Quote Originally Posted by RalphLambrecht View Post
after several dissapointing experiences witha pentax spotmete(unmodified and modified)and metering through filters, i gave up on metering through filters and aplly the filter factor sfter metering without filters.
Thanks Ralph!

And I use the "ISO 2" setting on my L758-DR to apply the filter factor so that may be why I never had the problem!

Some people deal with this issue by using the "Hutchings" factor after reading through the filter that is written in Steve Simmons' view camera book.