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Clark Comparison Chart of Film to Digital

Discussion in 'General Technical Discussion' started by SRA, Sep 17, 2005.

  1. SRA


    Jul 29, 2005
    Orem, Utah
  2. Iliah


    Jan 29, 2005
    Here is real-life data of film resolution, measured by Zeiss using standard photographic process (September, 2004):
    Kodak Supra 800: 80 lp/mm
    Maco Ortho PO 100: 80 lp/mm
    Kodak Tech Pan: 140 lp/mm
    Kodak Supra 400: 100 lp/mm
    Fuji Neopan Acros 100: 160 lp/mm
    Kodak Farbwelt 100: 160 lp/mm
    Kodak Farbwelt 400: 160 lp/mm
    Fujichrome Velvia 100 F: 170 lp/mm
    Gigabitfilm: 400 lp/mm

    Here is Zeiss data from March, 2003 (measurements taken by Kornelius Mueller; the only non-standard element was microscope :wink: ):

    Kodak T-Max 100 b & w 180 lp/mm
    Fujifilm Fujichrome Velvia color transparency 160 lp/mm
    Agfa Portrait XPS 160 color negative 150 lp/mm
    Kodak Portra 400 b & w monochrome C-41 150 lp/mm
    Kodak Portra 160 VC color negative 150 lp/mm
    Kodak Portra 160 NC color negative 140 lp/mm
    Kodak Ektachrome 100 VS color transparency 130 lp/mm
    Kodak T-Max 400 b & w 120 lp/mm
    Fujifilm NPZ 800 color negative 110 lp/mm
    Kodak Portra 800 color negative 90 lp/mm

    From these tables some colour films actually resolve more then TechPan. In particular, placement of Velvia 100F is higher.

    D2X sensor theoretically resolves 90 lp/mm, or 2150 line pars across the sensor; 1DsMkII - 70lp/mm, or about 2500 line pairs across the sensor. 150 lp/mm is equivalent to 5400 line pairs across 36mm film frame.
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