The thing he said that people are contending against is : >> Magnification in macro work means the ratio of the size of the >> subject to the size of the format.
Nothing else he posted was incorrect but this part was. jco -----Original Message----- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of William Robb Sent: Thursday, March 15, 2007 2:57 PM To: Pentax-Discuss Mail List Subject: Re: Macro Lenses ----- Original Message ----- From: "Mishka" Subject: Re: Macro Lenses > incorrect. a 1:1 reproduction of an object 10mmx10mm is 10mmx10mm > regardless whether it is on a sensor, a piece of film or a wall. > > size of the format does not enter the equation. Actually, what Godfrey is saying is correct. You might want to try rereading his post. William Robb > On 3/15/07, Godfrey DiGiorgi <[EMAIL PROTECTED]> wrote: >> So at 1:1 magnification, a Pentax DSLR will image a 16x24mm subject >> area. > ... >> So at 1:1 magnification, a Pentax 35mm SLR will image a 24x36mm >> subject area. >> >> etc >> >> The key thing is that the number of pixels or the density of the film >> is irrelevant to magnification, which is what the example was >> attempting to show. >> -- PDML Pentax-Discuss Mail List PDML@pdml.net http://pdml.net/mailman/listinfo/pdml_pdml.net -- PDML Pentax-Discuss Mail List PDML@pdml.net http://pdml.net/mailman/listinfo/pdml_pdml.net
