I use the Cokin P-series on my wide-angle lenses, but not in the holder holder. For a ND filter I hold it over the end of the lens. I find it a lot more convenient than using the holders and I can position it more precisely.
-=Mike=- In the Pacific Northwet ----- Original Message ----- From: "Dean" <[EMAIL PROTECTED]> To: <[EMAIL PROTECTED]> Sent: Friday, October 19, 2001 7:15 AM Subject: Cokin ND grads and K mount wide angles | Can you use a Cokin style P-series filter mount on the Pentax K-mount 20mm | and 24mm without noticeable vignetting? (I'm thinking of a modified mount | with the outer filter holders shaved off) | thanks | -dean - 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 .

