Fujinon 7x50 FMTR-SX specs and field of view
Eye relief of 23 mm and a 393 ft field at 1,000 yd define the 7x50 FMTR-SX. The field places 7th of 24 models of its size.
- Field of view
- 393 ftat 1,000 yd
- Eye relief
- 23 mm
- Close focus
- 32.2 ft
- Weight
- 49.7 oz
- Exit pupil
- 7.1 mmcalculated
Why pick it
- 393 ft view, wider than the typical 367 ft
- 23 mm eye relief, enough for glasses
- Waterproof
Who the 7x50 FMTR-SX suits
Eyeglass wearers gain from 23 mm eye relief, and the calculated exit pupil of 7.1 mm helps in dim light. The field beats the 367 ft median.
At 49.7 oz it is well over the 36.8 oz median for the size, and close focus is 32.2 ft.
7x50 FMTR-SX or another model: the best binoculars by maker figures shows how the popular ones differ. 7x50 FMTR-SX is one of 24 models in the 7x50 binoculars comparison.
7x50 FMTR-SX specifications
7x50 FMTR-SX figures as Fujinon prints them; rows marked * are calculated from the 7x50 size.
| Magnification | 7x |
|---|---|
| Objective lens | 50 mm |
| Field of view | 393 ft at 1,000 yd (131 m at 1,000 m) |
| Angular field of view | 7.5° |
| Apparent field of view | 49.3° |
| Eye relief | 23 mm |
| Close focus | 32.2 ft (9.8 m) |
| Eye spacing range | 56 to 74 mm |
| Weight | 49.7 oz (1,410 g) |
| Width | 8.6 in (218 mm) |
| Waterproofing | 2m-5min |
| Focus system | Individual eyepiece focus |
| Exit pupil | 7.1 mm * |
| Twilight factor | 18.7 * |
| Relative brightness | 51 * |
* Calculated from the size, not printed by the maker.
7x50 FMTR-SX against other 7x50 binoculars
7x50 FMTR-SX shows 393 ft at 1,000 yd, at or above the 367 ft median of the 24 7x50 models in the chart. At 49.7 oz it is heavier than the 36.8 oz median for the size.
7x50 FMTR-SX and its nearest rivals
7x50 FMTR-SX next to the 7x50 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 |
|---|---|---|---|---|---|---|---|
| Fujinon 7x50 FMTR-SX | 393 ft | 23 mm | 32.2 ft | 49.7 oz | 7.1 mm | ||
| Bushnell Marine 7x50 | 267 ft | 18 mm | 35 ft | 37 oz | 7.1 mm | Check price on Amazon | |
| Bushnell Marine 7x50 with rangefinding reticle and compass | 267 ft | 18 mm | 35 ft | 37 oz | 7.1 mm | Check price on Amazon | |
| Nikon Action EX 7x50 CF | 336 ft | 17.1 mm | 23 ft | 35.3 oz | 7.1 mm |
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Other sizes of the FMT (Polaris)
Fujinon makes the FMT (Polaris) 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 |
|---|---|---|---|---|---|---|
| Fujinon 7x50 FMTR-SX | 7x50 | 393 ft | 23 mm | 32.2 ft | 49.7 oz | 7.1 mm |
| Fujinon 10x50 FMTR-SX | 10x50 | 342 ft | 19.8 mm | 65.6 ft | 50.4 oz | 5 mm |
| Fujinon 10x70 FMTR-SX | 10x70 | 279 ft | 23 mm | 65.6 ft | 70.9 oz | 7 mm |
| Fujinon 16x70 FMTR-SX | 16x70 | 210 ft | 15.5 mm | 168 ft | 67.7 oz | 4.4 mm |
Fujinon binoculars
7x50 FMTR-SX questions
7x50 FMTR-SX: does it work with glasses?
7x50 FMTR-SX has 23 mm of eye relief, which meets the 16 mm the RSPB advises for people who wear glasses.
7x50 FMTR-SX: what does 7x50 mean?
7x50 FMTR-SX magnifies 7 times through 50 mm front lenses, which works out to an exit pupil of 7.1 mm, the width of the beam of light that reaches each eye.
7x50 FMTR-SX: how wide is the view?
7x50 FMTR-SX shows a view 393 ft wide at 1,000 yd, at or above the 367 ft median of the 24 7x50 models in the chart.