光谱透射率所有的总摄影师们都表示了拥有最快速镜头的愿望,而且还要和其它重要的成像性能相配合,包括对柔和色彩细微差别的还原能力,然而这正是标准的HD镜头———数字摄影机似乎达不到的。在使用大光圈时,保持整个成像面有适宜的光线是电影摄影师们的又一个愿望。这些要求都 Spectral transmittance All the chief photographers expressed the desire to have the fastest lens, but also with other important imaging performance, including the ability to restore the nuances of soft colors, but this is the standard HD lens - - Digital cameras do not seem to reach. When using a large aperture, it is another desire of the cinematographers to keep the entire imaging plane in the right position. These requirements are all