Basic parameters materialsBK7,quartz,or other optical glassdiameter0.5-100mmradiusR0.2mm-∞ Center thickness tolerance±0.005diameter tolerance±0.005focal length tolerance±1%surface accuracyλ/[email protected]''surface qualityBetter than......
| materials | BK7,quartz,or other optical glass | 
| diameter | 0.5-100mm | 
| radius | R0.2mm-∞ | 
| Center thickness tolerance | ±0.005 | 
| diameter tolerance | ±0.005 | 
| focal length tolerance | ±1% | 
| surface accuracy | λ/[email protected] | 
| deviation | 20'' | 
| surface quality | Better than10/5 | 
| coating | based on customer's needs | 
| application area | Medical endoscope, industrial endoscope, industrial lens, etc. | 







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