I concluded I would enjoy writing about camera repair much more than actually repairing cameras for customers. ... I seldom see an Argus, a Retina or a screwmount Leica in use in places like Yellowstone Park, sales of 120 roll film have declined, ... like many older people, can set F stops and aperture as effortlessly as a car driver can shift a manual transmission. ... I take groups of fifty or more people with my Rollei E TLR, and I do technical photos with older screw mount SLRa#39;s.