Product Name: 1.56 70mm Single Vison Optical Lens Blue Cut Hmc EMI Coating: HMC Customized: Non-Customized Certification: ISO9001, CE, FDA Lenses Color: Clear Material: 1.56 Material Shape: Single-lens Transmittance: 90%-95% Type: Convex Lens Usage: Optical UV: 420 Transport Package: Piece/Envelope, Carton Specification: 65/70 Origin: Danyang, China HS Code: 90015099 Product Description Description:*1.56 70MM Single Vision Optical Lens. BLUE CUT UV420.HC/HMC/UV400 available, Sph & Asp available.Features:Material*Character1). Index 1.499 cr-391). High impact-resistance (FDA)2). Raw Material: Plastic2). Stable Quality3). Abbe Value: 523). High Transmission4). Gravity: 1.32g/cm34). No interal stress5). Transmission: 92%5). Specailly for Plus powers6). Fast changing