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271. 1.49 Bifocal Flat Top Hmc Optical Lenses Spectacle Lens/Resin Lens 
[Sep 10, 2025]
[Sep 10, 2025] Bifocal lens can be used to correct both far and near vision, mainly for presbyopia. The general distribution of bifocal lens is: the upper part of the lens is to see the distance, the lower part of the lens is used to ...
Company: Danyang Boris Optical Co., Ltd.
272. 1.61 Hc Acrylic Semi Finished Single Vision Optical Lenses Resin Lens [Sep 10, 2025]
[Sep 10, 2025] 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.
273. 1.61 UC Acrylic Semi Finished Single Vision Optical Lenses Resin Lens [Sep 10, 2025]
[Sep 10, 2025] 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.
274. Precision Optical Fresnel Hard Resin Various Sizes Lens [May 17, 2023]
[May 17, 2023] What are Fresnel lens? Fresnel lenses are lenses composed of a series of concentric rings. The Fresnel lens construction design allows for large aperture and short focal length with less mass and volume compared ...
Company: DG Optoelectronics Co., Limited
275. High Quality Optical Lens Made in China 1.56 Blue Cut Photochromic Resin Lens Manufacturers [Sep 10, 2025]
[Sep 10, 2025] Color changing lens, also known as "photosensitive lens". The glass lens is added with silver halide, but at present the mainstream is resin discoloration lens, in the acrylic resin lens with the addition of Pyrex ring ...
Company: Danyang Boris Optical Co., Ltd.
276. The Quality Wholesale Lenses 1.56 Progressive Hmc EMI Optical Lenses Eyewear Lens Resin Lens [Sep 10, 2025]
[Sep 10, 2025] Progressive multifocal lenses are also called progressive lenses, which have multiple focal points on one lens as the name implies. If the lens is divided from the focus, it can be divided into single focus lens, double ...
Company: Danyang Boris Optical Co., Ltd.
277. High Quality Optical Lens Made in China 1.67 Blue Cut Photochromic Resin Lens Manufacturers [Sep 10, 2025]
[Sep 10, 2025] Color changing lens, also known as "photosensitive lens". The glass lens is added with silver halide, but at present the mainstream is resin discoloration lens, in the acrylic resin lens with the addition of Pyrex ring ...
Company: Danyang Boris Optical Co., Ltd.
278. Precision Optical Fresnel Hard Resin Lens Popular Diameter 100mm [May 17, 2023]
[May 17, 2023] What are Fresnel lens? Fresnel lenses are lenses composed of a series of concentric rings. The Fresnel lens construction design allows for large aperture and short focal length with less mass and volume compared ...
Company: DG Optoelectronics Co., Limited
279. Manufacturer 2024 1.56 UV420 Blue Cut Anti Blue Light Photochromic Grey Progressive Resin Optical ... [Sep 10, 2025]
[Sep 10, 2025] Progressive multifocal lenses are also called progressive lenses, which have multiple focal points on one lens as the name implies. If the lens is divided from the focus, it can be divided into single focus lens, double ...
Company: Danyang Boris Optical Co., Ltd.
280. 2020 1.56 Blue Cut Photochromic Grey Resin Optical Lens [Sep 10, 2025]
[Sep 10, 2025] FAQ 1. Could you provide samples? Of course, free samples can be sent to you, but please help us pay the freight fee. 2. What Certification do you have for your optical lens? FDA, CE, ISO9001 certification is ...
Company: Danyang Boris Optical Co., Ltd.
281. 1.56 Resin Lens [Aug 07, 2014]
[Aug 07, 2014] 1.56 resin lens 1. Index: 1.56 2. Material: Resin 3. Coating: HMC 4. Vision effect: Single vision 5. Lenses color: Clear 6. Diameter: 55/70mm 7. Abbe Value: 58 8. Specific gravity: 1.32 9. Semi-finished or ...
282. 1.499 Resin Lens [Aug 07, 2014]
[Aug 07, 2014] 1. Index: 1.499 2. Material: Resin 3. Gravity: 1.31g/cm3 4. Transmission: 92% 5. Vision Effect: Single vision
283. 1.56 Resin Lens (72MM&65MM) [Aug 07, 2014]
[Aug 07, 2014] 1.56 resin lens 1. Material: NT-55 2. Index: 1.56 3. Diameter: 72mm 65mm 4. Coating: HC HMC HMC+EMI 5. Power ranger: Sph 0.00~20.00 cyl 0.00~6.000
284. CR-39 1.499 Resin Lens (70MM 65MM 60MM) [Aug 07, 2014]
[Aug 07, 2014] 1. Material: Resin 2. Index: 1.499 3. Coating: UC 4. Vision effect: Single vision 5. Diameter: 70mm 65mm 60mm 55mm 6. Power range: -6.00/-2D
285. 1.56 HMC Coated Resin Lens [Aug 07, 2014]
[Aug 07, 2014] 1. Raw material: NT-55 2. Index: 1.56 3. Diameter: 70mm 65mm 55mm 4. Color: Clear 5. Coating: HMC 6. Vision effect: Single vision 7. Powere range: Sphere 0.00~8.00 cyl 0.00~6.00
