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Re: lens test, advice

  • From: Marco Pauck <pauck@xxxxxx>
  • Subject: Re: lens test, advice
  • Date: Sun, 03 Dec 2000 22:58:31 +0100
> Rudolf KLEIN wrote:
> 
> Is there any test results for the Heliar 12mm?
> Is the Heliar 15mm lens good in terms of distorsio? I am an architect and this is a crucial feature.

Both lenses were tested by the German Foto Magazin:
- 4.5/15mm in issue 4/1999
- 5.6/12mm in issue 12/2000

For both the overall results were quite good, however both
suffer from significant vignetting even when stopped down:
about 2 f-stops for the 15mm and about 3 f-stops for the 12mm.

Distortion isn't a big issue (0.3/0.4% for the 15mm and 0.3/1.6%
for the 12mm).

	Marco
--
Marco Pauck -- marco@xxxxxxxx -- http://www.pauck.de/marco/
For every complex problem, there is a solution that is simple,
neat, and wrong.  -- H. L. Mencken