Jiangsu Profile
Product List
5746. Newest Product Cr39 1.56 Nk55 Bifocal Blended Invisible Blue Block Anti Blue Light Hmc Eyewear 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.
5747. 1.499 Short Corridor 14mm Progressive Hmc Optical Lens China Manufacture [Sep 10, 2025]
[Sep 10, 2025] BORIS OPTICAL is one of the most Potential Finished and Semi-Finished Optical Lenses factory located in Danyang City, China. It was establish in 2012 with covering 20000 spm and 150 employees. The annual ...
Company: Danyang Boris Optical Co., Ltd.
5748. Middle Index 1.56 Photogrey Lens Photochromic Brown Hmc Eyeglasses Optical Lenses Hot Sale [Sep 10, 2025]
[Sep 10, 2025] The main feature of photochromic lenses is that they can darken and lighten in response to different light conditions. When exposed to ultraviolet light, usually from natural sunlight, a chemical reaction darkens the ...
Company: Danyang Boris Optical Co., Ltd.
5749. Cr39 Flat Top Bifocal Hmc 70/28mm Optical Lens [Sep 10, 2025]
[Sep 10, 2025] 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.
5750. Index 1.56 Cr39 Photogrey Optical Lens Photochromic Photo Grey Hmc Spectacle Eyeglasses Lens [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.
5751. 1.49 UC Semi Finished Single Vision Optical Lenses Plastic Lens Good Quality 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.
5752. Single Vision Blue Block Lens 1.56 UV420 Blue Cut Coating Photochromic Photo Gray/Brown Optical ... [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.
5753. Cr39 1.499 D Top Flat Top Bifocal Hmc 70/28mm Optical Lens [Sep 10, 2025]
[Sep 10, 2025] 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.
5754. Cr39 Bifocal Round Top Hmc 70/28mm Optical Lens [Sep 10, 2025]
[Sep 10, 2025] 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.
5755. Wholesale Customized Acrylic Bk7 Glass Dome Lens for Underwater Camera [Jun 06, 2022]
[Jun 06, 2022] Optical Dome made from kinds of optical materials, for examples, Optical Glass, Fused Silica, Sapphire, Si, etc. We have more than 20 different sizes of high quality optical dome (dome lens) in our catalog. They are ...
Company: Nanjing Precision Optics Co., Ltd.
5756. Best Quality Custom IR Germanium Infrared Lens (Ge Lens) [Jun 06, 2022]
[Jun 06, 2022] An aspheric lens is a lens whose surface profiles are not portions of a sphere or cylinder. In photography, a lens assembly that includes an aspheric element is often called an aspherical lens. The asphere's more ...
Company: Nanjing Precision Optics Co., Ltd.
5757. Optical Glass Coated Infrared Znse Zinc Selenide Lens [Jun 06, 2022]
[Jun 06, 2022] An aspheric lens is a lens whose surface profiles are not portions of a sphere or cylinder. In photography, a lens assembly that includes an aspheric element is often called an aspherical lens. The asphere's more ...
Company: Nanjing Precision Optics Co., Ltd.
5758. Concave-Convex Aspheric Glass Imaging Distortion Laser Scanning Collimator Lens [Jun 06, 2022]
[Jun 06, 2022] A Laser Scanning Collimator Lens aspheric lens is a lens whose surface profiles are not portions of a sphere or cylinder. In photography, a lens assembly that includes an aspheric element is often called an aspherical ...
Company: Nanjing Precision Optics Co., Ltd.
5759. Achromatic Dome Lens Focal Length for Optics Instruments [Jun 06, 2022]
[Jun 06, 2022] An Achromatic Dome aspheric lens is a lens whose surface profiles are not portions of a sphere or cylinder. In photography, a lens assembly that includes an aspheric element is often called an aspherical lens. The ...
Company: Nanjing Precision Optics Co., Ltd.
5760. Spherical/Aspherical Custom Lens, Optical Lens Manufacturer [Jun 06, 2022]
[Jun 06, 2022] An aspheric lens is a lens whose surface profiles are not portions of a sphere or cylinder. In photography, a lens assembly that includes an aspheric element is often called an aspherical lens. The asphere's more ...
Company: Nanjing Precision Optics Co., Ltd.
