Archived posting to the Leica Users Group, 1998/01/19

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Subject: [Leica] RF versus SLR accuracy
From: leover@knoware.nl
Date: Tue, 20 Jan 1998 04:37:40 GMT

You're right that this depends on the focal length. I remember though
that Leica used say that the break-even point of focussing accuracy is
135mm. With shorter lenses the rangefinder models are supposed to be
more accurate, with longer lenses SLRs should do better.

>Even if the M and R lenses Summicron are identical, I could well =
understand
>that photos taken with an R camera with the 90 lens might appear
>consistantly sharper because of the accuracy of focusing.  The M6 finder
>image is so reduced in size that consistant accuracy of focus with 90 =
and
>longer lenses wide open is more chancey.
>
>James H. Barker (Jim) - jbarker@polarnet.com
>High Latitude Documentary / Ethnographic Photography
>Fairbanks, Alaska
>
>