I have a Rolleiflex Automat (MX EVS) with a Tessar f3.5 lens (1954-56 vintage) that I am getting to know and love. Perusing the online manual of an earlier Automat as well as the "Rollei Manual" book by Alec Pearlman (1957 edition) there are dire warnings against engaging the 1/500 s setting on the shutter after film advance/shutter cocking. Both advise to change to and from the 1/500 s setting before film advance/shutter cocking. Because I have the EVS model which engages the shutter speed and aperture rings, I have on more than one occasion accidentally engaged the 1/500 s specially since I am still occasionally turning the dials in the wrong direction. Am I causing real damage to the shutter mechanism or are these precautions excessive or they don't affect my model. On my LF lenses, mostly modern Copal, but some synchro compur of 50s-60s vintage I have not encountered difficulties with shutter speed change. Thanks. Sincerely, Hany.