Zeiss Terra ED 8 x 42 Binocular

Magnification

8 ×

Effective lens diameter

42 mm

Light transmission

88%

Exit pupil diameter

5.3 mm

Twilight factor

18.3

Field of view at 1,000 m (yds)

125 m (375 ft)

Subjective viewing angle

56°

Close focusing distance

1.6 m (5.3 ft)

Diopter adjustment range

− 3.0 | + 3.0 dpt

Exit pupil distance

18 mm

Pupil distance

58 – 75.5 mm

Lens type

ED

Prism system

Schmidt-Pechan

LotuTec | Nitrogen filled

- | +

Water resistance

100 mbar

Operating temperature

− 15°C | + 60°C (+ 5°F | + 140°F)

Length

142 mm (5.6 ")

Width at an interpupillary distance of 65 mm

120 mm (4.7 ")

Weight

725 g (25.6 oz)