Archived posting to the Leica Users Group, 2005/10/30

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Subject: [Leica] Metering on Canon DSLR with Leica R Lens
From: leica at robsteve.com (Robert Stevens)
Date: Sun Oct 30 16:46:32 2005

Lee:

I have not used the 20D, but on my last three Canon digitals, D2000, 
1D, 1D MkII, you have to make sure you set the aperture to f1 on the 
camera.  On the 1D series, you set custom function 5 to 2 (cf5-2) and 
it allows the aperture to be selected even without a lens (or canon 
lens) mounted.  With this CF set, you can spin the aperture dial to 
f1 with a leica lens mounted and the metering will be proper in AV and M.

Regards,

Robert



+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++

Dear Luggers,

I've been metering on my 20D and Leica R lens(using Aperture Priority)
on all modes: Evaluative, Partial, Centerweighted Averaging with mix
results.  Most of the time, regardless of mode, I have to do some manual
adjustments, otherwise, the pictures appear dark.  Is it possible that
with Leica lens, since the AF points are not active, the metering mode
is not working optimally.  My research suggest I use Partial which is
like semi-spot with center 9% being metered.  But sometime it doesn't
really read the light correctly.  Whats the "best" mode to use?

Pls share your experience here.

Many Thanks
Lee




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Replies: Reply from joseph at yao.com (Joseph Yao) ([Leica] Metering on Canon DSLR with Leica R Lens)