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  Photography Forum: Digital Photography Q&A Forum: 
  Q. Predicting Digital's Progress

Asked by Mark Beltran    (K=32612) on 4/24/2003 
We are definitely in the second golden age of technology with the rise of digital image media. I've a question for those who would like to entertain the thought of just how much better it will be. How many pixels will be reached before it becomes unnecessary to add more? I've heard that the best a 35mm color slide can reach is somewhere around 24 to 36 megapixels. How soon I wonder will digital match that?


    



 Brendan Bhagan   (K=531) - Comment Date 4/25/2003
Pixels don't count the same. For eg the 11 MP ids easily beast 99% of 35mm films ( sorry really low speed films like agfa pan 25 etc still out resolve and have no grain ) and rivals medium format, while the kodak 14n matches 35mm film and is a poor example of more pixels means better. people say 50% of the detail in film is gain and I believe that, having scanned lots of film at 4000 dpi and seeing it my self, I would say most films have about 10-12 MP of real detail, the rest is grain ( once again with exceptions like provia 100, agfa pan 25, tech pan 50 etc or really horrible stuff ). A medium format back with 16-20mp will easily out do a normal 645 neg but conversly good low speed films will turn the tables around. The mega cam project ( for deep space telescopes ) using a ccd array needed 640 mp to equal a 8x10 sheet film capture BTW so those large format guys are safe for a REAL long time. The #'s don't equate at all, you have some really bad films that are horrible, and some noisey ccd/cmos sensors that turn their potential 5,6 14 MP to mush so counting numbers becomes meaningless. That said if it takes $8000 to beat 35mm digitally, I'll just use my $120 TLR and shoot 6x6 negs and slides, scan them at 4000 dpi with a grain reduction filter ( thats a 9600x9600 pixel image ) and wait for a digi can that will equal that for $1000




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