Jiangsu Profile
Product List
8581. Cr39 Round Top Bifocal Hc 70/28mm Optical Lens 
[Oct 25, 2023]
[Oct 25, 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.
8582. Cr39 Bifocal Round Top UC 70/28mm Optical Lens [Oct 25, 2023]
[Oct 25, 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.
8583. Xrf RoHS Analyzer by Edxrf Spectrometer [Oct 13, 2023]
[Oct 13, 2023] Product Description Instrument introduction EDX1800B is the most popular model for RoHS and Halogen free testing instrument; it used the USA Spellman HV and High power Copper Tube, equipped with USA famous brand high ...
Company: Jiangsu Skyray Instrument Co., Ltd
8584. 1.56 Photochromic Progressive Pgx Lenses Eyeglasses Lens Hmc Optical Lens [Sep 22, 2023]
[Sep 22, 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.
8585. 1.49 UC 65mm, Optical Lenses, Spectacle Lenses, Ophthalmic Lens, Cr39 Lenses, Uncoated Lenses [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.
8586. High Index 1.67 Mr-7 Blue Cut Semi Finished Hc Eyeglasses Blue Blocking Optical Lenses [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.
8587. 1.61 UC Acrylic Semi Finished Single Vision Optical Lenses Eyewear Lens Plastic 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.
8588. High Index 1.67 Mr-7 Blue Cut Semi Finished Hmc Eyeglasses Blue Blocking Optical Lenses [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.
8589. Middle Index 1.56 Semi Finished Progressive Photo Grey Blue Block Hc Optical Lenses [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.
8590. Spectacles Lens Middle Index 1.56 Bifocal Round Top Photo Grey Hmc Eyeglasses Optical Lenses [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.
8591. 1.56 Progressive Blue Cut Photo Grey Hmc EMI Optical Lenses 75mm Hot Sale [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.
8592. Spectacles Lens High Index 1.71 Hard Multi Coating Asp UV400 EMI Eyeglass Optical Lenses [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.
8593. 1.56 Plus Power Lenticular Blue Block Hmc EMI Optical Lenses China Hot Sale [Sep 11, 2023]
[Sep 11, 2023] The beauty thin lens is through the beauty thin technology, that is, the assembly master grinding and polishing the thick side of the lens through the edge grinding machine and polishing machine, so that the lens looks ...
Company: Danyang Boris Optical Co., Ltd.
8594. 1.49 Bifocal Flat Top Hmc Optical Lenses Spectacle Lens Good Quality Danyang Lens [Sep 11, 2023]
[Sep 11, 2023] 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.
8595. 1.61 Hc Acrylic Semi Finished Single Vision Optical Lenses High Quality Danyang Lens [Sep 11, 2023]
[Sep 11, 2023] Semi-finished lenses are ready-to-wear lenses that can be used directly without any additional processing. They are made of lenses that have been cut to the desired size and shape. The semi-finished lenses are typically ...
Company: Danyang Boris Optical Co., Ltd.
