WOW what a game changer A7s

Started Apr 6, 2014 | Discussions thread
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Re: WOW what a game changer A7s
In reply to Siobhan A, Apr 7, 2014

Siobhan A wrote:

neil holmes wrote:

I see a lot of lower level video pros having both an A7s AND a GH4.

Would not GH4 owners instead use the F/.095 lenses instead or F/1.2 lens and metabones adapters? The GH4 appears to use higher bit rates and output at 4K with out a recorder. The GH4 internal output is the equivalent of -can be converted to- 10 bit 1080p 4:4:4 while the A7s is only 1080p 4:2:0 and 8 bit. I am finding some very interesting articles on all this.

I use a GH3 with Voigtlander f0.95 lenses, and even then, you don't really want to go over ISO 1600 because of the rapidly increasing noise thereafter.  The Gh4 is purportedly about one stop better in terms of noise; but watch the Sony A7s demo in 4k.  Clean ISO 5000 and 12,500.  It's just amazing.  And the dynamic range and clarity lords it over the GH3.

Many videographers praise the Canon C series for their very high ISO capabilities, and the A7s looks like it will compete at that level.

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