Some models allow auto focus in live view mode (without the mirror flips), but this is often a fairly slow process.

一些型号虽然在不改变内部镜片的情况下也可以做到自动对焦，但是通常也是个相对缓慢的过程。

youdao

The DSLR also features live Face Detection mode in Live View shooting.

该相机还具有生活工作面实时取景拍摄的检测模式。

youdao

The image capturing apparatus allows for control of the exposure conditions for acquiring the live view images in accordance with the selected live view display mode.

以及改变单元，用于根据与所选择的显示模式相对应的阈值以及所述差的值，改变用于获取所述实时取景图像的曝光条件。

youdao

When shooting in Live View mode, the Hybrid CMOS AF system enables speedy and accurate autofocus for photos and video.

ENGADGET: Canon unveils EOS T5i and Rebel SL1, the world's smallest DSLR (hands-on)

It had previously used the patent to "produce preview images of acceptable quality" while in live view mode to secure a licensing deal with Samsung.

BBC: Kodak suffers image preview patent ruling setback

While Nikon pioneered HD video in a D-SLR, Nikon is now introducing another industry first to enrich the user experience: The D3100 is the first D-SLR to implement full time AF for D-Movie video shooting and while in Live View mode.

ENGADGET: Nikon D3100 gets real, adds 1080p movie mode with continuous autofocus