35mm Film: 174 megapixels!

Discussion in 'Film Discussion and Q & A' started by epp_b, Dec 16, 2008.

  1. epp_b

    epp_b No longer a newbie, moving up!

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    I'm sure some of you have read KR's most recent update already, but here it is:
    http://kenrockwell.com/tech/film-resolution.htm

    So, with the best lens on a camera in the hands of the best photographer, scanned using the best equipment, Fuji Velvia 50 35mm slide film can give you the equivalent of a 174 megapixels from a digital camera that uses Bayer Interpolation (which, as far as I'm aware, is all of them), or 87 actual (clear) megapixels.

    Interesting. And, yay, another excuse to shoot film! ;)

    Let the flame wars begin! :lol:
     
    Last edited: Dec 16, 2008
  2. Big Mike

    Big Mike I am Big, I am Mike Staff Member Supporting Member

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    KR :thumbdown:
     
  3. christopher walrath

    christopher walrath No longer a newbie, moving up!

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    There are are roughly 40 billion silver halide crystals in the average 35mm negative area (36mm x 24mm) of emulsion.
     
  4. epp_b

    epp_b No longer a newbie, moving up!

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    That may be, but I said slide, not negative.
     
  5. compur

    compur No longer a newbie, moving up!

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    When you see a great photo, does it matter how many little dots it has?
     
  6. epp_b

    epp_b No longer a newbie, moving up!

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    Not unless it's dimensions are measured in feet. I just thought it was interesting because I'm a nerd, so I'll leave it at that ;)
     
  7. frXnz kafka

    frXnz kafka TPF Noob!

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    40,000 megacrystals?
     
  8. djacobox372

    djacobox372 No longer a newbie, moving up!

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    Whatever.... nobody is going to convince me that ANY 35mm film does any better then 12mp. It may look better, and have more dynamic range, but digital resolution has surpassed film resolution for the same surface area.
     
  9. Josh66

    Josh66 Been spending a lot of time on here!

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    I know this information is buried in a thread somewhere, but I didn't want to spend 2 hours searching for it...

    How do you calculate megapixels? Say an image is 4200x2700 pixels (14x9 @ 300 ppi), how many megapixels is that? Is it simply multiplying the two dimensions?
    (4200*2700=11340000=11.34mp?)

    edit
    got it. I googled it and Ken Rockwell was the first result, lol. I was doing it right.
     
    Last edited: Dec 16, 2008
  10. Dubious Drewski

    Dubious Drewski TPF Noob!

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    If what Mr Rockwell is saying is true, then what the heck is going on here?

    Why does the Nikon D700 noticeably outperform the Nikon F5 with the same lens?
     
  11. frXnz kafka

    frXnz kafka TPF Noob!

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    Because KR isn't comparing resolving power of digital sensors to film. He's comparing the "data recording" ability of a pixel to that of a crystal. And he's not even doing it very scientifically.
     
  12. Dubious Drewski

    Dubious Drewski TPF Noob!

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    Well, I can respect his tastes, but if he's going to promote an agenda based on fuzzy logic, I don't know if I can respect his statements.

    So if he isn't comparing the quality of the end result, then what's his point? I bet silver crystals are more soluble in water than megapixels are, but that's irrelevant to the photograph, now isn't it. :D
     

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kenrockwell.com/tech/film-resolution