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Focus is focus is focus, whether for still or video. But the story does not end there. Focal length, aperture, sensor size, circle of confusion, etc., all play a role in determining whether you perceive something to be in focus or not. Here's a link to the math. The long and short of it is that quite often a camera that shoots both stills and video will ...


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If you record speeches that are longer than 30 minutes, the 29m59s limitation of non-video cameras is going to drive you crazy, despite all the other wonderful things they can do. Interviews can be broken up every 30 minutes. Speeches not. If you have ambitions to encompass art projects with your camera, the interchangeable lens feature of the SONY camera ...


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IME, 0.0036% is rather better than average. Consumer gear operates on quite inexpensive crystal oscillators. These oscillators or crystals are not tuned precisely (or they would cost too much), and they don't have extraordinary stability over temperature ranges. Professional gear uses special techniques to keep audio and video gear in synchronization. ...



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