$359.00 (as of October 19, 2017, 4:24 pm)
magnification:4X , Material: optical lens ,Certificate: ISO9001:2008,CE
4 kinds of working distance : S(340mm), R(420mm), L(500mm), XL(550mm). Please notify us you need which working distance after place order.
Color: Black,Frame: sport frame, Field Of View: 55-65mm,Viewing Angle: 20-150°,Depth of field: 80mm ,Weight: 80g