quartz optical glass lens

Dome Infrared Fresnel Lens Led Module 80mm Aacrylic pc Big Underwater Camera Lens For PIR Motion Module Fresnel lenses consist of a flat surface with interspaced, concentric steps whereby each step corresponds to the surface of a conventional lens. Each step thereby acts as a refractive surface, ...

Customized Optical Sapphire Polycarbonate Fresnel Clear Dome Led Lens 1. Reasonable price and brilliant quality. In China, there are many glass manufacturers and traders, there's a big competition in this area. Under this situation, we can not guarantee you the lowest price, but we absolutely ...

Wholesale series achromatic doublet cemented focusing lens telescope true sapphire ball lens Specification Cemented lens: The cemented lens is also called an achromatic lens, which is formed by cementing two single lens elements. The performance of multi-color (white light) imaging is much higher ...

Customized Laser Cutting Lens Spherical Optical Lens Laser Protective Windows BK7 Glass Lens Custom-made all kinds of shape glass laser protective window plate Window Besides standard windows,we can offers all kinds of custom-made windows according to customers request windows made from material ...

Optical glass BK7 50mm 60mm Protective dome lens for camera photography • Domes make it better - Domes help correct aberrations that occur when light travels thru water as opposed to air. Domes can deliver better results compared to flat ports, and also make it easier or possible some results that ...

43mm Optical lenses protective dome ball and half ball lenses glass cover used for underwater photography Concave lenses, are a simple lens with one spherical face and one flat plano face. Because the spherical face is concave the lens has a negative focal length, allowing the part to increase the ...

High Precision Wholesale Aspheric K9 Glass Positive Meniscus Optical Display Lens Suppliers Specification Materials BK7 or other optical glass,quartz,sapphire,Ge,Si,ZnSe,CaF2 etc Diameter 1.5~300mm Radius R0.8mm-∞ Focal length -30000mm~+30000mm Center thickness tolerance +/-0.01mm Diameter tolerance ...

Google cardboard VR lenses 25mm 3D biconvex lens 45mm optical design Focal Length focus single vision lens Specification Basic product information 1. material: made of 100% high transparent acrylic 2. color&size:as required 3. use for:optical lens for google cardboard VR 4. logo: can be customized ...

Factory Direct Sales 2-250mm High Hardness Plano-Concave Lens for Optical Cylindrical lenses are designed to focus light into a straight line, rather than to a single point. As the name suggests, the lens surface has a cylindrical shape rather than the usual spherical which allows for one dimensiona...

Specification Materials BK7 or other optical glass,quartz,sapphire,Ge,Si,ZnSe,CaF2 etc Diameter 1.5~300mm Radius R0.8mm-∞ Focal length -30000mm~+30000mm Center thickness tolerance +/-0.01mm Diameter tolerance +/-0.005mm Focal length tolerance +/-1% Surface accuracy N=1~3 Irregularity ΔN=0.1~0.5 ...

Hot Selling Cheap Laser Protective Window Lens Znse Lens Germanium Lens We provide color glass filters for a wide range of fields such as cameras, optical instruments, physics and chemistry, educational materials, industrial and medical, with spectral characteristics and size according to your ...

High quality optical lenses dome 80mm clear domed lenses glass cover for digital camera We can provide clients with a customized LED source. Products are applied to commercial lighting, home lighting, industrial lighting, landscape lighting, Automotive lighting, Display, Special lighting, and other ...