Product or Service
Profile:Manufacturer - Producer|Ref:PSL154446YH | Country: China | Currency: usd | Export: Yes
Two different radius are in everyone surface. Two surface are both so that.
Single lens with both surfaces are complex surface.Or two surfaces of the lens with composite concentric annular and many focus of complex surfaces,
Material:UV-grade fused silica
Centration:1 arc min
Surface quality:60—40scratch and dig
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