Steiner M830r specs and field of view
Eye relief of 20 mm on the M830r stands well above the 15.4 mm median of 10 models of 8x30, and its weight is 18.7 oz against a 17 oz median.
- Field of view
- 390 ftat 1,000 yd
- Eye relief
- 20 mm
- Close focus
- 66 ft
- Weight
- 18.7 oz
- Exit pupil
- 3.8 mmcalculated
Why pick it
- Longest eye relief of the 10: 20 mm
- Waterproof
Who the M830r suits
The 20 mm of eye relief suits glasses, and 18.7 oz is light for carrying. Waterproof to 16 ft, it lists at $1,000 to $2,000.
Its 390 ft field of view is below the 428 ft median, and close focus of 66 ft is much longer than the 8.2 ft median.
M830r aside, the most popular models of all sizes are in our best binoculars comparison. M830r is one of 10 models in the 8x30 binoculars comparison. Steiner lists it in the $1,000 to $2,000 price band, alongside the models in best binoculars over $1,000.
M830r specifications
M830r figures as Steiner prints them; rows marked * are calculated from the 8x30 size.
| Magnification | 8x |
|---|---|
| Objective lens | 30 mm |
| Field of view | 390 ft at 1,000 yd (130 m at 1,000 m) |
| Angular field of view | 7.4° |
| Apparent field of view | 59° * |
| Eye relief | 20 mm |
| Close focus | 66 ft (20.1 m) |
| Eye spacing range | 56 to 74 mm |
| Weight | 18.7 oz (530 g) |
| Waterproofing | Submersion to 16ft. |
| Fog-proofing gas | Nitrogen |
| Maker list price | $1,000 to $2,000 |
| Exit pupil | 3.8 mm * |
| Twilight factor | 15.5 * |
| Relative brightness | 14.1 * |
* Calculated from the size, not printed by the maker.
M830r against other 8x30 binoculars
M830r shows 390 ft at 1,000 yd, below the 428 ft median of the 10 8x30 models in the chart. At 18.7 oz it is heavier than the 17 oz median for the size.
M830r and its nearest rivals
M830r next to the 8x30 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 M830r | 390 ft | 20 mm | 66 ft | 18.7 oz | 3.8 mm | $1,000 to $2,000 | |
| Nikon Monarch HG 8x30 | 435 ft | 16.2 mm | 6.6 ft | 15.9 oz | 3.8 mm | $1,000 to $2,000 | Check price on Amazon |
| Swarovski CL Companion 8x30 | 420 ft | 19 mm | 9.8 ft | 19 oz | 3.8 mm | $1,000 to $2,000 | Check price on Amazon |
| Maven B.3 8x30 | 430 ft | 15.1 mm | 8.2 ft | 16.6 oz | 3.8 mm | $500 to $1,000 | 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 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 M2080 | 20x80 | 160 ft | 197 ft | 68.1 oz | 4 mm |
Steiner binoculars
M830r questions
M830r: does it work with glasses?
M830r has 20 mm of eye relief, which meets the 16 mm the RSPB advises for people who wear glasses.
M830r: what does 8x30 mean?
M830r magnifies 8 times through 30 mm front lenses, which works out to an exit pupil of 3.8 mm, the width of the beam of light that reaches each eye.
M830r: how wide is the view?
M830r shows a view 390 ft wide at 1,000 yd, below the 428 ft median of the 10 8x30 models in the chart.