Special Features
Lens quality
High-index BaK4 prisms
Vision convenience
Long eye relief and adjustable eyepieces (twist up/down)
Optical coating
Full multi-coating, UV coating
Specialty
Environmentally friendly lead-free glass
UV-Protection
Equipped
Optics
Type
Porro-prism series
Diopter adjustment range
over +/- 2 1/m
Eye interval adjustment range
60 - 70mm
Objective lens diameter
42mm
Closest focal point
5m
Eye relief
18.4mm
Lens configuration
8 elements / 6 groups
Magnification
10x
Exit pupil diameter
4.2mm
Actual field of view
5.5°
Field of view at 100m
9.6m
Apparent angle of view
55°
Relative brightness
17.6
Dimensions / Weight
Width
130mm
-----
(fully extended)
Thickness
57mm
Recommended Uses
Recommended Uses
Astronomy, Bird Watching, General Purpose, Nature, Traveling