Archived posting to the Leica Users Group, 1998/02/15

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Subject: Re: [Leica] Handheld Limit of Noctilux
From: Erwin Puts <imxputs@knoware.nl>
Date: Sun, 15 Feb 1998 11:51:42 +0100

>I have 16X20 prints in the National Art Gallery of Canada and they don't
>purchase unsharp photographs-! And many in the collection were shot at
>1/15th.

Sharpness is still undefined here. If you  tell us that you get
enlargements of 16 times from negatives shot at 1/15 I can only presume
that the grain is masking any idea of sharpness and/or that the
subjectmatter lacks any fine detail. I also wonder at what distance these
pictures have to been looked at to give the impression of sharpness.
With all due respect I am inclined to suggest that the discussion about
sharpness and the proofs thereof will rest on a decent and measurable
yardstick. BTW: sharpness according to all books I have read is a
subjective and therefore interpretative idea.
This thread is very interesting as it pertains to some concepts dear to the
heart of any Leica user: the ultimate image quality. Sharpness is part of
that, but which one I do not know.
Erwin