Kodak duplicating microfilm — 2462, Kodak direct duplicating microfilm — 2468/3468, Microfilm thicknesses – Kodak D-32 User Manual
Page 3
2
September 2009 D-32
Kodak Duplicating
Microfilm — 2462
• Reverses image polarity (neg-to-pos or pos-to-neg) with conventional
processing
• Blue spectral sensitivity
• Medium contrast
• Primarily used for making positive images of publications such as
newspapers and magazines for frequent viewing
Kodak Direct Duplicating
Microfilm — 2468/3468
• Maintains image polarity (neg-to-neg or pos-to-pos) with conventional
processing
• Orthochromatic color sensitivity (blue-green)
• Medium contrast
• Primarily used for making distribution copies
Kodak Direct Duplicating
Intermediate Microfilm —
2470 (Estar Base)
• Maintains image polarity (neg-to-neg or pos-to-pos) with conventional
processing
• Orthochromatic color sensitivity (blue-green)
• Excellent tone reproduction
• Medium - low contrast
• Primarily used as an intermediate master to make multiple generation
copies
• Can also be used as a distribution copy
Microfilm
thicknesses
Kodak silver-halide duplicating microfilms are available in the following
thicknesses:
• 2462 and 2468 Estar Base 4.0 mil — used in normal 16, 35 and 105 mm
roll film applications.
• 3468 Estar Thin Base 2.5 mil — used in 16 mm applications for reduced
loading frequency, reduced film storage requirements and maximum image
capacity per roll.