[TAB:Technical Data]
| Item No | ELS-50/2.8V16K | ||
| Resolution | 40lp/mm | ||
| Focal Length | 50mm | ||
| Magnification | 3.00X | 3.50X | 4.00X |
| Working Distance | 18.03mm | 15.61mm | 65mm |
| O/I distance | 238.70mm | 261.66mm | 285.23mm |
| Working # (fullopen) | 10.3 | 11.52 | 12.73 |
| F/No | 3 | ||
| D O F | +/-0.03 | +/-0.02 | +/-0.02 |
| Distortion | 0.2% | 0.005% | -0.1% |
| Back Focus | 75.55mm | 100.93mm | 126.31mm |
| Format | 62mm | ||
| Filter Thread | M49x0.75 | ||
| Flange Distance | 169.47 | 194.85 | 220.23 |
| Weight | 232.14 | ||
[TAB:Datasheet]
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