How does EOS 750D(W) set the parameters for shooting still life in the studio?

First of all, the current state is definitely underexposed, so you need to readjust the parameters, and since it is a shed shoot, you have to consider lighting or filling the light, which is very, very important. Of course, the lighting of metal parts may have reflective problems, which need attention.

Secondly, due to the algorithm characteristics of white balance, it is really easy to blacken in pure white scenery. At this time, exposure compensation can be appropriately increased, but if the first item is done, it is not absolute, depending on the specific situation.

Third, for your white or nearly transparent products, it is best not to shoot with a white background, but to shoot with a black background. If background color is needed, post-processing can be used instead.