Product details
 Large eyepiece single telescope.
Brand free tiger ZIYOUHU.
An exit pupil diameter 3 mm
model 8 x21
Exit pupil distance 4mm.
Rate eight times
Prism material. Bak4
Caliber 21 mm
Prism system. Roof prism
Field of view 138
The recent focus
 coating FMC green film
Focusing way In the middle of focusing
color Black/camouflage
Focus the system in the middle.
size 90 x60x40mm
Tripod holes There is no
The weight of the  About 174g gross weight is 213g. Waterproof anti-fog  Life is waterproof
Full set of accessories: desiccant, mirror cloth, soft bag, belt, instruction, color box packing.
This product features: 1. The large eyepiece is plated with blue film, with a large view and comfortable viewing. 2. The large objective lens increases the amount of light, and the image is clearer and brighter;   3. Full optical glass lenses, full-surface multilayer broadband coating, image unbiased and undistorted, watch the eye of the eye, the lens super light transmittance and the spotlight function to make it visible.
Scope of application: travel, view, ball game, concert, sports meeting, sailing, fishing, test, etc.