I'll let the pictures talk.

Above: 8x10 proportion, shot at f/5.6. Below: 40x enlargement

And below, some fun with T-Max 100, Aculux 2 (1+9, 9 min at 20 degrees C), the 90 Hexanon wide-openat 1m, and a Leica M3. Top is a 5x7 proportion; bottom is 50x enlargement (75x50 inch print?!)