I recently bought a used PanaLeica 15mm f/1.7, and I'm trying to figure out if my lens is a bad copy. In the first photo I noticed some fringing of the buildings in the background. And in the other photos everything seemed to be quite soft much more noticeable at 100% crop, at least compared to my 42.5mm f/1.7.

15mm f/1.7 1/8000

15mm f/1.7 1/1000. Focused on the 4.

15mm f/4 1/160 ISO 800. Do the buildings seem like they are not sharp enough?

15mm f4 1/250 ISO 200.

15mm f/1.7 1/8000

15mm f/1.7 1/1000. Focused on the 4.

15mm f/4 1/160 ISO 800. Do the buildings seem like they are not sharp enough?

15mm f4 1/250 ISO 200.






