| Customization: | Available |
|---|---|
| After-sales Service: | Repair for free for any quality problem |
| Warranty: | 1 year |
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| Description | |
| Material: | Schott N-SF57 |
| Schott N-BK7 | |
| Diameter: | 50.80-0.050/-0.112mm |
| Center thickness: | 15.0+/-0.1mm |
| ROC1: | 1743mm,CC |
| ROC2=ROC3: | 42.32mm+/-0.1%,Doublet |
| ROC4: | 56.3mm+/-0.1%,CX |
| Flatness: | S1:3/5(1);2(0.5) in any Dia10mm |
| S2&S3&S4:3/-(1);2(0.5) in any Dia10mm | |
| Surface quality: | S1&S2&S3&S4:5/10X0.1;C10x0.25;L5x0.002;E1 in any Dia10mm |
| Centerness: | 4/2arcmin |
| Clear aperture: | S1:>D39.2mm |
| S2:>D40.5mm | |
| S3:>D40.42mm | |
| S4:>D41.8mm | |
| Chamfer: | S1:<1.0mmx45deg |
| S2&S3&S4:<0.2mmx45deg | |
| Coating: | S1&S4:BBAR coating,Rabs<0.8%@1050-1700nm,AOI:0deg |
| Standard: | ISO 10110 |
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