用较大的光圈，感光器能够捕捉更多的光线，有助於避免模糊而启用更快的快门速度。. 它还提供领域深浅，让您背景模糊，聚焦关注於景像。. 有园形光圈叶片. Canon EF 16-35mm f/2.8L II USM. 类似於光圈叶片的数量，园形刀片影响光线通至感光器上的方式。. 园形刀片 Canon EW75II Lens Hood for Canon EF 20 f/2.8 & EF 20-35mm f/2.8L SLR Lens dummy (Canon EW-83H Replacement) Altura Photo LH-83H Lens Hood for Canon EF 24-105mm f/4L is USM Lens (I have the 20-35mm L, 28-70mm L and the 70-200 L) and (2) it was $600 leass than the newer 16-35mm that replaces it. So I conducted an in-depth comparison between the 17-35mm, 20-35mm, and 28-70mm lenses. Canon EF 16-35mm f/2.8L ll USM Zoom Lens for Canon EF Cameras (Renewed) $889.98 & FREE Shipping. Details. (18) Works and looks like new and backed by the Amazon Renewed Guarantee.
The Canon EF 16-35mm f/2.8 L USM lens offers outstanding results in a fantastically built casing. With impressive low light performance, the f/2.8 opens up new options for tricky light situations. Part of the prestigious L series lenses, it really is perfect for anyone looking to raise their game.
\n \n\n canon ef 16 35mm 2.8 l usm
What your seeing is normal for a USM lens with mechanical AF override. The focus ring will continue turning 360 degrees. Have you ever used an EF Mount USM lens. Almost all of them work this way. Micro Motor USM lenses DO NOT support MF override. Except the EF 50mm F/1.4 USM lens. It has an additional clutch system to allow MF override just . 422 741 507 798 536 583 270 945

canon ef 16 35mm 2.8 l usm