Archived posting to the Leica Users Group, 2010/10/09
[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]Magnification of an image both shot at the same distance. But angle of view is the normal way of talking about such things. Probalby makes a lot more sense. -------------------- Mark William Rabiner Photography http://gallery.leica-users.org/v/lugalrabs/ mark at rabinergroup.com > From: Howard Ritter <hlritter at bex.net> > Reply-To: Leica Users Group <lug at leica-users.org> > Date: Sat, 9 Oct 2010 09:16:27 -0400 > To: Leica Users Group <lug at leica-users.org> > Subject: Re: [Leica] One Big Expensive Leica Lens > > OK, here's the math: > > The ABSOLUTE image scale on the film/sensor is about the same because the > focal lengths are about the same. > > But "magnification" is a RELATIVE concept. The question is, relative to > what? > If the "what" is the image scale of the respective cameras' "normal" > lenses, > then: > The magnification of the Ridiculonar on the Hassy, whose "normal" lens is > 80mm, is 1700/80 = about 21x > The magnification of the Gargantumarit on a Leica, whose "normal" lens is > 50mm, is 1600/50 = 32x > > So, for example, prints made to the same physical size from full frames > taken > with the tele lenses, or full frames viewed on the same monitor, will show > the > subject 21 and 32 times as large as same-size prints from the "normal" > lenses. > > ?howard > (rits) > > On Oct 9, 2010, at 4:41 AM, Mark Rabiner wrote: > >> Will I'd think somebody could do the math and then they do and you're >> right >> and I'm wrong I'll concede. >> But my money goes to Leica is going to have not a slightly more >> magnification. But a lot more. >> You read it here first. Its in writing. Right here. >> Prove me wrong I'll eat crow with Bosco. >> >> -------------------- >> Mark William Rabiner >> Photography. >> http://gallery.leica-users.org/v/lugalrabs/ >> mark at rabinergroup.com > > > _______________________________________________ > Leica Users Group. > See http://leica-users.org/mailman/listinfo/lug for more information