Anthony Farr escribió: > The early Pentax DSLRs had IR cutoff filters in front of their imaging > sensors that nevertheless transmitted enough near IR light to make a useful > IR exposure with an R-72 or similar filter. Can you assert that the IR > cutoff filter over the AF sensor is more absolute in its prohibition of IR > light than the filter above the imager? If not, my suspicion about IR > contamination of the AF system is not answered. >
Only camera manufacturers can answer those questions, unless there is a place where you can find the specifications of the IR filter used in the AF modules. I haven't found any real problems with the autofocus lenses I have or had in my Pentax AF bodies, though. Carlos -- PDML Pentax-Discuss Mail List [email protected] http://pdml.net/mailman/listinfo/pdml_pdml.net to UNSUBSCRIBE from the PDML, please visit the link directly above and follow the directions.
