Zeiss's black 8x42 Terra ED Binocular combines SCHOTT ED glass elements and a compact weather-sealed housing to create a multi-purpose optic that delivers the image quality and streamlined silhouette for birders and hunters seeking a budget-friendly set of glasses that do not sacrifice twilight performance or functionality. At the core of Terra ED are fully multi-coated SCHOTT ED glass lenses designed to maximize light transmission and render contrast-rich images. They also boast the ability to focus down to less than 6 ft, allowing observers to get up close to the bird or other nearby subject of interest Thanks to a space-saving Schmidt-Pechan roof prism design and lightweight composite housing, this binocular weighs just a pound and a half.
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Prism Type Roof Magnification 8x Objective Lens Diameter 42mm Angle of View 56° (apparent) Field-of-View 375.0' @ 1000 yd / 124.5 m @ 1000 m Minimum Focus Distance 5.25' / 1.6 m Exit Pupil Diameter 5.3 mm Eye Relief 18 mm Interpupillary Adjustment 8.9 - 11.8 mm / 22.6 - 29.9" Dioptric Correction ±4 Focus Type Center Tripod Mount None Dimensions 5.59 x 4.72" / 14.2 x 12.0 cm Weight 24.339 oz / 690 g