Archived posting to the Leica Users Group, 2006/11/01
[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]Could we call it normal on an APS? Better yet can we say who cares....Lets see more of Rivera's subject matter :-) Philip Forrest wrote: >We did say that, but the depth of field markings on the lens will still be >valid. >I just don't like people calling a 35mm lens on an APS sized digital, a 45 >or 50mm lens. Because it's not. >We don't call our 160mm lenses for our 4x5's 50mm lenses, do we? The same >with 6x6. My normal is an 80mm. It has a very similar field of view as a >50 on 35mm format, but I still call it an 80mm. >So, we've changed format sizes by going to the less-than-full-frame >digitals. > >-----Original Message----- >From: lug-bounces+photo.forrest=earthlink.net@leica-users.org >[mailto:lug-bounces+photo.forrest=earthlink.net@leica-users.org] On Behalf >Of Walt Johnson >Sent: Wednesday, November 01, 2006 3:22 PM >To: Leica Users Group >Subject: Re: [Leica] M8 & Depth of Field > >So in other words a normal lens on a 35 will be a wide angle on a 2 1/4. >I though that's what we said to begin with? Could I get by saying I'm >changing my lenses now. I want more coverage so off with the 50 and on >with the 28. :-D Philip, I know you are absolutely right in what you're >saying. In the real world the 50mm should fake being a 65 on an M8 though? > >Philip Forrest wrote: > > > >>The angle of view is different, but everything else about the image is >>exactly the same. If you use a 47mm large format lens on a 35mm or a 6x6 >> >> >or > > >>a 4x5 the results will be exactly the same on the film plane. The big >>difference between a 6x6 50mm lens and the same focal length for a 35mm >>camera is lens coverage. All that said, the lens will always have the same >>depth of field regardless of format. Leica lenses don't know whether they >>are on Leicas or Epsons or Deardorffs or oatmeal boxes. The lens doesn't >>know & doesn't care. It does one thing, project an image onto a plane. >> >> >The > > >>best way to discern this difference is to shoot the same focal length lens >>with several different formats, then look at the negatives, not >>enlargements. OR make prints that keep the difference of format apparent. >>Ie: shoot one scene with three different cameras all with 75mm lenses then >>make prints at a 3x enlargement for all of them. Then cut out the center >> >> >of > > >>the largest prints to match the size of the smallest ones. They will be >>exactly the same. >> >>-----Original Message----- >>From: lug-bounces+photo.forrest=earthlink.net@leica-users.org >>[mailto:lug-bounces+photo.forrest=earthlink.net@leica-users.org] On Behalf >>Of Walt Johnson >>Sent: Wednesday, November 01, 2006 12:13 PM >>To: Leica Users Group >>Subject: Re: [Leica] M8 & Depth of Field >> >>Put a 55 on a 6x6 and compare it with what you get with a 55 on a 35mm. >> >>Raimo K wrote: >> >> >> >> >> >>>A 50 is a 50 mm - always (nominally). It does not become a 65 or >>>anything else. >>>All the best! >>>Raimo K >>>Personal photography homepage at: >>>http://www.uusikaupunki.fi/~raikorho >>> >>> >>>----- Original Message ----- From: "Walt Johnson" <walt@waltjohnson.com> >>>To: "Leica Users Group" <lug@leica-users.org> >>>Sent: Wednesday, November 01, 2006 2:47 AM >>>Subject: Re: [Leica] M8 & Depth of Field >>> >>> >>> >>> >>> >>> >>>>Luis, I'm not sure I can buy into Jim's statement. a 50 on a 35mm is >>>>close to normal (46 mm is closer) if it becomes a 65 wouldn't that >>>>change the effective depth of field? Where is that genius Marc when >>>>we need him? >>>> >>>>Luis Ripoll wrote: >>>> >>>> >>>> >>>> >>>> >>>>>Thanks for clarify Jim, >>>>> >>>>>Saludos cordiales, >>>>>Luis >>>>> >>>>>-----Mensaje original----- >>>>>De: lug-bounces+luisripoll=telefonica.net@leica-users.org >>>>>[mailto:lug-bounces+luisripoll=telefonica.net@leica-users.org] En >>>>>nombre de >>>>>Digiratidoc@aol.com >>>>>Enviado el: mi?rcoles, 01 de noviembre de 2006 0:16 >>>>>Para: lug@leica-users.org >>>>>Asunto: Re: [Leica] M8 & Depth of Field >>>>> >>>>>Depth of field would not change. It's still a 50mm lens but the >>>>>image is cropped. >>>>>Jim >>>>>In a message dated 10/31/2006 4:42:02 P.M. Central Standard Time, >>>>>luisripoll@telefonica.net writes: >>>>>Hi all, >>>>> >>>>>On the M8 lenses become 1,3x, would this affect the depth of >>>>>field?, on >>>>>other words, will have a lens the same depth of field and at the same >>>>>distance, on a M8 or an M?, maybe is an stupid question, but if a >>>>>50 is any >>>>>more a 50 on a M8, and it becomes a 65, I think the depth of field >>>>>will >>>>>proportionally decrease, on this case I suppose too that actual scales >>>>>based >>>>>on 35mm format will be no more valid for 1,3 format. >>>>> >>>>>Thanks for your comments, >>>>> >>>>>Saludos desde Barcelona >>>>>Luis >>>>>_______________________________________________ >>>>>Leica Users Group. >>>>>See http://leica-users.org/mailman/listinfo/lug for more information >>>>> >>>>>_______________________________________________ >>>>>Leica Users Group. >>>>>See http://leica-users.org/mailman/listinfo/lug for more information >>>>> >>>>> >>>>> >>>>>_______________________________________________ >>>>>Leica Users Group. >>>>>See http://leica-users.org/mailman/listinfo/lug for more information >>>>> >>>>> >>>>> >>>>> >>>>> >>>>> >>>>_______________________________________________ >>>>Leica Users Group. >>>>See http://leica-users.org/mailman/listinfo/lug for more information >>>> >>>> >>>> >>>> >>>_______________________________________________ >>>Leica Users Group. >>>See http://leica-users.org/mailman/listinfo/lug for more information >>> >>> >>> >>> >>> >>_______________________________________________ >>Leica Users Group. >>See http://leica-users.org/mailman/listinfo/lug for more information >> >> >> >>_______________________________________________ >>Leica Users Group. >>See http://leica-users.org/mailman/listinfo/lug for more information >> >> >> >> >> > >_______________________________________________ >Leica Users Group. >See http://leica-users.org/mailman/listinfo/lug for more information > > > >_______________________________________________ >Leica Users Group. >See http://leica-users.org/mailman/listinfo/lug for more information > > >