Archived posting to the Leica Users Group, 2013/05/19
[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]Are you saying F stops different for different format? On 5/19/13 5:35 PM, "Philippe Amard" <philippe.amard at sfr.fr> wrote: > Thanks for the calculator Now, +2 might be +1 on micro 4/3s, and plus zero > on 2/3 > Amiti?s Philippe ======================================== Message du : > 19/05/2013 23:08 De : "Mark Rabiner " <mark at rabinergroup.com> A : "Philippe > Amard" <philippe.amard at sfr.fr> Copie ? : Sujet : Re: [Leica] Mark's 5.6 and > be there - MARK II Yea I got a thing on my computer for that > now http://imaginatorium.org/stuff/stops.htm And two stops down from f1 is > f2. Summicron. And stopping down to 5.6 is 5 stops. What I think of as f22 > being. On 5/19/13 5:01 PM, "Philippe Amard" wrote: > So you're back at it > :-( > > > nocti 0.95 stopped down two = ? > telyt 560 f5.6 stopped down two > = ? > > > Both serious lenses, primes and on topic. > > > Ph > > > > > > > > > ======================================== > > Message du : 19/05/2013 > 22:44 > De : "Mark Rabiner " > A : "Leica Users Group" > Copie ? : > Sujet > : Re: [Leica] Mark's 5.6 and be there > > > If you've looked at those lens > test charts they used to always had in Pop > and Modern photography monthly > for decades we all did a lens always get a > bit better contrast and > resolution stopped down two or three. Its just the > nature of optics. > Now > we hear that with some of our four grand $ Leica glass "there is no > reason > to stop down it all" I kind of think its horse crap. > A lens going to improve > stopped down a bit. The fact that it says Leica on > it and cost four grand > has no way of changing that. > You wanna use the meat of the lens. There is > fatty residue in the outside > parameter best cut off by the butcher. > > > > On 5/19/13 12:16 PM, "Lew Schwartz" wrote: > >> Also, aren't a lot of 35mm > lenses supposed to be sharpest at 4.0 - 5.6? >> >> -Lew Schwartz >> >> >> > On Sun, May 19, 2013 at 5:29 AM, > wrote: >> >>> >>> Thank you > Marshall, >>> >>> >>> this was known to me and actually sounds more of an > urban legend adressing >>> trainees or freshmen PJs than anything else. >>> > >>> >>> In addition it doesn't explain why Mark a contemporary > experienced >>> professional photog who has published in the NYT, insists on > shooting 5.6 >>> and be there whatever the format. >>> >>> >>> :-( >>> >>> > >>> Philippe, still willing to learn :-) >>> >>> >>> >>> >>> > ======================================== >>> >>> Message du : 19/05/2013 > 06:11 >>> De : "Marshall Hunt " >>> A : "Leica Users Group" >>> Copie ? : >>> > Sujet : Re: [Leica] Mark's 5.6 and be there >>> >>> >>> It is a > modification of a motto from the early days of press photography, >>> when you > needed three hands and big pockets to use a Speed Graphic. >>> : >>> "f.6" set > your Speed Graphic lens at 5.6 so you have some depth of field >>> when you > estimate the distance. >>> >>> "and be there" be at the scene of the action; > otherwise you can't get a >>> fast shot. >>> >>> >>> On Sat, May 18, 2013 at > 3:25 AM, >>> wrote: >>> >>>> Mark repeatedly writes: >>>> >>>> >>>> F 5.6 > and be there. >>>> >>>> >>>> >>>> What's YOUR rationale for shooting at > 5.6? >>>> >>>> >>>> >>>> >>>> If it is about DoF it is completely > irrelevant for it also depends on >>>> sensor size, but this you know. >>>> > >>>> >>>> So what is it please? >>>> >>>> >>>> >>>> >>>> AMiti?s >>>> > Philippe >>>> >>>> >>>> _______________________________________________ >>>> > 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 > > > > -- Mark William > Rabiner Photography http://gallery.leica-users.org/v/lugalrabs/ ___________ > ____________________________________ Leica Users Group. See > http://leica-users.org/mailman/listinfo/lug for more information -- Mark William Rabiner Photography http://gallery.leica-users.org/v/lugalrabs/