聚焦系统
| 最大光圈 |
16 |
| 光阑叶片数量 |
8 |
| 组件应用 |
SLR |
30mm F1.4 EX DC HSM Pentax
This Sigma 30mm F1.4 EX DC HSM lens, built for professional use, is a high quality prime lens suitable for professional use delievering outstanding optical performance for the discerning photographer. As a large aperture standard lens for digital cameras with a fast 1.4 aperture makes handheld shooting in dim light possible. 30mm corresponds to the diagonal of the imaging sensor found on most small ship cameras and as such, functions as a “normal” lens closely replicating the human eye’s field of vision.
- For use with smaller chip APS-c and 4/3 cameras only
- HSM (Hyper-Sonic Motor) ensures a quiet & high-speed auto focus
- Aspherical glass elements offer correction for distortion
- Special Low Dispersion (SLD) & ELD (Extraordinary Low Dispersion)glass provides optimum color correction & sharpness
- A lens hood, front/rear lens cap and carrying case are included with the lens.