Zeiss SFL 12x50 Binoculars

The Zeiss SFL 12x50 is the 12x model in the SFL 50 family: binoculars with 50 mm lenses in a body light and compact enough to rival traditional 42 mm models. The 12x magnification is the one for long-distance observation, letting birdwatchers pick out and identify distant species in clear detail.

• Magnification: 12x
• Effective lens diameter: 50 mm
• Field of view: 105 m at 1,000 m (315 ft at 1,000 yd)
• Subjective viewing angle: 68°
• Exit pupil diameter: 4.2 mm
• Twilight factor: 24.5
• Light transmission: 90%
• Close focus: 1.8 m (5.9 ft)
• Exit pupil distance: 18 mm
• Pupil distance: 56-74 mm
• Dioptre adjustment: -4.0 to +4.0 dpt
• UHD lenses and Schmidt-Pechan prisms