edwardkaraa
New member
Having used the C Sonnar for a couple of weeks now, I'm still very undecided about it. My copy is optimized for wide open shooting, which means it back focuses strongly when stopped down. When shooting at infinity, I need to pull back the focusing ring by about 3 mm to get the best sharpness at f/8. The Planar remains obviously sharper for this kind of shooting and has no focus shift. So if I keep the Sonnar, it's only to shoot it wide open in low light, where it really shines. Here is a little comparison handheld at 0.90m:
C-Sonnar 1.5 by edward karaa, on Flickr
C-Sonnar 2.0 by edward karaa, on Flickr
Planar 2.0 by edward karaa, on Flickr
C-Sonnar 1.5 by edward karaa, on Flickr
C-Sonnar 2.0 by edward karaa, on Flickr
Planar 2.0 by edward karaa, on Flickr