Only true in automatic mode. Nick
-----Original Message----- From: "keller.schaefer"<[EMAIL PROTECTED]> Only the speed indication in the finder will be off (depending on the position of the filter). The actual exposure will be fine, as it is not affected by the half-transparent mirror (it is only determined after the mirror has moved up). Regards, Sven -----Ursprüngliche Nachricht----- Von: Peter J. Alling [mailto:[EMAIL PROTECTED] Gesendet: Montag, 7. Februar 2005 19:57 An: pentax-discuss@pdml.net Betreff: Re: LX/circular or linear polarizer The metering will be off depending on the position of the polarizer by up to 1 1/2 stops if I remember correctly. It's not impossible to work with a liner polarizer on an LX but the circular are much easier.