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Ball/half -ball lens

Nanjing April Optics can make ball/half ball lens according to customer drawings.

Quantity:

Ball lens:


Specification: 


 1. Diameter:  Φ1-Ф40mm;

 2. Diameter tolerance: ± 0.001 / 0.0025 / 0.005 / 0.01 (and zero error ball on the micron level);

 3.  Out of roundness:  ≤0.001 (and zero error sphere on the micron level);

 4. Smoothness:  60/40, 40/20, 20/10

 5. Materials: JGS1, BK7, H-K9L, sapphire and other optical glass.


 Half-balls lens: 

 1. Diameter Φ1-Ф40mm; 

 2. Center thickness tolerance: ± 0.05mm; outer diameter tolerance ± 0.05mm; 

 3. Materials: fused silica, BK7, H-K9L, sapphire and other optical glass 

 4.  Light transmittance ≥92%, high temperature resistance above 300 ℃; 

 5.  Surface Quality:  60/40

 6. There are polished rounded corners of R0.1-0-R0.2 on the edge of the lens to prevent lens damage during packaging.


PS:  different sizes can be processed according to customer drawings.

"Quality first, customer first, development and innovation"
Nanjing April Electro-Optics Ltd. founded in 2012, is specialized in high-precision cold processing of crystal materials, with sapphire, quartz and optical glass as raw materials. Core products including window, lens, crystal rod, prism, ball, filter, cylindrical mirror, ball cover, and so forth. 

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