Effective focal length
+/-1% (EFL<1m ); +/-2% (EFL>1m )
less than 40-20
Effective light aperture
85% of the center aperture
CAF2 is an excellent material in the field of laser optics. It has a wide wavelength range from 130nm to 9500nm, especially in the infrared. CAF2 is widely used in the fields of laser, infrared and ultraviolet optics. It is slightly soluble in water and is susceptible to heat shock.