Introduce what is a copper shading ring and what it does. Hebei Aibuer trading co., Ltd , https://www.ablehardwares.com
Professional copper shade production black
Shading circle introduction:
The blackout ring is used for shading, such as the camera lens blind ring, the camera lens blind ring. A piece of Mylar piece embedded in the lens. Because it plays a shading effect, everyone calls it a blackout ring, a shading pad.
patent:
China's only supplier of brass shutters with ultra-thin precision optical lenses with independent intellectual property rights. Invention patent: ZL201010524396.1
Use the independent innovation technology to be the best partner in the optical lens industry.
working principle:
Its principle is based on the principle of physical phenomena (small hole imaging), the processing requirements are also stricter. Therefore, the requirements for materials also have a higher level of demand.
The company is the only supplier of copper shading ring for ultra-thin precision micro-optical lens with independent knowledge. The material of the company is: brass; through special research and development technology, the blackout ring is specially optically blackened and well-conducted. Scrub, accurate size, thickness up to 0.05-0.10, no light transmission, stable mechanical properties, high temperature resistance, has won the national invention patent, suitable for more than 3 million design cameras, lenses, car, etc., lens upgrade essentials, is PET The ideal replacement product for the product is the best choice for your product upgrade.
basic size:
name
Lens ring
Material:
Imported brass
thickness:
0.05-0.10mm
trademark:
HYC
model:
PT23
specification:
The minimum opening is 0.05mm and the tolerance can be controlled to +-0.007 
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Editor: (Hardware Business Network Information Center) http://news.chinawj.com.cn
What is the blackening of the copper shading circle, what is the role?