PRAKTICA Zoom 7 - 21x25 black

PRAKTICA Zoom 7 is a compact, ergonomically designed with adjustable magnification binoculars, you have the best view of any distance. This model offers adjustment of magnification in the range 7-21 ×. Telescope boasts Porro prism BaK4 and uses quality optics brand Praktica Multicoating using technology, which is finish coated . This modification improves light transmission, reduces reflective glare and reflections, thus increasing image quality for observation. Despite everything, the telescope is affordable, and it is an attractive offer for novice observer.
Specifications:

Magnification:
7-21 ×

The diameter of the lens:
25 mm

Exit pupil:
From 3.57 to 1.19 mm

Luminosity:
12.70 to 1.40

Light factor:
13.23 to 22.91

Angle of view:
5.2 to 2.8 °

Field of view at 1000 m:
91-49 m

Focus range:
3 m to infinity

Weight:
340 g