Archived posting to the Leica Users Group, 2010/09/23
[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]Yea, the JPEGS sometimes look harsh on the web. I tend to down size them to save computer space. I probably don't need to do that!! At 12:45 PM 9/23/2010, you wrote: >all look very harsh on my screen - could be the screen - yet the skin >texture in the young lady and kid is what I would definitely avoid to >get on young subjects. >I'm not Salgado after all :-) >Ph > >Le 23 sept. 10 ? 18:41, Chris Saganich a ?crit : > >> >> >>Yea, contrast is a light thing. I keep proper hoods on always and >>it helps. Here are some examples of DR images of varying contrast >>the only difference being the light and exposure as I use the same >>film and processing. >> >> >>http://www.imagebrooklyn.com/street_pages_2010/bs026.htm >> >>http://www.imagebrooklyn.com/street_pages_2010/bs029.htm >> >>http://www.imagebrooklyn.com/Family%20Album/Friends%20Family%20Pages/FF%20284.htm >> >>http://www.imagebrooklyn.com/Family%20Album/Friends%20Family%20Pages/FF%20274.htm >> >>Similar era Elmarit 50mm/2.8 >> >>http://www.imagebrooklyn.com/Family%20Album/Friends%20Family%20Pages/FF%20298.htm >> >>http://www.imagebrooklyn.com/Family%20Album/Friends%20Family%20Pages/FF%20297.htm >> >> >> >>At 05:54 PM 9/22/2010, you wrote: >> >> >> >>>I agree A lower contrast lens is "poorly implemented". >>>In most cases though its an old lens from many previous decades >>>which people >>>are loving the characteristics of through the filter of their >>>nostalgia. >>>The lens is just old. In many cases needs to be cleaned. >>>In modern terms its just a lower end lens. A lens in which less >>>money has >>>been invested. In older terms a lens with no or more privative >>>coatings and >>>with a more primitive optical design from what they knew then with >>>more >>>privative glass choice possibilities. And no pocket calculators >>>helping them >>>out. >>> >>>To make an image from a lower contrast optic means we have to jack >>>up the >>>contrast in the end. Resulting in more grain or noise. We then deal >>>with >>>that. >>> >>>Lower contrast optics are lovingly descried as "easier to print" >>>but I've >>>always found them more difficult to print as I've said above.. And >>>I've >>>seen few actually examples of these "easier to print" lenses on my >>>screen or >>>in hand. >>> >>>I'm not sure if the Leica M 50/2 Dual Range Summicron is a classic >>>example >>>of a lower contrast optic or not. I don't think low contrast is the >>>defining >>>characteristic of this lens. I think it has a bundle of positive >>>attributes >>>and may be a tad low in the contrast end. I'd love to be using one. >>> >>>-------------------- >>>Mark William Rabiner >>>Photography >>>mark at rabinergroup.com >>> >>> >>> > From: Herbert Kanner <kanner at acm.org> >>> > Reply-To: Leica Users Group <lug at leica-users.org> >>> > Date: Wed, 22 Sep 2010 13:29:20 -0700 >>> > To: Leica Users Group <lug at leica-users.org> >>> > Subject: Re: [Leica] Salgado S2 >>> > >>> > As someone who was once a physicist before I went really wrong and >>> > became an incompetent computer programmer (Physics Ph.D. 1951, U. >>>of >>> > Chicago) I want to comment on what could make a "low contrast >>>lens". >>> > A lens per se cannot manipulate contrast, it merely refracts what >>>is >>> > there. But miscellaneous scattered light not coming from the image >>> > will reduce contrast as if the film (or sensor) had been exposed >>>to a >>> > low level of miscellaneous distributed light before or after the >>> > actual taking of the picture. It is the same phenomenon that we try >>> > to avoid by using a lens hood: scattered light inside the lens. So, >>> > in my opinion, a "low contrast lens" is just a poorly implemented >>> > lens: failure to coat internal elements, shiny internal structural >>> > parts, whatever. >>> > >>> > Herb >>> > >>> > >>> > >>> >> If Salgato is looking for a "low contrast lens" then it would >>>have been >>> >> better he took some photo courses instead of economic courses As >>>that's >>> >> photo dumb stuff 101. He's thinking a "low contrast