Binoculars Pentax UD 9x21

Compact and lightweight (only 195 g) binoculars with 9x magnification, which can easily fit in a purse or pocket thanks to their small dimensions (108x87x38 mm). The objective lenses, which have a diameter of 21 mm, are made of barium crown BaK-4 - a special optical glass with a low light dispersion coefficient, due to the use of which the effect of chromatic aberration is significantly reduced.

The lenses are coated with a multi-layer anti-reflective coating. Therefore, owners of Pentax UD 9x21 binoculars see a picture with a clear, contrasting and evenly light image across the entire field of view. The body of the device is made of plastic. A special feature of this model is its stylish design with several color options: from classic black to original pink and orange.

All specifications

Specifications UD 9x21

Main
Product type	binoculars
Magnification	9 x


Optical characteristics
Field of view 1 km away	105 m
Real angle of view	6 °
Min. focus distance	3 m
Twilight factor	13.74
Relative brightness	5.44
Diopter adjustment
Diopter correction range	±4 D


Design
Lens diameter	21 mm
Exit pupil diameter	2.33 mm
Eye relief	9.9 mm
Focus	central
Anti reflective coating	full multilayer
Prism	Roof
Prism material	BaK-4
Interpupillary adjustment

General
Dustproof, water resistant
Case
Body	plastic
Size	108x87x38 mm
Weight	195 g
Added to E-Catalog	july 2021
P/N	61811 61812 61813 More ↓ 61814 61815

Information in model description is for reference purposes.
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Pentax UD 9x21

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