Questions and answers to the Sony SLT development team (Photoclubalpha)
Kevin Barret had the unique chance to interview the Sony SLT development team. You can read the post at Photoclubalpha (Click here)!
Some interesting notes:
– “It’s not impossible to include Manual Exposure control for video, however we chose not to include it in these models because of some basic limitations to Aperture and Shutter speed adjustment when any camera is recording video. Specifically, there is a limit to the range of shutter speeds that are appropriate for 30P capture – practically, it can’t be much longer than 1/60 sec or much shorter than 1/250 – so we chose not to include Shutter priority. There’s much more creative freedom in Aperture Priority, which the cameras do provide. However, Phase Detect AF has certain minimum aperture requirements (typically f/5.6), so Aperture Priority defaults to Manual AF to allow a wide range of aperture adjustment.”
– Because phase detect AF relies on a fairly wide max aperture (in all DSLRs), these cameras’ exposure control system defaults to the lens’ max aperture during video recording with AF. We understand that this might be a challenge when using very wide aperture lenses under very bright conditions, but the typical use of these models will be variable aperture zoom lenses.
-The sensor outputs 30P and the data is recorded in 1920×1080 60i so as to be compatible with the AVCHD codec. However, 30P recording in MP4 is available as well. The max data rate of 24Mbps (theoretical limit of AVCHD) is not offered, as these models are primarily still cameras.
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. Feel free to comment this post if you find the camera in Stock elsewhere! Thanks!
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