Jiangsu Profile
Product List
4756. Fresnel Lens Negative/Positive Focal Length Optical for Customized 
[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
4757. Customization High Performance IR Optical Molding Aspheric Glass Lens Ld Coupling Aspheric Lens [Jun 06, 2022]
[Jun 06, 2022] An aspheric Coupling 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 ...
Company: Nanjing Precision Optics Co., Ltd.
4758. Chalcogenide Glass Optical Infrared Aspheric Plane Concave Germanium Ge Lens for Vehicle Security ... [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.
4759. 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.
4760. 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.
4761. 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.
4762. 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.
4763. 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
4764. 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.
4765. 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.
4766. 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. ...
4767. 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.
4768. 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.
4769. 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.
4770. 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.
