In article , Scott Schuckert
wrote:

And, a well-designed TLR is almost indestructible, with very little to go
wrong. I shot extensively with a TLR Rolleiflex, but at flea markets I
see Yashicamats - 25+ years old, and NOT an expensive camera - that
still work perfectly.

that's nothing unique to a tlr. many cameras of that era were built
like a tank and work quite well.

the only problem is that they use film.