ld_bl

Are we sure it's the same sensor in both cameras. According to your own specs listed on this website, they have slightly different resolution and dimensions.

Leica: 9520 x 6336, Full frame (36 x...

It's the 100mm RF macro, right? Looks like the spherical aberration control is set to plus or minus.

Yeah, I don't think you need to know the camera 100%. You just need to know 100% of the things that are useful to you. For example, I'm not interested in video at all, so I don't know much about ...

Have you tried cleaning the contacts on the mount of the 50mm? That's the only thing I can think of.

The way I see it, the smartphone camera is great for just documenting everyday stuff for me. And the fact that it can now get pictures in near total darkness of my cat cuddled up to me on the couch...

I love using the RF 35mm for portraits. Here's some examples of portraits I've taken of my wife:

I guess because Sigma can't rely as much on in camera corrections as first party lenses (not that there's anything wrong with corrections like that). Sigma has to make their lenses work on multiple...