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Best way of controlling multiple alpha cameras from desktop (mac) for livestream video


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Hi all,

First time poster here. I have a Sony A7Riii and two A6400s and I'm looking for a neat way of controlling exposure and focus remotely on all 3 cameras whilst using them for livestream video (via the Blackmagic AMP). Ideally, I'm looking for a a solution as elegant as the Blackmagic currently offers in their production studio software where you have all of your cameras lined up on one screen and you're able to quickly change settings on each (see attached image). I realise that I won't be able to colour correct etc. on the sony's but if I can have a similar layout where it is easy to switch quickly between cameras like the BM software where I can perhaps trigger the camera's autofocus or move the flexible spot focus etc. as well as tweak exposure settings, I'll be a happy boy.


I think Imaging Edge "Remote" might be useful but the need to connect via USB is limiting. Any shouts on the best solutions re software or hardware if required?



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    • I mostly see posterization artifacts, which are the result of lossy compressed RAW files (or bad jpeg conversion). Unfortunately, the A6400 doesn't offer uncompressed or lossless compressed RAW. The noise might indeed result from the smaller sensor than what you're used to. If you're not shooting at max aperture, you could try shooting at wider aperture and lower ISO. When you're not shooting at max aperture, fullframe versus APS-C shouldn't matter much in terms of ISO-performance combined with depth of field: at the same ISO and aperture value, fullframe offers better noise performance but with a narrower depth of field. This can be offset by choosing a larger aperture and lower ISO on the APS-C camera. If you want a fullframe camera the size of an A6400, try the A7C(ii).
    • ..unfortunately, the lighting was correct. The shot required deeper shadows. The K1 ff didnt have these banding issues [yes, I know the sensor is larger]. The film shots had details in the same light. The sony files, both the jpg and raw, had this banding/noise - with NO retouch or post adjustments [straight out of the camera]. the camera was purchased new a few years ago and I am trying to determine if there is something wrong, or the settings are wrong, or the camera just cant handle this kind of lighting [studio + softbox]. No shadow detail is one thing... banding/noise in the shadows is unacceptable. Does sony have a body this size that is FF ? Im wondering if that would make a difference..  dw
    • The root causes for banding are uneven lighting, incorrect exposure settings, or compression artefacts or certain kinds of artificial lighting, especially LED lights. Also the lens used plays a role, I have noticed it more with my sharpest lenses, looks like they outresolve the sensor when I have a uniform blue sky. There is more than one solution, and ultimately post-processing, but the root cause has to be identified first.
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