1.lens material is glass and metal,no plastic.
2.lens can be used for high temperature and cold environment(-20 to 60).
3.lens has 5MP resolution,it can be supported by 1080P/3MP/5MP sensor.
4.the japanese optorun coating machine for muti-layer coating has excellent transmittance,effectively eliminate stay light and halo features.
5.lens can be used in long distance condition,about 50m.
6.lens has IR filter,it can be used in sports camera.