The camcorder guys figured out long ago how you can get the shallow DOF of a larger sensor system (typically full frame) on a camcorder equipped with a much smaller sensor (typically 1/2.8") by doing ...
Medium format lenses can be used on DSLRs via tilt/shift-adapters (Mirex, Zoerk, etc.). A medium format lens with a focal length of, for example, 80mm, has as equivalent focal length on small format ...
One of Hasselblad's cameras has a Double-Full-Frame sensor. Does that mean that the lenses needed for it are incredibly complex to build (to have a sharp, high quality, abberation free image on the ...