Yuanjin Optical has made unremitting efforts to make your telescope perfect and allow you to have a better viewing experience. The use of waterproof HD telescopes and even distant targets are also within easy reach. Yuanjin YJT8X42X series of high-definition telescopes, compact, exquisite appearance, BAK4 glass, waterproof HD telescope, especially suitable for outdoor use, is the gift of choice for telescopes.
Model
YJT8X42X
Magnification
8X
Objective lens diameter (mm)
42
Exit pupil diameter (mm)
5.3
Relative brightness
28
Evening index
18.3
Exit pupil distance (mm)
18
Field of view angle
7.5°
Eye field of view
60°
Metric field of view (m / 1000 M)
131M
Inch field of view (ft / 1000 yds)
393FT
The nearest distance (m)
4
Diopter (dpt)
±4
Interpupillary distance (mm)
50～74
Focusing system
Central focusing
Prism system
Paul
Prism material
BAK4
Objective lens composition
2 tablets / 1 set
Eyepieces
3 tablets / 2 sets
Coating
Comprehensive multilayer coating
Eye cup type
Down
waterproof
Yes
Tripod interface
Yes
Size (mm)
140X175X52
Weight (g)
620
