Data Sheet

TERS
41
for Film & DigitalSPECIAL EFFECTS FILTERS
Used for photography with infrared film
INFRARED
(R72)
Used for photography with infrared film. Infrared film is also
sensitive to ultraviolet rays and the shorter wavelengths of the visible
spectrum so it is necessary to filter out all but the infrared rays. R72
passes only infrared rays above 720nm. Often used in crime
detection, medical photography, detection of distribution of
vegetation, etc. In ordinary photography with infrared film or infrared
color film, the Y (K2), O(G), R(25A) and other filters can also be used
to change the contrast or color effect.
LENS ACCESSORIES
MULTI LENS HOOD
Without Filter
With R72
HOYA-Catalog-2012-Inter1B.qx:HOYA New Catalog-V3-THK.qx 12/09/09 19:59 Page 41