ZEISS Victory SFL 10x40 specs and field of view
Weight is 22.6 oz and close focus is 4.9 ft on the Victory SFL 10x40, with a calculated exit pupil of 4 mm.
- Field of view
- 345 ftat 1,000 yd
- Eye relief
- 18 mm
- Close focus
- 4.9 ft
- Weight
- 22.6 oz
- Exit pupil
- 4 mmcalculated
Why pick it
- Longest eye relief of the 3: 18 mm
- Focuses as close as 4.9 ft
Who the Victory SFL 10x40 suits
With 18 mm of eye relief it suits eyeglass wearers, and the maker lists birding and travel as uses. The 52 to 74 mm eye spacing range is wide.
The calculated exit pupil of 4 mm gives less dusk light than the 5 mm of the Victory SFL 10x50.
Victory SFL 10x40 can be set against the most popular models of every size in the best binoculars list.
Victory SFL 10x40 specifications
Victory SFL 10x40 figures as ZEISS prints them; rows marked * are calculated from the 10x40 size.
| Magnification | 10x |
|---|---|
| Objective lens | 40 mm |
| Field of view | 345 ft at 1,000 yd (115 m at 1,000 m) |
| Angular field of view | 6.6° |
| Apparent field of view | 62° |
| Eye relief | 18 mm |
| Close focus | 4.9 ft (1.5 m) |
| Eye spacing range | 52 to 74 mm |
| Weight | 22.6 oz (640 g) |
| Length | 5.7 in (144 mm) |
| Width | 4.5 in (114 mm) |
| Waterproofing | 400 mbar water resistance |
| Fog-proofing gas | Nitrogen |
| Focus system | Center focus |
| Exit pupil | 4 mm * |
| Twilight factor | 20 * |
| Relative brightness | 16 * |
* Calculated from the size, not printed by the maker.
Victory SFL 10x40 against other 10x40 binoculars
Victory SFL 10x40 shows 345 ft at 1,000 yd, at or above the 345 ft median of the 3 10x40 models in the chart. At 22.6 oz it is at or under the 22.6 oz median weight for the size.
Victory SFL 10x40 and its nearest rivals
Victory SFL 10x40 next to the 10x40 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 |
|---|---|---|---|---|---|---|---|
| ZEISS Victory SFL 10x40 | 345 ft | 18 mm | 4.9 ft | 22.6 oz | 4 mm | ||
| Bushnell Spectator Sport 10x40 | 390 ft | 17 mm | 19.8 oz | 4 mm | Check price on Amazon | ||
| Swarovski Habicht 10x40 | 324 ft | 13 mm | 13 ft | 27.9 oz | 4 mm | $1,000 to $2,000 |
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Other sizes of the Victory SFL
ZEISS makes the Victory SFL 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 |
|---|---|---|---|---|---|---|
| ZEISS Victory SFL 10x40 | 10x40 | 345 ft | 18 mm | 4.9 ft | 22.6 oz | 4 mm |
| ZEISS Victory SFL 8x30 | 8x30 | 426 ft | 18 mm | 4.9 ft | 16.2 oz | 3.8 mm |
| ZEISS Victory SFL 10x30 | 10x30 | 360 ft | 18 mm | 4.9 ft | 16.2 oz | 3 mm |
| ZEISS Victory SFL 8x40 | 8x40 | 420 ft | 18 mm | 4.9 ft | 22.6 oz | 5 mm |
| ZEISS Victory SFL 8x50 | 8x50 | 393 ft | 20 mm | 5.9 ft | 30.2 oz | 6.3 mm |
| ZEISS Victory SFL 10x50 | 10x50 | 366 ft | 18 mm | 5.9 ft | 30.8 oz | 5 mm |
| ZEISS Victory SFL 12x50 | 12x50 | 315 ft | 18 mm | 5.9 ft | 30.8 oz | 4.2 mm |
ZEISS binoculars
Victory SFL 10x40 questions
Victory SFL 10x40: does it work with glasses?
Victory SFL 10x40 has 18 mm of eye relief, which meets the 16 mm the RSPB advises for people who wear glasses.
Victory SFL 10x40: what does 10x40 mean?
Victory SFL 10x40 magnifies 10 times through 40 mm front lenses, which works out to an exit pupil of 4 mm, the width of the beam of light that reaches each eye.