Magnification | 9x | 11x |
Obj. lens diameter | 45mm | |
Exit pupil | 5mm | 4.1mm |
Field of View (FOV) | | |
Apparent FOV (FOV x Power) | | |
Field of view (ft/1000 yds) | 377 | 314 |
Brightness | 25 | 16.7 |
Light transmission (%) | 93.70% | 94.80% |
Twilight factor | 20.1 | 22.2 |
Multi Position Eyecups Y/N | Yes | |
Eye relief | 17.3mm | 16.7mm |
Near focus | 4.9ft | 4.9ft |
Eye width adjustment | 56~75mm | 56~75mm |
Dimension WxHxD | 5.7x7.1x2.1 | |
Weight | 33.25 oz | 33.25 oz |
Lens constr. obj. | 3 groups 4 elements (ED) | |
Lens constr. ocular | 5 groups 6 elements | 4 groups 6 elements |
Prisms type | Abbe-Koenig | |
Prism reflective coating type | N/A | |
Phase Correction Coating | Yes | Yes |
ED glass | Yes | Yes |
Lens coating | Scratch and Oil Resistant | |
Diopter correction (dpt) | +/-4 | |
Pressure tested to what pressure | 1m for 30 min. (IPX7) | |
Storage temperature | | |
Functional temperature | | |
Frame material | Magnesium | |
Internal gas purged | Nitrogen | |
Tripod Adaptable Y/N | Yes | Yes |
Origin | Japanese components assembled in the US | |