Vortex Diamondback HD 15x56 specs and field of view
The Diamondback HD 15x56 has a 230 ft field of view at place 8 of 11 among 15x56 models, with a median of 234 ft.
- Field of view
- 230 ftat 1,000 yd
- Eye relief
- 15.6 mm
- Close focus
- 14 ft
- Weight
- 34.8 oz
- Exit pupil
- 3.7 mmcalculated
Why pick it
- Lightest of the 11: 34.8 oz
- Takes a tripod adapter
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Who the Diamondback HD 15x56 suits
Weight of 34.8 oz is well under the 45 oz median for 15x56, which helps on long carries. Eye relief is 15.6 mm.
The calculated exit pupil is only 3.7 mm and close focus is 14 ft, so dusk and near subjects both lose out.
Diamondback HD 15x56 can be set against the most popular models of every size in the best binoculars list. Diamondback HD 15x56 is one of 11 models in the 15x56 binoculars comparison. Vortex lists it in the $200 to $500 price band, alongside the models in best binoculars under $500.
Diamondback HD 15x56 specifications
Diamondback HD 15x56 figures as Vortex prints them; rows marked * are calculated from the 15x56 size.
| Magnification | 15x |
|---|---|
| Objective lens | 56 mm |
| Field of view | 230 ft at 1,000 yd (77 m at 1,000 m) |
| Angular field of view | 4.4° |
| Apparent field of view | 66° * |
| Eye relief | 15.6 mm |
| Close focus | 14 ft (4.3 m) |
| Eye spacing range | 59 to 76 mm |
| Weight | 34.8 oz (987 g) |
| Length | 7.1 in (180 mm) |
| Width | 5.8 in (147 mm) |
| Fog-proofing gas | Argon |
| Tripod adaptable | Yes |
| Focus system | Center focus |
| Maker list price | $200 to $500 |
| Exit pupil | 3.7 mm * |
| Twilight factor | 29 * |
| Relative brightness | 13.9 * |
* Calculated from the size, not printed by the maker.
Diamondback HD 15x56 against other 15x56 binoculars
Diamondback HD 15x56 shows 230 ft at 1,000 yd, below the 234 ft median of the 11 15x56 models in the chart. At 34.8 oz it is at or under the 45 oz median weight for the size.
Diamondback HD 15x56 and its nearest rivals
Diamondback HD 15x56 next to the 15x56 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 |
|---|---|---|---|---|---|---|---|
| Vortex Diamondback HD 15x56 | 230 ft | 15.6 mm | 14 ft | 34.8 oz | 3.7 mm | $200 to $500 | Check price on Amazon |
| Maven C.4 15x56 | 215 ft | 17.4 mm | 16.4 ft | 45.1 oz | 3.7 mm | $500 to $1,000 | Check price on Amazon |
| Athlon Cronus G2 UHD 15x56 | 235 ft | 18.5 mm | 13.1 ft | 45.2 oz | 3.7 mm | $500 to $1,000 | Check price on Amazon |
| Bushnell Match Pro ED 15x56 | 236 ft | 18.5 mm | 13 ft | 52 oz | 3.7 mm | $500 to $1,000 |
Other sizes of the Diamondback HD
Vortex makes the Diamondback HD in 9 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 |
|---|---|---|---|---|---|---|---|
| Vortex Diamondback HD 15x56 | 15x56 | 230 ft | 15.6 mm | 14 ft | 34.8 oz | 3.7 mm | Check price on Amazon |
| Vortex Diamondback HD 8x28 | 8x28 | 332 ft | 18 mm | 6 ft | 13.7 oz | 3.5 mm | Check price on Amazon |
| Vortex Diamondback HD 10x28 | 10x28 | 273 ft | 16 mm | 6 ft | 13.3 oz | 2.8 mm | Check price on Amazon |
| Vortex Diamondback HD 8x32 | 8x32 | 426 ft | 16 mm | 5 ft | 15.9 oz | 4 mm | Check price on Amazon |
| Vortex Diamondback HD 10x32 | 10x32 | 340 ft | 14 mm | 6 ft | 16 oz | 3.2 mm | Check price on Amazon |
| Vortex Diamondback HD 8x42 | 8x42 | 393 ft | 17 mm | 5 ft | 21.8 oz | 5.3 mm | Check price on Amazon |
| Vortex Diamondback HD 10x42 | 10x42 | 330 ft | 15 mm | 5 ft | 21.3 oz | 4.2 mm | Check price on Amazon |
| Vortex Diamondback HD 10x50 | 10x50 | 315 ft | 17 mm | 6 ft | 30 oz | 5 mm | Check price on Amazon |
| Vortex Diamondback HD 12x50 | 12x50 | 271 ft | 14 mm | 6 ft | 28.9 oz | 4.2 mm | Check price on Amazon |
Vortex binoculars
Diamondback HD 15x56 questions
Diamondback HD 15x56: does it work with glasses?
Diamondback HD 15x56 has 15.6 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.
Diamondback HD 15x56: what does 15x56 mean?
Diamondback HD 15x56 magnifies 15 times through 56 mm front lenses, which works out to an exit pupil of 3.7 mm, the width of the beam of light that reaches each eye.
Diamondback HD 15x56: how wide is the view?
Diamondback HD 15x56 shows a view 230 ft wide at 1,000 yd, below the 234 ft median of the 11 15x56 models in the chart.
Diamondback HD 15x56: can it go on a tripod?
Diamondback HD 15x56 is tripod adaptable according to Vortex, so it accepts a binocular tripod adapter.