With Phase-Detection AF in a SLT cameras
With Sony’s Translucent Mirror Technology, moviemakers’ persistent concern about maintaining consistent, accurate focus on moving objects is no longer a worry. Advanced performance in a SLT Interchangeable Lens Cameras enables high-speed TTL phase-detection AF at all times, allowing you to conveniently create professional-looking movies. This means that even as moving subjects get closer, its speed, precision, and continuous AF will enable your movies to stay sharp and with flawless focus.
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With Contrast-Detection AF in regular DSLR cameras
While shooting movies, you can easily lock your exposure with the AEL button, and even apply exposure compensation to your Full HD video. Aperture and ISO control are automatic, but you can get more creative control by setting the AF area to Local, which enables you to switch to various focus points on the scene.
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