optical glass filters

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 ...

Optical glass lens led torch light reflector 50mm glass tir lens of cob 10 degrees When we think of an LED optic, we tend to think of a clear plastic lens that is placed on top of the LED itself to focus or spread the light. If this is your thought process, you’ve gone too far. xp-lLets take a step ...

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, ...

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 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 ...

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 ...

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 ...

ODM/OEM Optical Lens Spherical Telescope BK7 Quartz Optical Achromatic Objective Lenses A convex lens diverges light and curves inward. A convex lens diverges light and curves outward. A convex lens converges light and curves inward. A convex lens converges light and curves outward. Convex lens ...

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 etcDiameter1.5~300mmRadiusR0.8mm-∞Focal length -30000mm~+30000mmCenter thickness tolerance+/-0.01mmDiameter tolerance+/-0.005mmFocal length tolerance +/-1%Surface accuracy N=1~3Irregularity ΔN=0.1~0.5Decenter3''~1'...

customized trial set clear optical lens instrument plano-concave lens transparent optical lens Rod Lenses are a special variant of cylindrical lenses. They are complete rods where the light passes through the sides of the rod and focuses a line. Rod lenses have an outside face that is polished and ...