Harrison 89-B or 88-A for 10D infrared?: Canon EOS 7D / 50D - 10D Forum: Digital Photography Review

Harrison 89-B or 88-A for 10D infrared?

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Forum	Canon EOS 7D / 50D - 10D
Subject	Harrison 89-B or 88-A for 10D infrared? [SIMILAR]
Posted by	21farms [PROFILE] [GALLERY]
Date/Time	14:36:57, 16 January 2004 (GMT)


[darn search engine is down!] hi all, i want to do infrared photography with my 10D and 17-40L. i used to use a hoya R72 infrared filter on my G2 but those things are over $200 for the 77mm size! i did a google search and discovered the harrison & harrison infrared filters are highly recommended and are only $60. the trouble is, they have three versions of IR filters: 89-B 88-A 87 i called and the gentleman i spoke to recommended the 89-B as the best choice for the 10D but i asked and he said the closest equivalent to the hoya R72 is actually the 88-A. any thoughts on which one i should get? -norm btw, their contact info is: Harrison & Harrison Optical Engineers, Inc. 1835 Thunderbolt Drive, Unit "E" Porterville, CA 93257-9300 Phone: +(559) 782-0121 Toll free within the USA only: 1-(877) 213-6787 FAX: +(559) 782-0824 -- norm

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