Danyang Tecra Optical Instruments Co., Ltd. [China]

glass photogray lenses 1.index 1.523 2.material :optical glass 3.dia:65mm&60mm 4.

glass photogray lenses

1.index 1.523

2.material :optical glass

3.dia:65mm/6mm

4.power range 0.00~6.00/4D

glass photogray lens