lens" will >>>give him more >>> >> latitude he's wrong. Presumptuous of me to say? Well you do hear >>>some real >>> >> misconceptions about basic photo craft coming from some top >>>level people old >>> >> timers or young timers. People who go to school to methodically >>>study >>> >> something but when they switch to photography when they get out >>>they decide >>> >> they're just going to be self taught deal. With photography >>>being mainly an >>> >> avocation or self taught vocation there's going to be lots of >>>wrong stuff >>> >> floating around. And now we have the internet. >>> >> >>> >> -------------------- >>> >> Mark William Rabiner >>> >> Photography >>> >> mark at rabinergroup.com >>> >> >>> >> >>> >>> From: Richard Man <richard at imagecraft.com> >>> >>> Reply-To: Leica Users Group <lug at leica-users.org> >>> >>> Date: Tue, 21 Sep 2010 22:23:01 -0700 >>> >>> To: Leica Users Group <lug at leica-users.org> >>> >>> Subject: Re: [Leica] Salgado S2 >>> >>> >>> >>> Heh, my summary of the talk I attended by Mr. Salgado a couple >>>years which >>> >>> has pretty much the exact information is still my most popular >>>blog post. >>> >>> People still find it and link to it... >>> >>> >>> >>> There is no evidence that he has switch to the S2... yet. He >>>said he is >>> >>> looking for "low contrast" lens so I'm not sure whether the S2 >>>lens would >>> >>> do... >>> >>> >>> >>> On Tue, Sep 21, 2010 at 10:15 PM, Mark Rabiner >>> >> <mark at rabinergroup.com>wrote: >>> >>> >>> >>>> " On a more technical front, Sebastiao Salgado spoke about >>>film vs. >>> >>>> digital. >>> >>>> He no longer shoots with film as the reasons to go digital >>>mounted up.?The >>> >>>> silver in current medium format films, are currently at levels >>>that 35mm >>> >>>> was >>> >>>> 25 years ago.?The 600 rolls of 220 he carried on shoots >>>weighed about 60 >>> >>>> lbs.?After 9/11 the security checkpoint that he goes through >>>with exposed >>> >>>> film (he told us 7 on the last trip) has affected the grain and >>> >> contrast of >>> >>>> the exposed film.?Plus there was the inevitable fight at each >>> >> checkpoint to >>> >>>> hand check the film. His assistant almost quit on his last >>>trip from the >>> >>>> constant battles.?So now it's a Canon DSLR for him. 21 >>>megapixels strong. >>> >>>> But he is also looking at that new >>> LeicaS2 with 37 megapixels.? And his >>> >>>> "film"? about 1.5 lbs of cards." >>> >>>> >>> >>>> >>> >>>> >>> >> >>> http://www.examiner.com/photography-in-national/sebastiao-salgado-the-genesi >>> >>>> >>> >> >>> s-project<http://www.examiner.com/photography-in-national/sebastiao-salgado-t >>> >>> >>>> he-genesi%0As-project> >>> >>>> Or >>> >>>> http://tinyurl.com/365nozf >>> >>>> >>> >>>> >>> >>>> >>> >>> -- >>> >>> // richard <http://www.imagecraft.com/> >>> >>> // icc blog: <http://imagecraft.wordpress.com> >>> >>> // photo blog: <http://www.5pmlight.com> >>> >>> [ For technical support on ImageCraft products, please include >>>all previous >>> >>> replies in your msgs. ] >>> >>> >>> >>> _______________________________________________ >>> >>> 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 >>> > >>> > -- >>> > Herbert Kanner >>> > kanner at acm.org >>> > 650-326-8204 >>> > >>> > Do not meddle in the affairs of cats, >>> > for they are subtle and will pee >>> > on your computer! >>> > >>> > _______________________________________________ >>> > 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 >> >>Chris Saganich MS, CPH >>Senior Physicist, Office of Health Physics >>Weill Medical College of Cornell University >>New York Presbyterian Hospital >>chs2018 at med.cornell.edu >>http://intranet.med.cornell.edu/research/health_phys/ >>Ph. 212.746.6964 >>Fax. 212.746.4800 >>Office A-0049 >> >>_______________________________________________ >>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 Chris Saganich MS, CPH Senior Physicist, Office of Health Physics Weill Medical College of Cornell University New York Presbyterian Hospital chs2018 at med.cornell.edu http://intranet.med.cornell.edu/research/health_phys/ Ph. 212.746.6964 Fax. 212.746.4800 Office A-0049