I love this early evening photo of a group of older Italians on the sidewalks in Siena. The light was dropping fast and the group and handshake was fleeting. I was using an old, fully manual Hasselblad, with a 100mm f3.5 Planar lens. I focused by looking at the focusing ring and setting it to an approximate distance based on previous experience. I didn't have time to meter but guessed that the exposure was something like f5.6 at 1/15th of a second. I'd been watching the light fall and was aware of the range. I tugged down on the the neck strap to stabilize the camera and then, composing through the dim waist level viewfinder, I clicked off two frames. Only one of which caught the handshake.
Everything happened quickly. You can see by looking at the woman just to the back of and to the right of the man in the light colored suit how slow the shutter speed was. Her face was blurred by her quick movement during the exposure.
Would a modern camera make a better shot? It might make a sharper or more noise free shot but at what cost? I think the motion and softness of the image, as well as the two-and-a-quarter inch, square format's trademark depth of field, is at least as important as those other parameters. But the essential piece of the puzzle is always just to be present with your camera and to keep your attention on the swirl of life around you. Nothing else really matters.