i didn't say "the mag. in two cases is different". i did say that comparison is meaningless, although, technically, they have the same mag.
best, mishka On 3/15/07, mike wilson <[EMAIL PROTECTED]> wrote: > You could use the same argument to say that an image made on ASA25 film is > not the same magnification as an image made on ASA1600 film. It's not > relevant. Magnification is the relationship between the original and the > image size, however much information is present. You are right that it > doesn't make much sense to compare the images you suggest, though. It's just > a different issue. > > > > From: Mishka <[EMAIL PROTECTED]> > > Date: 2007/03/15 Thu AM 02:39:12 GMT > > To: "Pentax-Discuss Mail List" <[email protected]> > > Subject: Re: Macro Lenses > > > > magnification on a digital sensor is a moot point anyway. > > how do you measure it? > > suppose you have 24x36mm (FF) sensors: one is 2x2 pixels > > and one is 20MP. does it make any sense to compare 1:1 mag > > images made on them? > > > > best, > > mishka > > > > On 3/14/07, John Whittingham <[EMAIL PROTECTED]> wrote: > > > > > > But you still have to be at the same distance to achieve 1:1 or 1:2 as the > > > case may be, fact! Again depends on the subject matter and whether you > > > require a particular ratio for scientific or technical reasons. > > > > > > John > > > > > > ---------------------------------------------------------------------------------------------------- > > > > > > 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 > > > > > > > -- > > PDML Pentax-Discuss Mail List > > [email protected] > > http://pdml.net/mailman/listinfo/pdml_pdml.net > > > > > ----------------------------------------- > Email sent from www.virginmedia.com/email > Virus-checked using McAfee(R) Software and scanned for spam > > > -- > PDML Pentax-Discuss Mail List > [email protected] > http://pdml.net/mailman/listinfo/pdml_pdml.net > -- PDML Pentax-Discuss Mail List [email protected] http://pdml.net/mailman/listinfo/pdml_pdml.net
