Archived posting to the Leica Users Group, 2004/09/21

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Subject: [Leica] new 1ds mark II
From: tedgrant at (Ted Grant)
Date: Tue Sep 21 19:00:11 2004
References: <007d01c4a00d$d5886000$> <007d01c4a00d$d5886000$> <> <007f01c4a01c$8546bab0$87d86c18@ted> <>

Jonathan Borden explained: digital mgp's and size.
Subject: Re: [Leica] new 1ds mark II

> Ted Grant wrote:
> >
> > So maybe the truth is, a 5-8 mgp is just fine for 99.9% of us, so why
> > are
> > people knocking their brains out being sucked into the larger is
> > better mgp
> > myth when you can't see the difference?

Jonathan responded:
> 99.9% of people seem to make 4x6 prints and in this case you are
> correct. 5 mp is perfectly fine even with a bit of a crop.
> Assuming that there is no point in printing at >  300 dpi (a number
> which is not set in stone, but what many knowledgeable people consider)
> and that there are visible difference ***with some images*** at dpi <
> 300.
> An 8x11.5 is roughly 10 MP in size at 300 dpi.
> A 13x19 is roughly 22 MP in size at 300 dpi.
> Larger prints require even more pixels.
> What is the limit?
> At some point you reach the lpmm resolution of the lens. Better lenses
> will resolve more information with higher mp chips of a given size. If
> you have not so good of a lens, there is no point in more MP (you can
> always smooth any pixel jaggies in photoshop).
> At some point you also reach the diffraction limits of the lens, and of
> the light waves themselves so there is a definite limit to how good
> lenses might be made for a given coverage (e.g. 35mm or APS).
> Of course if your image is blurry and/or out of focus to start out with
> more MP ain't going to fix that.

Hi Jonathan,
So what you're saying is in the end with all this whiz bang high tech
enlarged beyond imagination sizes. If the photographer is a crappy shooter,
all this will do is make him look better as a lousy photgrapher only in
bigger pixels? ;-)


Replies: Reply from jonathan at (Jonathan Borden) ([Leica] new 1ds mark II)
In reply to: Message from bdcolen at (B. D. Colen) ([Leica] new 1ds mark II)
Message from bladman99 at (Dan C) ([Leica] new 1ds mark II)
Message from tedgrant at (Ted Grant) ([Leica] new 1ds mark II)
Message from jonathan at (Jonathan Borden) ([Leica] new 1ds mark II)