> As long as the correct focal length appears in the EXIF data, > everything should work all right. I have not specifically tested the > case with the Pentax Rear Converter-A 2x-S fitted behind a lens > known to transmit the correct data.
Thanks Godfrey, I reckon I'll just have to wait and see. Regards, John ---------- Original Message ----------- From: Godfrey DiGiorgi <[EMAIL PROTECTED]> To: Pentax-Discuss Mail List <[email protected]> Sent: Sat, 25 Nov 2006 05:59:32 -0800 Subject: Re: FL information & AS ( was Reservations about DA 16-45) > On Nov 25, 2006, at 3:21 AM, John Whittingham wrote: > > >> I personally would not buy a pre-AF zoom lens again, however, > >> particularly for the K100D or K10D bodies, as without the focal > >> length information transmitted from lens to body, obtaining benefit > >> from the antishake technology is a bit more of a pain than I would > >> be interested in. It's ok to set a focal length for a prime, a pain > >> when the point of using a zoom is convenience in rapidly changing > >> circumstances. > > > > That never occurred to me until you mentioned it, that could have some > > serious consequences. I'm not to bothered by the M & A zooms, I > > only have > > four M 24-35, M 35-70, A 35-105 and A 70-210. But if the Sigma > > 70-200/2.8 EX > > doesn't communicate the correct information it's going to be a > > right PITA, > > same goes for the Tamron 28-75 XR Di to a lesser extent. I'd be > > left with FA > > 28-105 power zoom and FA 80-320 zoom. What about using rear > > converters? Like > > the F 1.7x and the Sigma EX converters. > > As long as the correct focal length appears in the EXIF data, > everything should work all right. I have not specifically tested the > case with the Pentax Rear Converter-A 2x-S fitted behind a lens > known to transmit the correct data. > > Godfrey > > -- > 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
