Dome Lens
Dome lens, full name is the spherical shield, in the monitoring system, protect the camera, with the continuous upgrade of the camera system, put forward higher requirements about the quality of the ball cap. Not only to the function of general protection, and to make the camera image real reduction, this is a new generation of ball type shield will play an important role.​

Material:                        BK7 Optical glasses,CaF2,BaF2, MgF2,Ge,Si,Fused Silica

Diameter Tolerance:     +0.0/-0.02mm

Thickness Tolerance:    ± 0.01mm

Surface Accuracy:        λ/4 @632.8nm

Surface Quality:           20-10

Centration:                  1′

Clear Aperture:            > 90%

Bevel:                          0.2mm×45°

Coating:                      user-defined