Hi guys,
I've been testing a lot the a7s in low light and I've ran into some purple noise issue coming from the sensor. Sony canada is pretty useless about that...
https://www.youtube.com/watch?v=zpvACzU1Nj0&feature=youtu.be
I've tested it with 5 different A7s, they all do the same...In video mode, going under 1/50th with iso higher than 12 800, always give me that purple fringing (not as bad as the youtube video...witch is at the worst setting, but still, it's a bit frustrating) Technically, i know it doesn't respect the 180degree rule going under 1/50th for 24p/25p...but it could be useful is certain situation.
At first, they blame the metabones ...just like everyone (ex: