PMMA Minus Focus Fresnel lens , Focal length 05mm - 330mm

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$112.00
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Features:

Model No.: FLM05-150
Size(mm): 150*100
Focal Length(mm): -5
Material: PMMA
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Fresnel lens,also known as threaded lens, is a sheet made of PMMA material,which is also made of glass.the surface of the lens is smooth on one side and the concentric circles on the other side are small to large.its texture is designed according to the dryness of the light involved in the disturbance and the relative sensitivity and acceptance angle requirements.
Contrary to the positive focus Fresnel lens,the focus and the light are on the same side,usually coated on the surface,used as the first reflective surface.

 

 






 

 

 

Model No.:
FLM05-150
Size(mm):
150*100
Focal Length(mm) :
-5
Material:
PMMA