Archived posting to the Leica Users Group, 1999/01/10

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Subject: Re: [Leica] new 90mm Sumicron
From: Dennis Painter <dpainter@bigfoot.com>
Date: Sun, 10 Jan 1999 22:18:19 -0800
 
toshiro tanaka wrote:
> 
> Dennis,
> 
>         Been reading lots of good stuff about the APO sumi and the regular
> Sumi... yea, I need the stop, man... shooting lots of DARKNESS!
> 
>         However, i'm not sure what the APO and ASPH stuff will do for the
> B/W... color should be really, really good.
> 
>         what do you think?
> 
> TT

B&W images are made of all colors of light, unless you put a filter on
the lens.  APO focuses all colors of light at the same point (within the
definition of 'all colors of light', which is another thread)

IMO  B&W photos will be better with an APO lens, period.

Dennis