From: cfmpublic@ns.sympatico.ca   
      
   On Thu, 4 Dec 2014 09:24:36 -0500, "conklin"   
    wrote:   
      
   >   
   >"Michael Finfer"  wrote in message   
   >news:mZPfw.109818$_R5.56900@fx28.iad...   
   >>   
   >>> On 12/1/2014 1:04 PM, hancock4@bbs.cpcn.com wrote:   
   >>   
   >>>> DSLR cameras do not seem to handle to very high contrasty scenes as well   
   >>>> as film did, with shadows going black or highlights washed out.  One   
   >>>> must do special compensation to get good pictures from such scenes.   
   >>>> Digital also seems to have less exposure lattitude than film, although   
   >>>> the meters of modern digital cameras seem to be pretty accurate,   
   >>>> including being 'smart' enough to realize a train's headlight is not   
   >>>> part of a scene for exposure determination.   
   >>   
   >> There are many pros who will disagree with this.  Digital actually has a   
   >> much greater ability to handle contrasty scenes, but one needs to handle   
   >> the shot properly.  It has to be exposed properly.  Graduated neutral   
   >> density filters, when used properly, are a great tool.  Many digital   
   >> images need some tweaking on the computer to fulfill their potential.   
   >> Almost all of the shots that I take get some adjustments, mostly minor,   
   >> before I show them to anyone.  With about 30 seconds of work on each   
   >> photo, I can have images that I am pleased with.   
   >>   
   >> Newer camera have HDR capability.  They take multiple exposures of a scene   
   >> and combine them into a photo that could never have been made with film.   
   >> I even have an app on my phone that does that.  That is probably not the   
   >> best solution for a moving train, though.   
   >>   
   >> Michael Finfer   
   >> Bridgewater, NJ   
   >>   
   >   
   >Unless you print out your pictures from digital media, every few years will   
   >make your storage medium obsolete.  Kodachrome slides are good for 60-100   
   >years.  Some my father took in 1946 are still perfect.  His 8 mm film of   
   >steam engines at Catskill, NY, on passenger trains are still as good as the   
   >day they were taken.  But my cell phone videos of Engine 12 on the Tweetsie   
   >will not outlast the cell phone.  As for the VHS mini tapes I had for   
   >several years, they are already showing problems.  But no sense in   
   >complaining.  All we have now is digital.   
   >   
   While digital media may change, the advantage of the digital format is   
   that a straight copy causes no loss of information unlike copying   
   negatives or slides.  Note this is true only for straight file   
   copying.  If a JPEG is opened and then stored there will be a loss of   
   information because JPEG is a compression which loses information.   
   Thus having several copies of a picture poses no problem.  Just copy   
   your files every few years.   
      
   Clark Morris   
      
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