Sorry Alex, but although it may be possible, it's not really feasible. Since the angle from the sun determines the amount of polarization, you will have uneven polarization of the sky using a super wide lens, not to mention vignetting with even the thinnest of filters.
Bill KG4LOV [EMAIL PROTECTED] ----- Original Message ----- From: <[EMAIL PROTECTED]> To: <[EMAIL PROTECTED]> Sent: Thursday, April 18, 2002 2:04 PM Subject: How to use polarizer on rear filter lenses > Hello all, > > I am considering to buy a super wide angle lens (17-20 mm) but many of these > lenses use > rear filters. As I will use this lens mostly for landscapes and, in that > case, polarizer is > essential, how do we use polarizer in such lenses? Is it possible? > > Regards > > Alex > - > This message is from the Pentax-Discuss Mail List. To unsubscribe, > go to http://www.pdml.net and follow the directions. Don't forget to > visit the Pentax Users' Gallery at http://pug.komkon.org . - This message is from the Pentax-Discuss Mail List. To unsubscribe, go to http://www.pdml.net and follow the directions. Don't forget to visit the Pentax Users' Gallery at http://pug.komkon.org .