Polypan F 50 ISO:

Rodinal 50+1, 14min: Nice grain, great shadow detail.

pushed to 400 ISO:

Rodinal 50+1, 50min: excessive grain, no shadow detail.

 

 

Kodak T-Max 100 ISO 35mm:

R09, 50+1: Nearly no grain, very smooth.

 

Kodak T-Max Professional 400 ISO 120:

Rodinal 50+1, 50min: excessive grain, no shadow detail.

Exposed for 200 ISO: Became a lot better.

 

 

 

Ralf, density is a function of exposure, and contrast is a function of development. If your negatives are too dense, but contrast is ok, try decreasing exposure. If contrast is too high, decrease development. Look at your shadows to evaluate exposure, and your highlights to evaluate development.