Quote Originally Posted by coigach View Post
Possible daft question - is it possible to use the in-camera metering of a Pentax 67II with the Heliopan RG695 filter or would I have to use a handheld meter?
don't know - but I use the in-camera meter on a Bessa-L (and -T, too) with that filter. Setting the EI to 320 gives good exposure on Rollei IR 400.