Steiner M2080 specs and field of view
The M2080 is the highest magnification in the M-Series, 20x, and comes with a 160 ft field of view and a calculated twilight factor of 40.
- Field of view
- 160 ftat 1,000 yd
- Close focus
- 197 ft
- Weight
- 68.1 oz
- Exit pupil
- 4 mmcalculated
Why pick it
- Lightest of the 4: 68.1 oz
- Waterproof
- Takes a tripod adapter
Who the M2080 suits
It suits tripod-mounted viewing of far subjects, with a calculated exit pupil of 4 mm and individual focus. It is submersible to 5 m and lists at over $2,000.
It weighs 68.1 oz, the field is only 3.1 degrees, close focus is 197 ft, and the maker prints no eye relief figure.
M2080 can be set against the most popular models of every size in the best binoculars list. Steiner lists it in the over $2,000 price band, alongside the models in best binoculars over $1,000.
M2080 specifications
M2080 figures as Steiner prints them; rows marked * are calculated from the 20x80 size.
| Magnification | 20x |
|---|---|
| Objective lens | 80 mm |
| Field of view | 160 ft at 1,000 yd (53 m at 1,000 m) |
| Angular field of view | 3.1° |
| Apparent field of view | 61° * |
| Close focus | 197 ft (60 m) |
| Weight | 68.1 oz (1,931 g) |
| Waterproofing | Submersible to 5 m |
| Tripod adaptable | Yes |
| Focus system | Individual eyepiece focus |
| Maker list price | over $2,000 |
| Exit pupil | 4 mm * |
| Twilight factor | 40 * |
| Relative brightness | 16 * |
* Calculated from the size, not printed by the maker.
M2080 against other 20x80 binoculars
M2080 shows 160 ft at 1,000 yd, below the 173 ft median of the 4 20x80 models in the chart. At 68.1 oz it is at or under the 80.7 oz median weight for the size.
M2080 and its nearest rivals
M2080 next to the 20x80 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 |
|---|---|---|---|---|---|---|---|
| Steiner M2080 | 160 ft | 197 ft | 68.1 oz | 4 mm | over $2,000 | ||
| Celestron SkyMaster Pro ED 20x80 | 178 ft | 15.4 mm | 98.4 ft | 123.2 oz | 4 mm | $200 to $500 | Check price on Amazon |
| Celestron SkyMaster Pro 20x80 | 168 ft | 15.5 mm | 66.2 ft | 86.4 oz | 4 mm | $200 to $500 | Check price on Amazon |
| Celestron SkyMaster 20x80 | 195 ft | 18 mm | 108 ft | 75 oz | 4 mm | $200 to $500 | Check price on Amazon |
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Other sizes of the M-Series
Steiner makes the M-Series in 7 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 |
|---|---|---|---|---|---|---|
| Steiner M2080 | 20x80 | 160 ft | 197 ft | 68.1 oz | 4 mm | |
| Steiner M830r | 8x30 | 390 ft | 20 mm | 66 ft | 18.7 oz | 3.8 mm |
| Steiner M750r | 7x50 | 390 ft | 22 mm | 66 ft | 36.9 oz | 7.1 mm |
| Steiner M750rc | 7x50 | 392 ft | 22 mm | 66 ft | 39.7 oz | 7.1 mm |
| Steiner M1050r | 10x50 | 300 ft | 15.8 mm | 66 ft | 35.3 oz | 5 mm |
| Steiner M1580 | 15x80 | 216 ft | 13 mm | 197 ft | 68.1 oz | 5.3 mm |
| Steiner M1580rc | 15x80 | 216 ft | 13 mm | 197 ft | 5.3 mm |
Steiner binoculars
M2080 questions
M2080: what does 20x80 mean?
M2080 magnifies 20 times through 80 mm front lenses, which works out to an exit pupil of 4 mm, the width of the beam of light that reaches each eye.
M2080: can it go on a tripod?
M2080 is tripod adaptable according to Steiner, so it accepts a binocular tripod adapter.