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RE: Eclair Cameras: Digest for EclairACL@topica.com, issue 557

The Flange focal depth should be set to the Film plane.It may be adjusted to account for the use of a behind the lens filter. This moves the distance back 1/3 the thickness of the filter. So if you plan on using a behind the lens gel filter, have the flange set for using a filter, and ALWAYS use a gel filter, even a clear.

Then you will not have flange focal distance problems.

-----Original Message-----
From: EclairACL@topica.com
Sent: Dec 5, 2003 7:02 AM
To: EclairACL@topica.com
Subject: Digest for EclairACL@topica.com, issue 557

-- Topica Digest --
	Behind the Lens Filters
	By wellem@bellsouth.net


Date: Thu,  4 Dec 2003 22:05:51 +0000
From: Michael Welle <wellem@bellsouth.net>
Subject: Behind the Lens Filters

Hi everyone,

I have a question:
When the ACL shipped from the factory was the flange focal depth set for the behind the lens filter holder or for the film gate itself?

Secondly, if the flange focal depth is set for the film gate itself could you still use behind the lens filters on lenses greater than 12mm (since depth of focus is not as shallow with longer lenses)?

Michael Welle


End of EclairACL@topica.com digest, issue 557

Steven Gladstone
Gladstone Films
Brooklyn, N.Y. U.S.A.
East Coast List administrator - Cinematography Mailing list

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