43 Possible Reasons Your Micro 4/3 Images Are Not Sharp
The reputable Micro 4/3 system expert ROBIN WONG is talking about various reasons why your MFT camera's pictures may become not as sharp as you expect, and as possible sharpness if all and everything has been done right.
I found those tips very useful myself. While most have heard before, it is always good to refresh your mind on something very important