Canon EF User Manual
Page 54
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focusing index mark. Use a red filter (R1) over the
lens and set the aperture ring manually following the
film manufacture's suggestion for exposure settings.
• Color Infrared Photography: In color infrared
film, two of the film’s layers are sensitive only to
visible light, while the third layer is sensitive only to
infrared. Therefore, it is not necessary to readjust
the focused distance. However, f/stops of f/5.6—16
are recommended to produce sharp pictures. Use
either a dark yellow (Y3) or orange (01) filter and
set the aperture ring manually following the film
data sheet.
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