I've not done any IR work with the DS yet. I don't know without experimenting. I expect it's in the 750-800nm range, though, as that seems typical for the work I've seen done.

Godfrey

On Mar 9, 2006, at 9:11 AM, Joseph Tainter wrote:

"The R72 effects a 720nm visible light cutoff, which is in the right range to slip into the bandwidth between most digital cameras' IR block filter and the typical sensors' ability to record near-IR light."

Godfrey, what is the spectrum cutoff of the IR blocking filter on the Pentax DSLRs?

Thanks,

Joe


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