Ultra-Compact Binoculars: FB Zoom
 |
| Model: | FB ZOOM 6-12x17 |
|---|---|
| Type: | Roof-prism binoculars
with center-focusing and center-zooming systems |
Lens Construction: Objective lens:Eyepiece lens: |
2 elements in 1 group 4 elements in 3 groups |
| Magnification: | 6X ~ 12X |
| Effective Aperture of Objective Lens: | 17mm |
| Angle of View: | 7.0° (6X) ~ 4.4° (12X) |
| Apparent Angle of View: | 42° (6X) ~ 53° (12X) |
| Field of View (at 1,000m): | 123m (6X) ~ 77m (12X) |
| Exit Pupil: | 2.8mm (6X) ~ 1.4mm (12X) |
| Eye Relief: | 13mm (6X) ~ 10mm (12X) |
| Relative Brightness: | 7.8 (6X) ~ 2.0 (12X) |
| Diopter Adjustment Range: | ±4m-1 |
| Eye-Distance Adjustment Range: | 56mm ~ 72mm |
| Focus Range: | 2.0m ~ ∞ |
| Eyepiece Ring: | Fixed type |
| Dimensions: | 72mm (W) x 97mm (H)
x 27mm (D) excluding control devices and protrusions |
| Weight: | 188g |
| Accessories: | Soft case, Strap |
