hi everyone,
what do you think are the most reliable modestly-priced old cameras? give the least trouble and have stood the test of time really well and you can divide it between purely mechanical (except light meter) and more battery powered or automatic models.
The most reliable manual/mechanical film cameras I have used and loved include:
Leica M1 35mm (no rangefinder and no built-in light meter)
Nikon F 35mm SLR with a standard meterless prism
*Nikon F2 35mm SLR with a standard meterless prism or meterless action finder
*Nikon Nikonos III (35mm underwater)
*Argus C3 35mm rangefinder
*Minolta Hi-Matic 9 35mm rangefinder (has a built-in light meter)
*Canon QL17 GIII 35mm rangefinder (has a built-in light meter)
*Pentax Spotmatic 35mm SLR (has a built-in light meter)
*Fujica ST705 35mm SLR (has a built-in light meter)
Mamiya C3 6x6cm medium format
Mamiya C22 6x6cm medium format
Mamiya C220 6x6cm medium format
*Fuji 6x7cm medium format rangefinder
*Fuji 6x9cm medium format rangefinder
Graflex 4x5 inch view
Those marked with an asterisk (*), are the ones I still use to this day.
If I had to buy another manual/mechanical 35mm camera that was not on my list, I would buy the Nikon FM3a, the Leica MP, or the Leica M6.