Magification: 10x

Objective diametre: 42mm

Eyepiece diameter 18MM

Eye Relief: 12.5mm

Exit Pupil: 3.5mm

Field of  degree: 5.6°

Coating type: fully-multi coated

Focusing system:Cent.

Near Focus:5m

Waterproof:water-resist,

weight：560g

Size:135*155*55mm   ( added 1USD Phone adaptor ,  and USD 0.5 holder  for option )