Archived posting to the Leica Users Group, 2007/01/01[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]
You're taking in more light, but the aperture is physically smaller. As I said earlier if lenses worked the way you described then meters would have to have the focal length factored in since f1.4 @ 35mm would be equivalent to f1 @ 50mm, and that isn't the case. Steve On 1/1/07 13:24, "Tina Manley" <images@InfoAve.Net> wrote: > At 06:04 AM 1/1/2007, you wrote: >> I'm sorry Tina, but I don't get this. Imagine you were photographing a >> white >> wall that filled the viewfinder for both the 35mm and 50mm lenses. The >> exposure for each lens would be identical - i.e. both lenses would have >> the >> same shutter speed / aperture. You can't say that because a lens is wider >> it >> somehow sucks in more light at a given aperture - if that was the case >> hand >> held meters wouldn't work over a range of focal lengths. >> >> Steve > > > Steve - I'm not talking about photographing a white wall. I'm referring > to photographing a normal scene - in a house, usually for me. The wider > view is, the more light I'm taking in normally. That's the way it works > for me anyway. I can photograph the same scene with a 35 and a 50 and the > 35 gives me a brighter reading of the whole scene. Not spot metering, > averaging the whole scene.