Hi Bruce > Certainly the A and earlier zooms have the problem of not > transmitting the focal length in use. When I briefly tested my > Sigma 100-300/4 EX, the EXIF did indicate the correct focal length > of the images I shot, so I'm guessing it would properly transmit for > the SR. But the age of the lens could have some impact for earlier > 3rd party lenses.
Thanks for that, it looks like there's hope yet then. The Sigma 70-200 EX is a late model just before they updated to DG? the Sigma 100-300/4 EX has been around for a couple of years IIRC, maybe I'll get a result! John ---------- Original Message ----------- From: Bruce Dayton <[EMAIL PROTECTED]> To: Pentax-Discuss Mail List <[email protected]> Sent: Sat, 25 Nov 2006 17:27:14 -0800 Subject: Re: FL information & AS ( was Reservations about DA 16-45) > Hello John, > > Certainly the A and earlier zooms have the problem of not > transmitting the focal length in use. When I briefly tested my > Sigma 100-300/4 EX, the EXIF did indicate the correct focal length > of the images I shot, so I'm guessing it would properly transmit for > the SR. But the age of the lens could have some impact for earlier > 3rd party lenses. > > -- > Bruce > > Saturday, November 25, 2006, 3:21:57 AM, you 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. > > JW> That never occurred to me until you mentioned it, that could > have some JW> serious consequences. I'm not to bothered by the M & A > zooms, I only have JW> four M 24-35, M 35-70, A 35-105 and A 70-210. > But if the Sigma 70-200/2.8 EX JW> doesn't communicate the correct > information it's going to be a right PITA, JW> same goes for the > Tamron 28-75 XR Di to a lesser extent. I'd be left with FA JW> 28- > 105 power zoom and FA 80-320 zoom. What about using rear converters? > Like JW> the F 1.7x and the Sigma EX converters. > > JW> John > > JW> John Whittingham > > JW> ---------- Original Message ----------- > JW> From: Godfrey DiGiorgi <[EMAIL PROTECTED]> > JW> To: Pentax-Discuss Mail List <[email protected]> > JW> Sent: Fri, 24 Nov 2006 07:08:41 -0800 > JW> Subject: Re: AW: Reservations about DA 16-45 > > >> I don't use zooms very much, but I have had excellent results with > >> the FA28-105/3.2-4.5 AL IF, the F100-200/4.5-5.6, the A70-210/4 > >> Macro, the A35-70/4, the F35-70/3.5-4.5 Macro and the FA20-35/4 AL. > >> That last is my favorite zoom lens of all, and I use it a lot > >> (relatively speaking). > >> > >> I don't buy much third party glass. > >> > >> 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 > JW> circumstances. > >> > >> Godfrey > >> > >> On Nov 23, 2006, at 6:59 PM, Markus Maurer wrote: > >> > >> > makes me wonder what Pentax M or A or third party zoom gives the best > >> > results on a digital body? > >> > Has anybody tested the Pentax A35-70mm F4 or Pentax A 28-135mm F 4 or > >> > M75-150 for example? > >> > greetings > >> > >> -- > >> PDML Pentax-Discuss Mail List > >> [email protected] > >> http://pdml.net/mailman/listinfo/pdml_pdml.net > >> > >> ------------------------------------------------------------------------- --- > JW> ------------------------ > >> > >> 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. 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If you have received > JW> an email in error please notify Carmel College > JW> on [EMAIL PROTECTED] then delete all copies of it from your systems. > > JW> Although Carmel College scans incoming and outgoing emails > JW> and email attachments for viruses we cannot > JW> guarantee a communication to be free of all viruses nor > JW> accept any responsibility for viruses. > > JW> Although Carmel College monitors incoming and outgoing emails > JW> for inappropriate content, the college cannot > JW> be held responsible for the views or expressions of the author. > JW> The views expressed may not necessarily be those of Carmel > JW> College and Carmel College cannot be held > JW> responsible for any loss or injury resulting from the contents > of a message. > > JW> ----------------------------------------------------------------- > ----------------------------------- > > -- > 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
