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4171. Cr39 Round Top Bifocal Hc 70/28mm Optical Lens 
[Jun 17, 2026]
[Jun 17, 2026] What is Lens Index? The lens index refers to the index of refraction (otherwise known as refractive index) of lens material for eyewear. It is a relative measurement number that describes how efficiently the material ...
Company: Danyang Boris Optical Co., Ltd.
4172. Middle Index 1.56 Semi Finished Progressive Photo Grey Blue Block Hc Optical Lenses [Jun 09, 2026]
[Jun 09, 2026] Lens: A piece of glass or other transparent material with one or more curved surfaces through which objects appear clear, larger, or smaller. Usually used in glasses, cameras, telescopes, etc Classification: Lenses can ...
Company: Danyang Boris Optical Co., Ltd.
4173. High Index 1.67 Mr-7 Blue Cut Semi Finished Hc Eyeglasses Blue Blocking Optical Lenses [Jun 08, 2026]
[Jun 08, 2026] Lens: A piece of glass or other transparent material with one or more curved surfaces through which objects appear clear, larger, or smaller. Usually used in glasses, cameras, telescopes, etc Classification: Lenses can ...
Company: Danyang Boris Optical Co., Ltd.
4174. High Index 1.67 Mr-7 Blue Cut Semi Finished Hmc Eyeglasses Blue Blocking Optical Lenses [Jun 08, 2026]
[Jun 08, 2026] Lens: A piece of glass or other transparent material with one or more curved surfaces through which objects appear clear, larger, or smaller. Usually used in glasses, cameras, telescopes, etc Classification: Lenses can ...
Company: Danyang Boris Optical Co., Ltd.
4175. Cr39 Blended Invisible Bifocal UC 70/28mm Optical Lens [Jun 07, 2026]
[Jun 07, 2026] What is Lens Index? The lens index refers to the index of refraction (otherwise known as refractive index) of lens material for eyewear. It is a relative measurement number that describes how efficiently the material ...
Company: Danyang Boris Optical Co., Ltd.
4176. Lentes Opticas Fotocromaticas Con Filtro De Luz Azul, Indices 1.56, 1.61, 1.67 Y 1.74, Con ... [Jun 04, 2026]
[Jun 04, 2026] 1.67 MR-7 PhotoMagic AR Coating Lens Products Description Index 1.67 UV Protect UV420 Abbe Value 31 Coating HMC/AR Function / Specific Gravity 1.36 Diameter 65mm/70mm/75mm Delivery Time 15-30 ...
Company: HUNAN XINGJI OPTICAL CO.,LTD.
4177. Wholesale 1.61 Mr-8 Blue Cut Optical Lenses Blue Light Filter Prescription Eyeglasses Lenses [May 09, 2026]
[May 09, 2026] Product Description Product Name 1.61 ASP Blue Cut UV400 HMC Optical Lens Diameter 65/70/75mm Monomer MR-8 Abbe value 41 Specific Gravity 1.30 Power Range SPH:0.00~ -20.00 0.00~+16.00 CYL: 0.00~ ...
Company: Zhenjiang Seesen Optical Co., Ltd.
4178. Wholesale Cr39 1.56 Blue Cut Photogrey Optical Lenses Blue Block Photochromic Eyeglasses Lenses [Apr 30, 2026]
[Apr 30, 2026] Product Description Product Name 1.56 Blue Block Photochromic Progressive Lens Diameter 75/12&14mm Monomer NK55 (imported from Japan) Abbe value 37.5 Specific Gravity 1.28 Power Range SPH: -2.00~+3.00 ADD: ...
Company: Zhenjiang Seesen Optical Co., Ltd.
4179. Manufacturers Cr39 1.56 Blue Cut Optical Lenses Blue Block Light Single Vision Eyeglasses Lenses [Apr 03, 2026]
[Apr 03, 2026] Product Name 1.56 Bule Cut Optical lens Diameter 65/70mm Monomer NK55(Imported from Japan) Abbe Value 40 Specific Gravity 1.28 Power Range SPH:-20.00~+11.00 CYL:0.00~-6.00 1.56 ...
Company: Zhenjiang Seesen Optical Co., Ltd.
4180. 3000W Portable 3-in-1 Laser Welding, Cutting & Cleaning Machine, Capable of Welding Materials ... [Apr 03, 2026]
[Apr 03, 2026] 1. What's laser cleaning machine and how does it work ? Laser cleaning Machines is a new generation of surface cleaning high-tech equipments. An environmental friendly laser ablation method to replace chemical and ...
Company: Wincoo Engineering Co., Ltd.
4181. 1500W 2000W 3000W Mini Portable Handheld Fiber Laser Cleaning Welding Soldering Cutting Weld ... [Apr 03, 2026]
[Apr 03, 2026] 1. What's laser cleaning machine and how does it work ? Laser cleaning Machines is a new generation of surface cleaning high-tech equipments. An environmental friendly laser ablation method to replace chemical and ...
Company: Wincoo Engineering Co., Ltd.
4182. Wincoo 1500kw 2000W 3000W Handheld Fiber Laser Continuous Laser Welding Machine Metal Stainless ... [Apr 03, 2026]
[Apr 03, 2026] Laser Cleaning Machine Product Description Laser cleaning Machines is a new generation of surface cleaning high-tech equipments. An environmental friendly laser ablation method to replace chemical and mechanical ...
Company: Wincoo Engineering Co., Ltd.
4183. Wholesale Cr39 1.56 Blue Cut Optical Lenses Lentes Blue Light Filter Eyeglasses Lenses [Mar 24, 2026]
[Mar 24, 2026] Product Name 1.56 Bule Cut Optical lens Diameter 65/70mm Monomer NK55(Imported from Japan) Abbe Value 40 Specific Gravity 1.28 Power Range SPH:-20.00~+11.00 CYL:0.00~-6.00 1.56 ...
Company: Zhenjiang Seesen Optical Co., Ltd.
4184. Wholesale Factory 1.56 Progressive Pgx Ar Green Photogrey Photochromic Eyeglasses Lenses Optical ... [Mar 22, 2026]
[Mar 22, 2026] Product Description ITEM 1.49 1.56 1.59 1.60 1.67 1.70 1.74 Single vision A A A A A A A Blue ...
4185. Sunglasses Lens UV400 Mr-8 1.61 Index Flash Mirror Purple Shmc Gradient Color Base Curve 3 Optical ... [Mar 22, 2026]
[Mar 22, 2026] Product Description ITEM 1.49 1.56 1.59 1.60 1.67 1.70 1.74 Single vision A A A A A A A Blue ...
