Applying the principles of the SmartFocus Lightweight line to optics with large - light-hungry objective lenses - the Zeiss 10x50 SFL Binoculars combine ease of use with the premium optical quality ZEISS is known for The SFL line uses slightly smaller objective lenses for a significant weight reduction from previous models - making a day of nature observation or sightseeing much more comfortable Zeiss calls its SFL 50 series 50mm optics in a 42mm frame You'll enjoy the generous field of view for the big picture and the 59' close-focus distance for a good look at that nearby bird or butterfly Extra-low dispersion glass with the famous T coating delivers 90% light transmission for a beautiful image - even in the low light of dusk or dawn The SFL is waterproof and nitrogen-filled to prevent internal fogging
Features: ZEISS T* Multicoating, Schott HT Glass Schmidt-Pechan Prism, Extra-Low Dispersion Lenses, 1.4-Turn Ergonomic Focus Wheel, Nitrogen-Filled, Fog & Waterproof, LotuTec Hydrophobic Coating, Lightweight, Rugged Magnesium Chassis, 5.9' Close Focus Distance
Prism Type: Roof
Magnification: 10x
Objective Lens Diameter: 50 mm
Field of View: 366' @ 1000 yd / 121.5 m @ 1000 m
Minimum Focus Distance: 5.9' / 1.8 m
Exit Pupil Diameter: 4.2 mm
Interpupillary Adjustment: 56 to 74 mm / 2.2 to 2.9-inch
Diopter Adjustment: -4 to +4
Focus Type: Center
Stabilization Freedom: No
Fogproof: Yes: Nitrogen Filled
Environmental Resistance: Water-Resistant (Unrated)
Dimensions: 6.3-inch / 160 mm
Weight: 30.8 oz / 873 g
