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Forum: Photographic Technique
11-08-2014, 01:31 PM
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I've gotten some interesting results with my K100D shooting through a Wratten 18A filter, which passes both UV and IR light, while blocking visible light. I only took a few test images, but green foliage did indeed seem much brighter than normal. I'm assuming that was from the IR the filter was transmitting. I need to try this again, and do more extensive testing. I was just using my kit lens, and the autofocus seemed to work pretty well, at least on a sunny day.
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