Caliber | 77mm | Certification | RoHS, Sgs |
Brand Name | YOPHY/OEM | Model Number | ND8 |
Type | Neutral Density | Place of Origin | Sichuan, China |
Frame Material | Aviation aluminum alloy | Glass Material | Optical ultra thin glass/AG |
Coating | Double-sided coating | Frame Thickness | 5.2-5.8mm |
Lens Thickness | 1.1mm | Standard | ROHS |
No.168,Konggang No.2 Road,Shuangliu Southwest Airport Economic Development Zone