gyoung143 wrote:
Without doing the calculations, from comments in lens test mtf charts I understand that diffraction affects sharpness beyond 11for 'full frame', 8 for aps-c and 5.6 for m4/3.
So f/8 on my Fujis will give me more DoF than on a full frame camera, which is the gain, without pain!
Fortunately we have enough shutter speeds to make a min of f/8 quite reasonable in any light. If you want more DoF then there will be losses from diffraction overall.
Gerry
This seems to be an argument for shooting M4/3 as you can shoot at f5.6 for even more gain without pain. Further, with GFX noise performance you can shoot at F11-16 and up the ISO for similar noise and DoF performance. While, there might be optimal systems for different tasks, the point is the equivalence theory implies there is no system that should be preferred when trading off DoF verses diffraction.
Oct 03, 2025 at 06:17 PM
Previous versions of Geoff D F's message #16901994 « Fuji for landscape »
