Hi Christian > It certainly is. However, with the matching 1.4x and 2x EX > converters it still shows up as 300mm. I'm not sure if that would > adversely effect SR (600mm vs 420mm vs 300mm). As a point of > example, the Canon 300/4 and 1.4x converter show as 420mm in the > EXIF data and the 600/4 + 1.4x show up as 840mm.
Forgive me I've been away from the list for some time, it was you who told me originally I believe, as well as showing some of your great images. I feel OK with the 300 and converters because I can enter the focal length manually as long as the camera will let me. I'm pretty sure I should be able to overide the automatic settings, but it remains to be seen. It's the zoom I'm concerned with knowing some of the problems Canon owners have had to put up with Sigma lenses such as the 70-200/2.8 EX. Regards John John Whittingham ---------- Original Message ----------- From: Christian <[EMAIL PROTECTED]> To: Pentax-Discuss Mail List <[email protected]> Sent: Sat, 25 Nov 2006 10:28:12 -0500 Subject: Re: FL information & SD ( was Reservations about DA 16-45) > John Whittingham wrote: > > > > > Thanks for that information, it's reassuring to know. I'm sure I read > > somewhere that the Sigma 300/4 APO is recognised as FA 300/4.5 > > It certainly is. However, with the matching 1.4x and 2x EX > converters it still shows up as 300mm. I'm not sure if that would > adversely effect SR (600mm vs 420mm vs 300mm). As a point of > example, the Canon 300/4 and 1.4x converter show as 420mm in the > EXIF data and the 600/4 + 1.4x show up as 840mm. > > Christian > > -- > 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
