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Senba Sensing Technology Co., Ltd.
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Product Name: Fresnel Lens 10

Product Details
Brief DescriptionFresnel Lens
Place of Originchina
BrandSenba
Special FeaturesFresnel Lens
Payment and Shipping Terms
Fob Price0.01  -  0.8  USD
Payment TermsT/T
Min. Order Quantity1000
UnitSet/Sets
Delivery Time3-5 days
Packaging Detailscarton

Detailed Product Description
 
Fresnel lens, also known as threaded lens, plastic fresnel lens is mostly made of polyolefin material, the surface of the lens is smooth, and the other side is filled with concentric circles from small to large. Its texture is designed to utilize the interference of light and to be based on relative sensitivity and acceptance angle requirements. The quality requirement of the lens is very high. A good lens must have a smooth surface, clear texture.
There are two functions of large plastic fresnel lens: one is the focusing effect; the other is to divide the detection area into several bright and dark areas, so that the moving object entering the detection area can produce the change of heat release on the PIR in the form of temperature change.

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