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Old 18-05-2006, 10:19 PM
tornado33
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tornado33 is offline
 
Join Date: Jan 2005
Location: Newcastle, NSW, Australia
Posts: 4,116
No its a fair question. I dont think the HA filter blocks oud the deeper infra red, as it was designed in assumption the imaging gear would have an IR cutoff filter. Note the graph, infra red below 1100 gets through. When taking High ISO test images without the uv/ir filter I was getting a reddish light background that I assume was some of this IR light getting through.
Scott
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