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IR/UV Photography Seeing the world in a different light.


 
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Old 22nd February 2005   #1
phototalk
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Join Date: Oct 2003
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Default R72 & 25A?

I would like to ask the experts here is the R72 filter for IR also known as 25A?
Thanks!
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Old 22nd February 2005   #2
eawtan
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Originally Posted by phototalk
I would like to ask the experts here is the R72 filter for IR also known as 25A?
Thanks!
No, the R72 is an ir filter, the 25A is a red filter. Both have different cut-off range. The R72 is almost black, the 25A passes alot of visible light.
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Old 23rd February 2005   #3
phototalk
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Thanks eawtan for the info.
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