On Mon, 3 Apr 2000 14:42:31 EDT, [EMAIL PROTECTED] wrote:
>If I were concerned and wanted to measure the tails, I would first make sure
>that they are present. To image the focal line or -spot by pinhole photograph
>is a sensitive test (it is an old trick to quickly find out if you are on a
>point or line focus). The graph in Bergmanns web-site (which describes tube
>tails) represents nothing else but such an image scanned with a detector.
>Unfortunately, he does not tell us if the intensity scale is linear or
>logarithmic.
I have changed that graph: Now there is a figure showing tube tails of 3
different tubes. The intensity scale is (of course) linear (counts per second).
J"org Bergmann, Dresden
[EMAIL PROTECTED]
