Kowa BD III 8x32 XD specs and field of view
A 4.3 ft close focus and a 461 ft field of view at 1,000 yd mark the BD III 8x32 XD, which places 4th of 28 models of 8x32.
- Field of view
- 461 ftat 1,000 yd
- Eye relief
- 16.5 mm
- Close focus
- 4.3 ft
- Weight
- 18.5 oz
- Exit pupil
- 4 mmcalculated
Why pick it
- 461 ft view, wider than the typical 408 ft
- 16.5 mm eye relief, enough for glasses
- Focuses as close as 4.3 ft
Who the BD III 8x32 XD suits
Close focus of 4.3 ft, shorter than the 6.5 ft median, suits near subjects, and 16.5 mm of eye relief suits eyeglass wearers. A calculated 4 mm exit pupil covers daylight.
At 18.5 oz it matches the 18.5 oz median weight for its size.
BD III 8x32 XD can be set against the most popular models of every size in the best binoculars list. BD III 8x32 XD is one of 28 models in the 8x32 binoculars comparison.
BD III 8x32 XD specifications
BD III 8x32 XD figures as Kowa prints them; rows marked * are calculated from the 8x32 size.
| Magnification | 8x |
|---|---|
| Objective lens | 32 mm |
| Field of view | 461 ft at 1,000 yd (154 m at 1,000 m) |
| Angular field of view | 8.7° |
| Apparent field of view | 70° * |
| Eye relief | 16.5 mm |
| Close focus | 4.3 ft (1.3 m) |
| Weight | 18.5 oz (524 g) |
| Length | 1.9 in (48 mm) |
| Width | 4.8 in (122 mm) |
| Extra-low dispersion glass | Yes |
| Waterproofing | Waterproof, nitrogen filled |
| Fog-proofing gas | Nitrogen |
| Exit pupil | 4 mm * |
| Twilight factor | 16 * |
| Relative brightness | 16 * |
* Calculated from the size, not printed by the maker.
BD III 8x32 XD against other 8x32 binoculars
BD III 8x32 XD shows 461 ft at 1,000 yd, at or above the 408 ft median of the 28 8x32 models in the chart. At 18.5 oz it is at or under the 18.5 oz median weight for the size.
BD III 8x32 XD and its nearest rivals
BD III 8x32 XD next to the 8x32 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 |
|---|---|---|---|---|---|---|---|
| Kowa BD III 8x32 XD | 461 ft | 16.5 mm | 4.3 ft | 18.5 oz | 4 mm | ||
| ZEISS Terra ED 8x32 | 405 ft | 16.5 mm | 5.3 ft | 18 oz | 4 mm | Check price on Amazon | |
| ZEISS Victory SF 8x32 | 465 ft | 19 mm | 6.4 ft | 21.2 oz | 4 mm | Check price on Amazon | |
| ZEISS Conquest HDX 8x32 | 420 ft | 16.5 mm | 4.9 ft | 21.9 oz | 4 mm | Check price on Amazon |
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Other sizes of the BD III-XD
Kowa makes the BD III-XD in 7 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 |
|---|---|---|---|---|---|---|
| Kowa BD III 8x32 XD | 8x32 | 461 ft | 16.5 mm | 4.3 ft | 18.5 oz | 4 mm |
| Kowa BD III 6.5x32 XD | 6.5x32 | 525 ft | 17 mm | 4.3 ft | 18.3 oz | 4.9 mm |
| Kowa BD III 10x32 XD | 10x32 | 351 ft | 15 mm | 5.9 ft | 17.8 oz | 3.2 mm |
| Kowa BD III 8x42 XD | 8x42 | 429 ft | 17.2 mm | 5.9 ft | 21.3 oz | 5.3 mm |
| Kowa BD III 10x42 XD | 10x42 | 378 ft | 16.5 mm | 5.9 ft | 21.5 oz | 4.2 mm |
| Kowa BD III 10x50 XD | 10x50 | 346 ft | 17 mm | 9.8 ft | 25.5 oz | 5 mm |
| Kowa BD III 12x50 XD | 12x50 | 303 ft | 17.5 mm | 9.8 ft | 25.8 oz | 4.2 mm |
Kowa binoculars
BD III 8x32 XD questions
BD III 8x32 XD: does it work with glasses?
BD III 8x32 XD has 16.5 mm of eye relief, which meets the 16 mm the RSPB advises for people who wear glasses.
BD III 8x32 XD: what does 8x32 mean?
BD III 8x32 XD magnifies 8 times through 32 mm front lenses, which works out to an exit pupil of 4 mm, the width of the beam of light that reaches each eye.
BD III 8x32 XD: how wide is the view?
BD III 8x32 XD shows a view 461 ft wide at 1,000 yd, at or above the 408 ft median of the 28 8x32 models in the chart.