Ken Waller -----Forwarded Message----- From: Ken Waller <kwaller@peoplepc.com> Sent: Mar 24, 2026 6:07 PM To: Ralf R Radermacher <pdml@uebra.de> Subject: Re: Looking for something ... That particular filter is internal to the lens body and has an adjustment wheel that sticks out of the lens body. HTH Ken Waller -----Original Message----- From: Ralf R Radermacher Sent: Mar 24, 2026 5:40 PM To: Subject: Re: Looking for something ... Am 24.03.26 um 21:33 schrieb John Sessoms: > PENTAX circular polarizing filter FA x (with case) 35184 Is there anything special about the Pentax version or is this an 'ordinary' circular polarizing filter for a 112 mm thread like this one: https://www.ebay.com/itm/317514597737 Could be had from a number of manufacturers. Given the choice, I'd recommend Heliopan. Ralf Ralf R. Radermacher - K&ouml;ln/Cologne, Germany Blog : http://the-real-fotoralf.blogspot.com Audio : http://aporee.org/maps/projects/fotoralf Fotos : https://www.fotocommunity.de/user_photos/770012 -- %(real_name)s Pentax-Discuss Mail List To unsubscribe send an email to pdml-leave@pdml.net to UNSUBSCRIBE from the PDML, please visit the link directly above and follow the directions.