Leupold BX-4 Pro Guide HD Gen 2 12x50 specs and field of view
This BX-4 Pro Guide HD Gen 2 shows a 257 ft field at 1,000 yd, 29th of 36 in its size, where the median is 277 ft. Its 29.3 oz sits close to the 29.2 oz median.
- Field of view
- 257 ftat 1,000 yd
- Eye relief
- 16 mm
- Close focus
- 10 ft
- Weight
- 29.3 oz
- Exit pupil
- 4.2 mmcalculated
Why pick it
- 16 mm eye relief, enough for glasses
- Waterproof
- Takes a tripod adapter
Who the BX-4 Pro Guide HD Gen 2 12x50 suits
A 16 mm eye relief suits eyeglass wearers, and a 10 ft close focus matches the size median. Long glassing from a rest suits the tripod adaptable body and the 4.2 mm exit pupil, which works out from the size.
The view is narrower than the 277 ft median for 12x50 models, and 29.3 oz is a lot to hold by hand.
BX-4 Pro Guide HD Gen 2 12x50 is one choice among many, and the top binoculars compared covers the most popular ones. BX-4 Pro Guide HD Gen 2 12x50 is one of 36 models in the 12x50 binoculars comparison. Leupold lists it in the $500 to $1,000 price band, alongside the models in best binoculars under $1,000.
BX-4 Pro Guide HD Gen 2 12x50 specifications
BX-4 Pro Guide HD Gen 2 12x50 figures as Leupold prints them; rows marked * are calculated from the 12x50 size.
| Magnification | 12x |
|---|---|
| Objective lens | 50 mm |
| Prism type | Roof |
| Field of view | 257 ft at 1,000 yd (86 m at 1,000 m) |
| Angular field of view | 4.9° |
| Apparent field of view | 59° * |
| Eye relief | 16 mm |
| Close focus | 10 ft (3 m) |
| Eye spacing range | 56 to 74 mm |
| Weight | 29.3 oz (831 g) |
| Waterproofing | Waterproof and fogproof |
| Tripod adaptable | Yes |
| Focus system | Center focus |
| Maker list price | $500 to $1,000 |
| Exit pupil | 4.2 mm * |
| Twilight factor | 24.5 * |
| Relative brightness | 17.4 * |
* Calculated from the size, not printed by the maker.
BX-4 Pro Guide HD Gen 2 12x50 against other 12x50 binoculars
BX-4 Pro Guide HD Gen 2 12x50 shows 257 ft at 1,000 yd, below the 277 ft median of the 36 12x50 models in the chart. At 29.3 oz it is heavier than the 29.2 oz median for the size.
BX-4 Pro Guide HD Gen 2 12x50 and its nearest rivals
BX-4 Pro Guide HD Gen 2 12x50 next to the 12x50 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 |
|---|---|---|---|---|---|---|---|
| Leupold BX-4 Pro Guide HD Gen 2 12x50 | 257 ft | 16 mm | 10 ft | 29.3 oz | 4.2 mm | $500 to $1,000 | |
| Burris Signature HD 12x50 | 251 ft | 13.1 ft | 28.5 oz | 4.2 mm | $500 to $1,000 | ||
| Vortex Viper HD 12x50 | 288 ft | 16 mm | 8 ft | 28.8 oz | 4.2 mm | $500 to $1,000 | Check price on Amazon |
| Bushnell R7 12x50 | 290 ft | 18 mm | 7 ft | 32.4 oz | 4.2 mm | $500 to $1,000 | Check price on Amazon |
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Other sizes of the BX-4 Pro Guide HD Gen 2
Leupold makes the BX-4 Pro Guide HD Gen 2 in 4 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 |
|---|---|---|---|---|---|---|
| Leupold BX-4 Pro Guide HD Gen 2 12x50 | 12x50 | 257 ft | 16 mm | 10 ft | 29.3 oz | 4.2 mm |
| Leupold BX-4 Pro Guide HD Gen 2 8x42 | 8x42 | 376 ft | 18 mm | 8.7 ft | 24.5 oz | 5.3 mm |
| Leupold BX-4 Pro Guide HD Gen 2 10x42 | 10x42 | 314 ft | 17 mm | 9.3 ft | 25 oz | 4.2 mm |
| Leupold BX-4 Pro Guide HD Gen 2 10x50 | 10x50 | 299 ft | 19 mm | 9.3 ft | 28.7 oz | 5 mm |
Leupold binoculars
BX-4 Pro Guide HD Gen 2 12x50 questions
BX-4 Pro Guide HD Gen 2 12x50: does it work with glasses?
BX-4 Pro Guide HD Gen 2 12x50 has 16 mm of eye relief, which meets the 16 mm the RSPB advises for people who wear glasses.
BX-4 Pro Guide HD Gen 2 12x50: what does 12x50 mean?
BX-4 Pro Guide HD Gen 2 12x50 magnifies 12 times through 50 mm front lenses, which works out to an exit pupil of 4.2 mm, the width of the beam of light that reaches each eye.
BX-4 Pro Guide HD Gen 2 12x50: how wide is the view?
BX-4 Pro Guide HD Gen 2 12x50 shows a view 257 ft wide at 1,000 yd, below the 277 ft median of the 36 12x50 models in the chart.
BX-4 Pro Guide HD Gen 2 12x50: can it go on a tripod?
BX-4 Pro Guide HD Gen 2 12x50 is tripod adaptable according to Leupold, so it accepts a binocular tripod adapter.