Leica Trinovid 10x25 BCA specs and field of view
At 9 oz the Trinovid 10x25 BCA is lighter than the 11.1 oz median for 10x25 models. The 273 ft field sits at place 22 of 26, under the 297 ft median.
- Field of view
- 273 ftat 1,000 yd
- Eye relief
- 14.6 mm
- Close focus
- 16.5 ft
- Weight
- 9 oz
- Exit pupil
- 2.5 mmcalculated
Why pick it
- Lightest of the 26: 9 oz
- Waterproof
Who the Trinovid 10x25 BCA suits
Light carries suit the 9 oz weight, and eye spacing runs from 32 to 74 mm for narrow faces. Eye relief is 14.6 mm.
Close focus is 16.5 ft against a 9.8 ft median, and the housing is splash-proof rather than watertight.
Trinovid 10x25 BCA or another model: the best binoculars by maker figures shows how the popular ones differ. Trinovid 10x25 BCA is one of 26 models in the 10x25 binoculars comparison.
Trinovid 10x25 BCA specifications
Trinovid 10x25 BCA figures as Leica prints them; rows marked * are calculated from the 10x25 size.
| Magnification | 10x |
|---|---|
| Objective lens | 25 mm |
| Prism type | Roof |
| Field of view | 273 ft at 1,000 yd (90 m at 1,000 m) |
| Angular field of view | 5.1° |
| Apparent field of view | 51° * |
| Eye relief | 14.6 mm |
| Close focus | 16.5 ft (5 m) |
| Eye spacing range | 32 to 74 mm |
| Weight | 9 oz (255 g) |
| Length | 4.3 in (109 mm) |
| Width | 3.6 in (92 mm) |
| Waterproofing | Splash-proof |
| Focus system | Center focus |
| Exit pupil | 2.5 mm * |
| Twilight factor | 15.8 * |
| Relative brightness | 6.3 * |
* Calculated from the size, not printed by the maker.
Trinovid 10x25 BCA against other 10x25 binoculars
Trinovid 10x25 BCA shows 273 ft at 1,000 yd, below the 297 ft median of the 26 10x25 models in the chart. At 9 oz it is at or under the 11.1 oz median weight for the size.
Trinovid 10x25 BCA and its nearest rivals
Trinovid 10x25 BCA next to the 10x25 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 |
|---|---|---|---|---|---|---|
| Leica Trinovid 10x25 BCA | 273 ft | 14.6 mm | 16.5 ft | 9 oz | 2.5 mm | |
| Bushnell PowerView 2 10x25 Compact | 300 ft | 10 mm | 15 ft | 9.2 oz | 2.5 mm | |
| Bushnell H2O 10x25 Compact | 320 ft | 10 mm | 17 ft | 10.7 oz | 2.5 mm | |
| ZEISS Victory Pocket 10x25 | 315 ft | 16.5 mm | 6.2 ft | 10.2 oz | 2.5 mm |
Other sizes of the Trinovid BCA
Leica makes the Trinovid BCA 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 |
|---|---|---|---|---|---|---|
| Leica Trinovid 10x25 BCA | 10x25 | 273 ft | 14.6 mm | 16.5 ft | 9 oz | 2.5 mm |
| Leica Trinovid 8x20 BCA | 8x20 | 340 ft | 14 mm | 9.8 ft | 8.3 oz | 2.5 mm |
Leica binoculars
Trinovid 10x25 BCA questions
Trinovid 10x25 BCA: does it work with glasses?
Trinovid 10x25 BCA has 14.6 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.
Trinovid 10x25 BCA: what does 10x25 mean?
Trinovid 10x25 BCA magnifies 10 times through 25 mm front lenses, which works out to an exit pupil of 2.5 mm, the width of the beam of light that reaches each eye.
Trinovid 10x25 BCA: how wide is the view?
Trinovid 10x25 BCA shows a view 273 ft wide at 1,000 yd, below the 297 ft median of the 26 10x25 models in the chart.