Archived posting to the Leica Users Group, 2004/05/19
[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]Yikes, I thought all of the perspective control problems in shooting buildings could be traced to a wide angle lens causing the roof to be overly small, giving you a trapezoid effect. Don't wide angles distort things, causing converging parallels? Jeffery At 08:05 AM 5/19/2004, you wrote: >No, light doesn't go round corners. Try it. Take a photo with a 35mm lens >then, from the same place, take one with a 90mm lens. Crop the centre of the >35mm shot and it will appear identical to the 90mm shot or 2000mm shot for >that matter (but the grain would be pretty big). Perspective is determined >only by where you are in relation to the subject (at least for a non-fisheye >non-shift lens). All you are doing with a longer lens is optically cropping >part of the picture. Wide angle lenses appear to alter perspective because >they allow you to get closer to the subject for the same field of view. > >Neil > >-----Original Message----- >From: Peterson Arthur G NSSC [mailto:PetersonAG@NAVSEA.NAVY.MIL] >Sent: Wednesday, May 19, 2004 1:43 PM >To: 'Leica Users Group' >Subject: RE: [Leica] 50mm lenses should be compulsory. > > > >Neil, > >Not trying to speak for Buzz but only for myself, a valid point I get from >what he wrote might be exemplified as follows: if you take a photo with a >15mm lens, you could certainly crop it to print the identical area covered >by another photo taken with the same camera pointed in the same direction >but with a 400mm lens. Yet the two pictures would not be at all the same. >In the cropped 15mm photo, the foreground would be exaggeratedly close and >background objects exaggeratedly distant, whereas in the 400mm photo the >distance between foreground and background objects would be exaggeratedly >compressed. I seem to recall hearing (or reading) somewhere that, for 35mm >photography, an 85mm lens (or something in that neighborhood) produces >pictures with a foreground-background relationship approximately the same as >what's seen by the human eye. > >I think I'm right about that, but someone please correct me (i.e., educate >me) if I were wrong. > >Art Peterson >Alexandria, Virginia > > >-----Original Message----- >From: Beddoe, Neil [mailto:nbeddoe@lehman.com] >Sent: Wednesday, May 19, 2004 7:32 >To: 'Leica Users Group'; 'Leica Users Group' >Subject: RE: [Leica] 50mm lenses should be compulsory. > > >" Lenses of different focal lengths do have >characteristics, based on their focal lengths, other than getting more >or less in the frame." > >I disagree. Take a picture with a 50mm lens (or even a 21mm lens) and crop >to the middle of the picture and you've got the same shot you would have got >from the same spot with a 90mm lens(grain and DOF excluded). You are right >about my choice of lens though ( at least it made for a provocative subject >line). I'm sure that if my M6 had come with a 35mm I'd be raving about >that. The point is that the lens you use is usually much less important >than where you stand. > >Neil > > > >I am pleased that the 50mm lens worked for you, especially when it was >your only lens. However, I submit for your consideration that its being >a 50mm lens had far less to do with your success than the discipline >enforced by using only one lens. It could have been a 35mm, it could >have been a 90mm, but it is the fact of having only one lens that made >you work harder at each picture you took. > > Buzz Hausner > >-----Original Message----- >From: lug-bounces+buzz.hausner=verizon.net@leica-users.org >[mailto:lug-bounces+buzz.hausner=verizon.net@leica-users.org] On Behalf >Of Beddoe, Neil >Sent: Wednesday, May 19, 2004 5:49 AM >To: 'Leica Users Group' >Subject: [Leica] 50mm lenses should be compulsory. > > >As everyone knows, you don't alter the viewpoint when you switch to a >wider >or longer lens, you just get more or less in the frame. In most cases, >you >can do this by walking forwards or backwards and at the same time see >what >changing perspective does to your shot which is much more interesting >than >just optically cropping the photograph. > >I like feet but I hate zooms. > >Neil > > >_______________________________________________ >Leica Users Group. >See http://leica-users.org/mailman/listinfo/lug for more information > > >---------------------------------------------------------------------------- >-- >This message is intended only for the personal and confidential use of the >designated recipient(s) named above. If you are not the intended recipient >of >this message you are hereby notified that any review, dissemination, >distribution or copying of this message is strictly prohibited. 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