So far has not been needed. With the lens I'm using and the amount of light I can stop it down to f/8 and not have issues with blurry parts. For the macro pictu

So far has not been needed. With the lens I'm using and the amount of light I can stop it down to f/8 and not have issues with blurry parts. For the macro pictures of components I need to look into focus stacking if I want to have both the board and the chip number in focus but that's not a big priority for me.