Fixes a phenomenon in which the aperture exhibits abnormal movement when shooting movies in manual exposure mode and aperture Priority AE (Av mode) using some Canon lenses (such as macro lenses).

修正了相机于手动或光圈先决模式拍片时，镜头光圈出现异常动作的问题(如微距镜头)。

youdao

Program AE, Aperture Priority, Shutter Priority and Manual exposure modes.

程序ae，光圈优先，快门优先和手动曝光模式。

youdao

Programmed auto exposure, Aperture Priority Auto and Shutter Priority Auto, Manual exposure. ; AE lock.

自动曝光，程序自动曝光P（可进行程序微调），光圈优先（A），快门优先（S），手动曝光（M）

youdao

It also features a mode dial for swift, effortless setting of 10 different shooting modes - ranging from the hands-off Auto Picture and the all-purpose Programmed AE, to the more creative Aperture-priority AE, Shutter-priority AE and Metered Manual.

ENGADGET: Pentax launches brass-bodied MX-1 point-and-shoot: 12MP with 4X zoom (update: now with hands-on photos)