Hi
Would anyone recommend what is the "sweet spot" aperture of the VARIO-SUMMICRON 5.1 - 19.2mm f/2 - 3.3 lens?
Seems Dlux 4 sharpest aperture was f/4.5 but on Dlux5, I've tried f/4.5 - f/5.6 without noticing subtle differences.
What have folks found?
best