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Featuring a high 10x magnification and a Bak-4 prism system the highest quality prism system on the market the Firefield® 10x42 Binocular delivers brilliant light, pure visuals and vivid landscapes. Nitrogen-filled and water resistant, this binocular is built for reliability; ensuring users get the most out of every use in the field. The exterior is coated with a rubberized armor for a solid grip and protection against minor impact.
Magnification & Objective Diameter | 10x42 mm |
---|---|
Type of Prism (type) | Bak-4 |
Prism Coating, (yes/no) | yes |
Lens Coating | Fully multi-coated CL/FC/BMC/FBMC |
Focus System, Cent/Ind/Fix | Central |
Focusing Lens, Eye/Obj/Int | Internal |
Diameter, Exit Pupil | 4.2 mm |
Eye Relief | 14 mm |
Field of View | 5.8 angle |
Field of View | 305 ft/1,000yds |
Field of View | 102 m/1,000m |
Distance, Minimum Focusing Distance | 5/16.4 ft/m |
Relative Brightness | 17.64 |
Twilight Index | 20.5 |
Resolution | 7.5'' |
Diopter System, location | eyepiece |
Range, Diopter | -4 to +9 |
Distance, Interpupillary, in/mm | 54-72 |
Nitrogen Purged | no yes/no |
Fog Proof | no yes/no |
IP Rating (waterproof) | IPX4 (weatherproof) |
Eyecup system | twist up |
Operating Temperature | 32 to 120 F |
Dimensions, mm | 152mm/154mm/51mm mm |
Weight, oz | 20.5 oz |
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