PENTAX Papilio with case

PENTAX Papilio porro binoculars is not only suitable approach for large distances, but s focus from half a meter shall apply to the zoomed observations of insects, birds, art and other subjects at a distance. The property stems from technology CLOSE (Convergent Lens Optical System Engineering). Mainly because it is able to reliably focus on short distance. Rubber cover provides a sure grip and protects the internal mechanisms - together with revolutionary Dual axis and a body in one piece. Internal optical focus adds durability and helical eyepiece rings offer relief eyes.
Specifications:
Optical parameters:
Type: Porro
Lens construction: 2 members in one group
Magnification: 6.5 x
Objective lens diameter: 21 mm
Real field of view: 7.5 o
Apparent field of view: 49 o
Field of view at 1000 m: 131 m
Exit pupil: 3,2 mm
Eye relief: 15 mm
Relative brightness: 10.2
Diopter adjustment: +4
Interpupillary distance: 56-74 mm
Closest focus: 0.5 m
Other:
Antireflection coatings: multi-coated
Design:
Color: Black
Dimensions: 114 x 110 x 55 mm
Weight: 290 g