oz | 5.3 mm | $1,000 to $2,000 | Check price on Amazon |
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Other sizes of the B.1.2
Maven makes the B.1.2 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 |
|---|---|---|---|---|---|---|
| Maven B.1.2 8x42 | 8x42 | 420 ft | 18.1 mm | 4.9 ft | 26.8 oz | 5.3 mm |
| Maven B.1.2 10x42 | 10x42 | 347 ft | 17.8 mm | 4.9 ft | 26.8 oz | 4.2 mm |
Maven binoculars
B.1.2 8x42 questions
B.1.2 8x42: does it work with glasses?
B.1.2 8x42 has 18.1 mm of eye relief, which meets the 16 mm the RSPB advises for people who wear glasses.
B.1.2 8x42: what does 8x42 mean?
B.1.2 8x42 magnifies 8 times through 42 mm front lenses, which works out to an exit pupil of 5.3 mm, the width of the beam of light that reaches each eye.
B.1.2 8x42: how wide is the view?
B.1.2 8x42 shows a view 420 ft wide at 1,000 yd, at or above the 393 ft median of the 75 8x42 models in the chart.
B.1.2 8x42: can it go on a tripod?
B.1.2 8x42 is tripod adaptable according to Maven, so it accepts a binocular tripod adapter.