| Customization: | Available |
|---|---|
| Usage: | Lighting, Medical, Optical, Photography, Astronomy |
| Type: | Achromatic Lenses |
|
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| Items | Description |
|
| Achromatic Lenses | Material: | Schott N-BK7 |
| Schott N-SF5 | ||
| Diameter: | 152.4+0.0/-0.1mm | |
| Focal length: | +1500mm+/-3%@700-900nm | |
| Flatness: | S1&S2&S3&S4:PV<1/4L@633nm per 100mm | |
| Surface quality: | S1&S2&S3&S4:60-40 | |
| Centerness: | <3arcmin | |
| Clear aperture: | >90% | |
| Chamfer: | protected | |
| Coating: | S1&S4:AR coating,Ravg<0.5%@700-900nm,AOI:0deg | |
| Standard: | MIL-PRF-13830B | |
| Control items | Inspection instrument/method | |
| Dimensions: | Mitutoyo Vernier caliper and micrometer | |
| Surface quality: | Naked eye test& 15W LED cold light | |
| Flatness: | ZYGO interferometer | |
| Centerness: | TRIOPTICS centration measurement or CPG customized instrument | |
| Chamfer: | Magnifier X10& naked eye test | |
| Coating: | Agilent Cary 7000 | |
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