Archived posting to the Leica Users Group, 2000/08/09

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Subject: Re: [Leica] Performers and flare
From: c.blaue@bmsg.de
Date: Wed, 9 Aug 2000 09:54:57 +0200
References: <000101c0012c$4d39db40$7d3140c3@pbncomputer>

Erwin,
this is another keeper!
These couple of figures show so clear what happens: The contrast is reduced by
cutting something in the dark areas.

christoph

<snip>

> contrast, we have a rnage of 100 to 0.25 lux, indicating light and dark
> areas, which is a contrast of 400:1. Add a uniform flare level of 0.25 lux
> and we now have 100.25 and 0.5, giving a contrast of 200:1. The effect on
> the dark areas is big and on the lighter areas to be neglected. This example

<snap>

In reply to: Message from "Erwin Puts" <imxputs@knoware.nl> ([Leica] Performers and flare)