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supply ultra-thin magnifying glass card magnifier fresnel magnifying glass (special sample link)

EXW Price: Min. order:

CN¥ 0.5
≥ 500 piece

CN¥ 0.47
≥ 10000 piece

CN¥ 0.45
≥ 50000 piece

500 piece

Weight 0.005 kg/piece
Item No. 762541001910

specifications

Specifications

85x 55mm	CN¥ 0.0
thickness approximately 0.5mm	CN¥ 0.0

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Description

origin: zhejiang, china

import or not: no

customized processing: yes

magnification: 3 times

brand: aomeiya

model: am802

type: ultra-thin magnifying glass

effective diameter: 75x25(mm)

material: pvc

packing quantity: 5000

fresnel lenses are made of pvc materials according to the principle invented by french optical physicists fresnel. the surface of the lens (0.45-0.5mm thick) burns a circle of concentric circles from small to large, outward from shallow to deep, which looks serrated from the profile. there are many circular lines and the dense sensing angle is large, and the focal length is far; the deep sensing distance recorded by the circular line is far, and the focal length is close. several concentric rings in the same row form a vertical sensing area, and a horizontal sensing section is formed between concentric rings. the more the vertical sensing area is, the greater the vertical sensing angle is; the longer the lens is, the more the sensing section is, the greater the horizontal sensing angle is.

Update time：20260613144155