WHAT DOES UNCOOLED LONG-WAVE INFRARED LENSES MEAN?

Provide an order number and postal code to examine the position of an purchase or down load an Bill for an get that has delivered. Login to perspective your finish purchase heritage.This system contains 4 lenses. Only one diffractive lens on L1 and one conical surface on L2 are utilized to harmony the wave-front aberration. The look information to