Quote Originally Posted by TheFlyingCamera View Post
I haven't figured out yet why a 35mm rangefinder raised to your eye is less conspicuous than a 35mm SLR - they're both in front of your face, and pointed directly at the subject. Once the exposure is taken, there's an obvious difference in the noise level with the mirror slap and the (probable) film advance motors kicking in.
It probably isn't and just a myth put about by 35mm RF users.