Mailinglist Archives:
Infrared
Panorama
Photo-3D
Tech-3D
Sell-3D
MF3D

Notice
This mailinglist archive is frozen since May 2001, i.e. it will stay online but will not be updated.
<-- Date Index --> <-- Thread Index --> [Author Index]

T3D Re: inverse apodizer

  • From: Brian Reynolds <reynolds@xxxxxxxxx>
  • Subject: T3D Re: inverse apodizer
  • Date: Thu, 29 Apr 1999 13:01:03 -0400
John Toeppen wrote:
> A black spot fading to gray on the edges in produced by firms like
> Reynard Optics to compensate for vingetting ( the fall off in
> brightness  from the center to edge of the image).

In Large Format photography these are called center filters and are
sold for use with very short (90mm and less) focal length lenses.
They often cost almost as much as the lens itself.

-- 
Brian Reynolds                  | "Dee Dee!  Don't touch that button!"
reynolds@xxxxxxxxx              | "Oooh!"
http://www.panix.com/~reynolds  |    -- Dexter and Dee Dee
NAR# 54438                      |       "Dexter's Laboratory"


------------------------------

End of TECH-3D Digest 482
*************************