This really an amazing Camera , One of the key things that separates the M10-P from the standard M10 is the new shutter. Leica claims the M10-P features the quietest shutter release of all M-cameras, and it's hard to dispute that. Press the shutter button and the sound is pretty much inaudible – perfect for street photographers. That said, if quietness is your top priority then you might want to think about a mirrorless camera that offers a silent electronic shutter.