Nikon Aculon W10 8x21 specs and field of view
Weighing 7.6 oz, the Aculon W10 has a 330 ft field and a waterproof body rated to 1 m for 10 minutes.
- Field of view
- 330 ftat 1,000 yd
- Eye relief
- 10.3 mm
- Close focus
- 9.8 ft
- Weight
- 7.6 oz
- Exit pupil
- 2.6 mmcalculated
Why pick it
- Waterproof
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Who the Aculon W10 8x21 suits
The 330 ft field, 9.8 ft close focus and 7.6 oz weight suit pocket use in damp weather. The calculated exit pupil is 2.6 mm.
Eye relief is 10.3 mm, short for glasses, and the 21 mm lenses limit light at dusk.
Aculon W10 8x21 is one choice among many, and the top binoculars compared covers the most popular ones.
Aculon W10 8x21 specifications
Aculon W10 8x21 figures as Nikon prints them; rows marked * are calculated from the 8x21 size.
| Magnification | 8x |
|---|---|
| Objective lens | 21 mm |
| Prism type | Roof |
| Field of view | 330 ft at 1,000 yd (110 m at 1,000 m) |
| Angular field of view | 6.3° |
| Apparent field of view | 47.5° |
| Eye relief | 10.3 mm |
| Close focus | 9.8 ft (3 m) |
| Eye spacing range | 56 to 72 mm |
| Weight | 7.6 oz (215 g) |
| Length | 3.4 in (87 mm) |
| Width | 4.3 in (110 mm) |
| Waterproofing | Up to 1 m / 3.3 ft for 10 minutes |
| Fog-proofing gas | Nitrogen |
| Focus system | Center focus |
| Exit pupil | 2.6 mm * |
| Twilight factor | 13 * |
| Relative brightness | 6.9 * |
* Calculated from the size, not printed by the maker.
Aculon W10 8x21 against other 8x21 binoculars
Aculon W10 8x21 shows 330 ft at 1,000 yd, below the 354 ft median of the 4 8x21 models in the chart. At 7.6 oz it is heavier than the 7.4 oz median for the size.
Aculon W10 8x21 and its nearest rivals
Aculon W10 8x21 next to the 8x21 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 |
|---|---|---|---|---|---|---|---|
| Nikon Aculon W10 8x21 | 330 ft | 10.3 mm | 9.8 ft | 7.6 oz | 2.6 mm | Check price on Amazon | |
| Bushnell PowerView 2 8x21 Compact | 378 ft | 10 mm | 21 ft | 7.2 oz | 2.6 mm | Check price on Amazon | |
| Celestron UpClose G2 8x21 | 378 ft | 11 mm | 10 ft | 8 oz | 2.6 mm | under $100 | Check price on Amazon |
| Nikon Aculon T02 8x21 | 330 ft | 10.3 mm | 9.8 ft | 6.9 oz | 2.6 mm | under $100 | Check price on Amazon |
Other sizes of the Aculon W10
Nikon makes the Aculon W10 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 | Amazon |
|---|---|---|---|---|---|---|---|
| Nikon Aculon W10 8x21 | 8x21 | 330 ft | 10.3 mm | 9.8 ft | 7.6 oz | 2.6 mm | Check price on Amazon |
| Nikon Aculon W10 10x21 | 10x21 | 261 ft | 8.3 mm | 9.8 ft | 7.6 oz | 2.1 mm |
Nikon binoculars
Aculon W10 8x21 questions
Aculon W10 8x21: does it work with glasses?
Aculon W10 8x21 has 10.3 mm of eye relief, well short of the 16 mm the RSPB advises for people who wear glasses.
Aculon W10 8x21: what does 8x21 mean?
Aculon W10 8x21 magnifies 8 times through 21 mm front lenses, which works out to an exit pupil of 2.6 mm, the width of the beam of light that reaches each eye.