What's "CA"?
I can maybe guess, but I thought asking would be better.
What's "CA"?
I can maybe guess, but I thought asking would be better.
As linked above Chromatic Aberration. In this case the out of focus white bits of fur next to the out of focus black bits have an out of focus green tinge between them. This makes the lens useless for any shots with significant dynamic range. The lighting was flat enough to let me get away with it.