With all the confusion on FLM (Focal Length Magnification) caused by the smaller sized half-frame CCD/CMOS imagers currently found in the respective DSLRs, here is an actual, real-life test to totally debunk and clarify all those myths and misconceptions about DOF, FOV etc. etc.
Cameras used - Nikon F5 and Nikon D1x
Lenses used - Nikkor AIS 50mm f/1.4 and Nikkor AF 105mm f/2DC
Camera(s) setup on tripod at fixed location.
Manual focusing used, with confirmation via AF using center AF sensor on the Leatherman Wave (front object).
Film scanned using Coolscan IV and cropped to approx. DSLR image size.
Using 50mm f/1.4 lens at f/2:-
Using 50mm f/1.4 lens at f/5.6:-