In considering the choice of 6xX cameras one should
keep in mind the camera's orientation. The 6x6 format
is always upright. Being upright it is immediately ready
to shoot. If using a tripod, the camera need not be
tipped off center. A waste level finder may be all
that is needed. A savings in weight and bulk.
In the darkroom images projected by the enlarger
are always upright. Dan