Jiangsu Profile
Product List
4876. 1.49 Round Top Bifocal UC 70/28mm Resin Lens/Optical Lens 
[Sep 11, 2023]
[Sep 11, 2023] 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.
4877. 70mm UC Cr39 1.499 Single Vision Optical Lens [Sep 11, 2023]
[Sep 11, 2023] 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.
4878. 1.61 Single Vision Hmc UV420 Blue-Block Optical Lens [Sep 11, 2023]
[Sep 11, 2023] What Is Blue Light? Sunlight contains red, orange, yellow, green and blue light rays and many shades of each of these colors, depending on the energy and wavelength of the individual rays (also called ...
Company: Danyang Boris Optical Co., Ltd.
4879. Progressive Cr39 1.499 Regular Corridor 17mm UC Optical Lens [Sep 11, 2023]
[Sep 11, 2023] 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.
4880. 1.56 Photochromic Grey Flat-Top Hmc Optical Lens [Sep 11, 2023]
[Sep 11, 2023] 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 ...
Company: Danyang Boris Optical Co., Ltd.
4881. 1.56 Photochromic Grey Round Top Hc Optical Lens [Sep 11, 2023]
[Sep 11, 2023] 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.
4882. M-Index 1.56 Single Vision Hmc 70/65mm Optical Lens [Sep 11, 2023]
[Sep 11, 2023] 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.
4883. M-Index 1.56 Single Vision Asp Hmc 70/65mm Optical Lens [Sep 11, 2023]
[Sep 11, 2023] 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.
4884. M-Index 1.56 Single Vision Hmc UV420 Blue-Block 70/65mm Optical Lens [Sep 11, 2023]
[Sep 11, 2023] What Is Blue Light? Sunlight contains red, orange, yellow, green and blue light rays and many shades of each of these colors, depending on the energy and wavelength of the individual rays (also called electromagnetic ...
Company: Danyang Boris Optical Co., Ltd.
4885. 1.56 Photochromic Grey Hmc 70/65mm Optical Lens [Sep 11, 2023]
[Sep 11, 2023] 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.
4886. 1.56 Photochromic Grey Fast-Change Hc 70/65mm Optical Lens [Sep 11, 2023]
[Sep 11, 2023] 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.
4887. Cr39 1.499 Round Top Bifocal Hmc 70/28mm Optical Lens [Sep 11, 2023]
[Sep 11, 2023] 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.
4888. Cr39 1.499 Invisible Bifocal UC 70/28mm Optical Lens [Sep 11, 2023]
[Sep 11, 2023] 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.
4889. Cr39 1.499 Invisible Bifocal Hmc 70/28mm Optical Lens [Sep 11, 2023]
[Sep 11, 2023] 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.
4890. 1.49 Cr39 Sunglasses Photochromic Optical Plastic Lens [Sep 11, 2023]
[Sep 11, 2023] 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.
