They aren't particularly quiet in operation though. They do have leaf shutters, but the film advance ratchet is famous for its sound, and the shutter cocking lever snaps back pretty loudly. I think my RB67 makes less noise.
That's true, and could be important at a wedding.
"...the heart and mind are the true lens of the camera".
- Yousuf Karsh
"We are what we repeatedly do. Excellence, then, is not an act, but a habit".