聚焦系统
| 最大光圈 |
22 |
| 光圈范围 |
2.5 - 22 |
| 最近聚焦距离 |
0.5 m |
| 非球面元件数目 |
1 |
| 最小光圈 |
2.5 |
Summarit-S 1:2,5/70 mm ASPH.
This standard lens, available with or without a central shutter, gives priority to top imaging performance for all applications. In addition to an aspherical surface, special glass with anomalous partial dispersion or high refractive power is used. Focusing combined with a floating element provides consistent high contrast performance through the entire working range, from close-up to infinity.