Jiangsu Profile
Product List
6001. 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.
6002. 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.
6003. 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.
6004. 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.
6005. 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.
6006. Blue Light Blocking Lenses for Glasses 1.56 UV420 Blue Cut Photochromic Hmc Optical Lenses Eye Blue ... [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.
6007. High Precision Factory Customize Optical Glass Fresnel 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
6008. Cr39 1.499 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.
6009. Manufacturer 1.56 Flat Top Bifocal Hmc Optical Lens 70/28mm [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.
6010. Cr39 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.
6011. OEM Optical \Optics\CCTV\Camera \Glasses \Sapphire\Glass\Fresnel\PIR Sensor\LED \Resin \Lens [Dec 02, 2021]
[Dec 02, 2021] Company introduction Nanjing Cui's Optical Instrument Co., Ltd. was established in 2003. Is specialized in optical instrument. The company focuses on manufacturing various high precision tailor-made optical lenses. ...
6012. 1.56 Progressive Optical Lens Hmc (Regular Corridor & Short Corridor) [Apr 12, 2018]
[Apr 12, 2018] Progressive lenses are lenses with multiple vision fields which allow the smooth transition of many lens power for all distances and are used mainly to correct presbyopia. Understanding the aesthetic needs of wearers, ...
Company: Jiangsu Optimum Optics Co., Ltd.
6013. Cr39 1.499 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.
6014. Cr39 1.49 1.56 1.59 1.61 1.67 1.70 1.74 Single Vision Hc Hmc EMI UV Optical Lens Hot Sale [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.
6015. 1.90 Index Glass 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.
