Jiangsu Profile
Product List
5761. Ge Concave-Convex Aspherical Spheric Infrared 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.
5762. Manufacturer 1.56 Round Top Bifocal 70/28mm Hmc 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 ...
Company: Danyang Boris Optical Co., Ltd.
5763. 1.56 Single Vision Hmc Optical Lens 60mm [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 production ...
Company: Danyang Boris Optical Co., Ltd.
5764. Cr-39 1.56 Hmc Anti-Reflective Ar Coating Optical Lens [Feb 10, 2022]
[Feb 10, 2022] Products Details: Danyang River Optical Co,. Ltd. Danyang River Optical Co., Ltd. is a ONE-STOP SERVICE manufacturer and trader of lens cloth, lens clean spray, optical lenses, ...
Company: DANYANG RIVER OPTICAL CO., LTD.
5765. 1.56 Bifocal Flat Top Photo Grey Safety Lens Hmc 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.
5766. 1.49 UC 65mm, Optical Lenses, Spectacle Lenses, Ophthalmic Lens, Cr39 Lenses, Uncoated Lenses Hot ... [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.
5767. Cr39 D Top Flat Top Bifocal Hc 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.
5768. Cr39 Blended Invisible 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.
5769. Cr39 Round Top Bifocal Hc 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.
5770. Cr39 Blended Invisible Bifocal UC 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.
5771. Cr39 Invisible Bifocal UC 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.
5772. Cr39 1.499 Blended Invisible Bifocal Hc 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.
5773. Cr39 1.499 Blended Invisible Bifocal UC 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.
5774. Cr39 1.499 Invisible Bifocal Hc 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.
5775. Cr39 Bifocal Round Top UC 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.
