Archived posting to the Leica Users Group, 2010/04/14
[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]On 15 April 2010 15:33, Vince Passaro <passaro.vince at gmail.com> wrote: > > > 2. A less simple question: the ongoing thread about Leica lenses on the GF1 > began with some commentary that included language that depicted using the > 50/1.4 on the GF1 as having a "100/1.4" lens on the camera. I see this all > the time, the equation of the half crop with a lens twice as long. But > isn't > what one has really a 50mm image with a 25% crop off all four sides? And a > slightly narrower (more tele) angle of view? Please correct me in however > I've gotten this wrong. But I'm pretty sure that having a half-sized > sensor > is not the same as putting a 2x converter on a full frame. It doesn't yield > the same image at all. Why do people say this? > > yes, you're correct, all you're doing is cropping a 50mm picture to have the same FOV as a 100. People use it because it's convenient. And easy to understand. I sit there and scratch my head trying to figure out what the FOV of a 65mm lens on a 6x6 is. But if someone told me that it was equivalent to a 35mm on 135 then I would understand.