I've been using a high-quality USAF resolution test slide to test my
scanners, so I popped it into my P150 with Colorplan CF lens. I don't
know what is officially considered resolved, but with careful focusing
I had no trouble seeing the lines on the smallest target at 228 lp/mm
in the center. Now granted, this is a very high contrast slide (metal
deposited on glass), but it seems that this lens is quite high
quality.
Mark Marr-Lyon
On Mon, 29 Nov 2004 23:56:31 -0500 (EST), Mark Dapoz <md@xxxxxxxxxxxx> wrote:
> Way back then I did some tests of various Leitz/Leica lenses using Gary's
> slide. Here are the results I got:
>
> centre corner
> 90mm Super Colorplan 2.2 (90.2 lp/mm) 1.8 (73.8 lp/mm)
> 90mm Colorplan (old) 2.2 (90.2 lp/mm) 1.4 (57.4 lp/mm)
> 80mm Hector 1.6 (65.6 lp/mm) 1.0 (41.0 lp/mm)
>
> The Colorplan was the older first generation one, not the current generation.
> What I found made the most difference was the projector, not the lens.
> There's
> a world of difference when viewing a slide projected by a P2002 vs a P150,
> even though they may both have a Super Colorplan lens mounted. The P2002
> provides a far more pleasing and balanced image. The projector is much more
> than just a source of light.
> -mark
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