Nikon Monarch 5 20x56 specs and field of view
This Monarch 5 comes with 20 power, a twilight factor calculated at 33.5 and a 173 ft field of view.
- Field of view
- 173 ftat 1,000 yd
- Eye relief
- 16.4 mm
- Close focus
- 16.4 ft
- Weight
- 43.6 oz
- Exit pupil
- 2.8 mmcalculated
Why pick it
- 16.4 mm eye relief, enough for glasses
- Waterproof
- ED glass
Who the Monarch 5 20x56 suits
Fixed targets from a tripod suit it, with ED glass listed and 16.4 mm eye relief. The maker list price band is $500 to $1,000.
At 43.6 oz with a calculated 2.8 mm exit pupil and a 3.3 degree view, it is heavy and dim at dusk.
Monarch 5 20x56 is one choice among many, and the top binoculars compared covers the most popular ones. Nikon lists it in the $500 to $1,000 price band, alongside the models in best binoculars under $1,000.
Monarch 5 20x56 specifications
Monarch 5 20x56 figures as Nikon prints them; rows marked * are calculated from the 20x56 size.
| Magnification | 20x |
|---|---|
| Objective lens | 56 mm |
| Prism type | Roof |
| Field of view | 173 ft at 1,000 yd (58 m at 1,000 m) |
| Angular field of view | 3.3° |
| Apparent field of view | 59.9° |
| Eye relief | 16.4 mm |
| Close focus | 16.4 ft (5 m) |
| Eye spacing range | 60 to 72 mm |
| Weight | 43.6 oz (1,235 g) |
| Length | 7.8 in (199 mm) |
| Width | 5.7 in (146 mm) |
| Extra-low dispersion glass | Yes |
| Waterproofing | Rated 1 m / 3.3 ft for 10 minutes |
| Fog-proofing gas | Nitrogen |
| Tripod adaptable | Yes |
| Focus system | Center focus |
| Maker list price | $500 to $1,000 |
| Exit pupil | 2.8 mm * |
| Twilight factor | 33.5 * |
| Relative brightness | 7.8 * |
* Calculated from the size, not printed by the maker.
Other sizes of the Monarch 5
Nikon makes the Monarch 5 in 3 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 Monarch 5 20x56 | 20x56 | 173 ft | 16.4 mm | 16.4 ft | 43.6 oz | 2.8 mm | |
| Nikon Monarch 5 8x56 | 8x56 | 325 ft | 20.5 mm | 23 ft | 40.2 oz | 7 mm | Check price on Amazon |
| Nikon Monarch 5 16x56 | 16x56 | 215 ft | 16.4 mm | 16.4 ft | 43.4 oz | 3.5 mm |
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Monarch 5 20x56 questions
Monarch 5 20x56: does it work with glasses?
Monarch 5 20x56 has 16.4 mm of eye relief, which meets the 16 mm the RSPB advises for people who wear glasses.
Monarch 5 20x56: what does 20x56 mean?
Monarch 5 20x56 magnifies 20 times through 56 mm front lenses, which works out to an exit pupil of 2.8 mm, the width of the beam of light that reaches each eye.
Monarch 5 20x56: can it go on a tripod?
Monarch 5 20x56 is tripod adaptable according to Nikon, so it accepts a binocular tripod adapter.