Resin vs. Polyester Filters, and Kodak's Portra Films for CopyingSlides?

Discussion in 'Kodak' started by Dan Wenz, Oct 23, 2003.

  1. Dan Wenz

    Dan Wenz Guest

    I plan on buying a 3x3" 85B filter for my Illumitran copier, and wonder
    whether there's any reason for choosing a polyester vs. a resin filter
    for same. Prices are close, neither will be used in front of a lens.

    For the copier, I've made numerous copies of a calibration slide at
    various F stops, trying for a constant F:11, using various neutral
    density filters. Other, personal slides were also used. I'm close enough
    now to start using Kodak Professional Portra 160NC lower contrast film
    (I hope) to make prints from both 2D and 3D slides. I also will compare
    the results I get from that film with Kodak's Professional Portra 100T
    tungsten film with the 85B filter.

    Any comments on the choice of F stop and type of film would be
    appreciated. Other 35 mm film companies films would be of interest based
    on comments from you folks.

    I know there are "better", professional, copying films (35 mm) out
    there, but I'm not sure I want to fool with them based on the data
    sheets I've looked at.
    Dan Wenz, Oct 23, 2003
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