This is one in a series of posts on the Sony alpha 7 R Mark IV (aka a7RIV). You should be able to find all the posts about that camera in the Category List on the right sidebar, below the Articles widget. There’s a drop-down menu there that you can use to get to all the posts in this series; just look for “A7RIV”.
I was asked under what conditions the a7RIV uses 12-bit precision. Here’s my answer:
- uncompressed: 14-bit precision
- compressed continuous: 12- bit precision
- compressed otherwise: 13-bit precision
There’s a twist, though:
- LENR on: 12-bit precision, even uncompressed
Here’s the smoking gun on that last one. Eight-second exposure of the back of the body cap, file mode set to uncompressed, drive mode single shot: