Jiangsu Profile
Product List
5806. 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.
5807. 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.
5808. 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.
5809. High Quality Round Concave Optical Glass Bk7 Lenses Plano Concave 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.
5810. Jz Optical Cementing Doublet Plano Convex Concave with Coating Collimating 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.
5811. 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.
5812. 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.
5813. 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.
5814. 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.
5815. 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.
5816. 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.
5817. Optical Infrared Aspheric Lenses [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.
5818. 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.
5819. 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.
5820. 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.
