A7s Low Light Footage from Matthew Allard ACS on Vimeo.
Readers keep sending me new A7s tests. So here are three videos and at the very bottom an interesting A7s ($2,500) vs Nikon D4s ($6,500) comparison.
Sony A7s test Geco from geco campos on Vimeo.
Handle with Care: Sony Alpha a7S Camera | YAK FILMS
Dpreview added the Sony Alpha 7S to the test scene comparison tool
A Chinese review at dc.it168.com compares A7S and D4S high iso quality. Both save as RAW, D4S is 14bit lossless compressed, uses ACR 8.5 encoding as default setting:
ISO 1600 comparison image (Click here).
ISO 3200 comparison image (Click here).
ISO 6400 comparison image (Click here).
ISO 12800 comparison image (Click here).
ISO 25600 comparison image (Click here).
ISO 51200 comparison image (Click here).
ISO 102400 comparison image (Click here).
ISO 204800 comparison image (Click here).
ISO 409600 comparison image (Click here).
A7s Store links:
Sony A7s preorder in USA/CA at Amazon, Adorama, BHphoto, Sony USA, Sony Canada.
Sony A7s EU pages: Sony DE, UK, ES, FR, IT, NL, BE, AT, CH, SE, NO, FI, PL. And Wex UK.