Jiangsu Profile
Product List
5656. 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.
5657. 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.
5658. Good Quality 1.49 Flat Top Cr39 Lens Finished Bifocal Vision Optical Lens [Feb 27, 2024]
[Feb 27, 2024] Product Description 1.49 flat top bifocal optical lens Product Parameters Place of Origin Jiangsu, China Type Two-piece Brand Name zhongyi Model Number 1.49 bifocal flat top Lenses Material Resin Vision ...
5659. 1.49 Light Grey Lens Polarized Sunglasses Eyewear Lens China Hot Sale [Feb 20, 2024]
[Feb 20, 2024] Product Description 1.49 single vision Polarized light grey optical lens Product Parameters Place of Origin Jiangsu, China Diameter 75mm Model Number 1.49 sv polarized grey Lenses Material Resin ...
5660. 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.
5661. 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.
5662. 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.
5663. 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.
5664. 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.
5665. 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.
5666. 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.
5667. 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.
5668. 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.
5669. 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.
5670. Cr39 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.
