> > OK. I think that on this lens - and a few others - the front filter can > > really degrade the image as the front element is strongly curved. > > Ah, so this is why some come with built-in filters. Thanks Shel.
One of the problems with the 18mm f/3.5 is, if you use filters you occasionally get the lettering around the front element reflected back into the lens from the filter. It was documented in one of the tests of the K 18mm f/3.5. My sample has the lettering blacked by the previous owner. John John Whittingham ---------- Original Message ----------- From: Kostas Kavoussanakis <[EMAIL PROTECTED]> To: Pentax-Discuss Mail List <[email protected]> Sent: Wed, 15 Nov 2006 10:37:02 +0000 (GMT) Subject: Re: K 18 f/3.5 on Digital (was Any screens for manual focusing on*istDS?) > On Tue, 14 Nov 2006, Shel Belinkoff wrote: > > > OK. I think that on this lens - and a few others - the front filter can > > really degrade the image as the front element is strongly curved. > > Ah, so this is why some come with built-in filters. Thanks Shel. > > Kostas > > -- > PDML Pentax-Discuss Mail List > [email protected] > http://pdml.net/mailman/listinfo/pdml_pdml.net > > --------------------------------------------------------------------------- ------------------------- > > The information transmitted is intended only for the person to whom > it is addressed and may contain confidential and/or privileged > material. If you have received an email in error please notify > Carmel College on [EMAIL PROTECTED] then delete all copies of it > from your systems. > > Although Carmel College scans incoming and outgoing emails and email > attachments for viruses we cannot guarantee a communication to be > free of all viruses nor accept any responsibility for viruses. > > Although Carmel College monitors incoming and outgoing emails for > inappropriate content, the college cannot be held responsible for > the views or expressions of the author. The views expressed may not > necessarily be those of Carmel College and Carmel College cannot be held > responsible for any loss or injury resulting from the contents of a message. > > --------------------------------------------------------------------------- ------------------------- ------- End of Original Message ------- ---------------------------------------------------------------------------------------------------- The information transmitted is intended only for the person to whom it is addressed and may contain confidential and/or privileged material. If you have received an email in error please notify Carmel College on [EMAIL PROTECTED] then delete all copies of it from your systems. Although Carmel College scans incoming and outgoing emails and email attachments for viruses we cannot guarantee a communication to be free of all viruses nor accept any responsibility for viruses. Although Carmel College monitors incoming and outgoing emails for inappropriate content, the college cannot be held responsible for the views or expressions of the author. The views expressed may not necessarily be those of Carmel College and Carmel College cannot be held responsible for any loss or injury resulting from the contents of a message. ---------------------------------------------------------------------------------------------------- -- PDML Pentax-Discuss Mail List [email protected] http://pdml.net/mailman/listinfo/pdml_pdml.net

