Archived posting to the Leica Users Group, 2000/03/01

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Subject: [Leica] Re: apo definitions
From: "Michael D. Turner" <mike@lcl-imaging.com>
Date: Thu, 02 Mar 2000 04:32:16 +0000
 
Mark Rabiner wrote:

> Erwin Puts wrote:
> ><Snip> They should have added; " and so are
> > most if not all of the consumer photographic lenses". But then Nikon
> > has photographic lenses  with the designation 'APO" and no enlarging
> > lenses with that sticker?
> >
> > Erwin
>
> Having recently run into the use of the tern Tele-SuperAchromat in the
> Hasselblad literature I was under the impression they were telling me it was
> even better corrected 4 colors instead of 3?!.
> Four colors?! RGB and black!?:)
> Which four colors they might be talking about never ceases to amuse me CMYB?!:)
> That's an APO of a different color!
> I'm sure it's more than hype.
> Mark Rabiner

Duh...
Re-read Erwin's writing on this subject; he did describe what "superachromat"
means.
- -Mike