The binocular is developed with regard to special tightness requirements which enables to use this binocular under conditions of increased humidity.
The housing is filled with dry nitrogen for prevention of condensation of the optical surfaces during sudden temperature drop.
The great clear aperture diameter and bloomed optics enable to conduct the long-term and easy observation of the objects.

Specifications: 

- Magnification, ratio  7x
- Clear aperture diameter, mm 42
- Angular field of view, ang.deg 7
- Exit pupil diameter , mm 6
- Eye relief, mm, min 21,5
- Diopter adjustment range, dptr. -1
- Resolution power within field of view centre, ang.s, min 10
- Scale factor, ang.m 34
- Interpupillary distance, mm 54...74
- Light transmission, % 75
- Axes deviation, mrad 12 [vert.], 6 [horizontal]
- Additional filters [neutral], % 15-20
- Tightness, kH/m(2) 69
- Overall dimensions, mm 160x170x80
- Operating temperature range, C     from - 50 to + 70
- Weight , kg 1, 25



Package Contents:

- 7x42 PRISM BINOCULAR
- User's Manual 
- Case