Magnification: 8x
Effective Lens Diameter: 25 mm Exit Pupil Diameter: 3.1 mm Twilight Factors: 14.1 Field of View at 1000 yd: 357 ft Subjective Viewing Angle: 52 degrees Close Focus in Ft: 6.2 ft Diopter Adjustment Range: +3 -3 dpt Pupil Distance: 35 72 mm Eye Relief: 16 mm Water Resistance: 100 mbar LotuTec: no Functional Temperature in degrees F: 4 to +145 Length: 4.4 Width: 4.5 Weight: 10.9 oz Take higher performance into the field. TERRA ED Binoculars combine SCHOTT ED glass (TERRA ED 32+42) with ZEISS MC coating for pure bright and vivid images even in low light. With an awesome close focus and a wide-angle field of view you’ll never miss a thing. And their extremely compact size aids mobility in the field.