What is Threaded Lens/Positive Fresnel Lens/Negative Fresnel Lens
Price
Purchase Qty. Reference FOB Price
50-99 Pieces US$10.00
100-499 Pieces US$8.00
500+ Pieces US$5.00
Sepcifications
- After-sales Service One Year
- Warranty One Year
- Usage Lighting, Medical, Optical, Photography
- Material Optical Glass
- Certification RoHS, ISO9001, CE
- Customized Customized
- Transport Package Cartons or Wood Case
- Specification 12.7mm/25.4mm/50.8mm or custom manufacturing
- Trademark Raytek
- Origin China
- Surface Quality 40-20 Scratch-Dig or Custom Manufacturing
- Surface Flatness Lambda/10 at 632.8nm with Power Removed
- Coating Type Dielectric Coating
- Wavelength Range 488-694 Nm/700-950nm
Product Description
Product Description:Fresnel lens, also known as threaded lens, is mostly a thin sheet made of polyolefin material, and also made of glass. One side of the lens surface is smooth, and the other side is engraved with concentric circles from small to large. , its texture is designed according to light ...
