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Old August 28th, 2008, 03:44 PM   #1
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Setting backfocus with beamer (16x5.5 lens)

Hi all,
We recently used a 720p beamer via component to set the backfocus, as no monitor was at hand. We didn't manage a sharp image at both focal ends !!
Is that because the image on the beamer is too large ( but same resolution as the Panasonic monitor we usually have) or because our stock lens is actually deficient ?
We used the Siemens chart from the lens manual.
Thanks !
Claude Mangold is offline   Reply
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