PENTAX DCF BC

DCF BC features high-performance optics in Waterproof a construction that can withstand washing. Nitrogen filling prevents fogging even at extremely rapid change in ambient conditions. The ergonomic design of the body you will be well, firmly. Additional layer applied to the auxiliary prisms contribute to increase light transmission . Protective rubber layer is characterized by a slight depression at the user's thumb for a stable fit without fatigue of observation. The combination of excellent optical performance in a compact, lightweight design allows the body to use the telescope in a wide range of observations - observations from nature to watching sports activities.
Specifications:
Optical parameters:
Type: roof prisms
Lens construction: 5 elements in 3 groups
Magnification: 9x
Objective lens diameter: 32 mm
Real field of view: 6.7 o
Apparent field of view: 55.6 o
Field of view at 1000 m: 117 m
Exit pupil: 3.6 mm
Eye relief: 16 mm
Relative brightness: 13
Diopter adjustment range: ± 4
Interpupillary distance: 56-74 mm
Closest focusing: 2.5 m
Other:
Antireflection coatings: multi-coated
Nitrogen filled body
Waterproof structure (1 m)
Design:
Color: Black
Dimensions: 138 x 128 x 52 mm
Weight: 500 g