Archived posting to the Leica Users Group, 1998/11/29

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Subject: [Leica] TID>Blind Tests
From: Bud Cook <budcook@ibm.net>
Date: Sun, 29 Nov 1998 21:48:43 -0600

How about color differences?  Do you notice any?  In my experience with many
AI-S lenses, the differences in color transmission with Kodachrome was quite
obvious.
Bud
Alexey Merz wrote:

> [Snip]
>
> The *first* thing that this Pentax/Nkion photographer of over 15 years
> did upon aquisition of his M6, 35/1.4 ASPH, and 50/2 was to perform
> blind A-B comparisons of these lenses with the AIS equivalents.
>
> At the widest apertures the Leica stuff won for resolution, contrast,
> and flare supression. The 35 Leica was better at 1.4 than the Nikon
> was at 2.8. In the field (now, based on ~50 rolls of film) I get maybe
> twice the number of sharp exposures at 1/15 and 1/8 as I do with my
> Nikons. At some point perhaps I'll post some 60x enlargements of
> regions of the slides, set up so that the viewer can do his/her own
> A/B tests. Of course, at 5.6 and smaller, there was not much difference
> between the lenses; but I think we all know that already.
>
> -Alexey
>