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[OM] Re: E-300 weird behaviour with Tamron 90/2.5

Subject: [OM] Re: E-300 weird behaviour with Tamron 90/2.5
From: "Wayne Harridge" <wayneharridge@xxxxxxxxxxxxxxx>
Date: Tue, 21 Mar 2006 20:55:20 +1100
Centre weighted and spot exhibit the same behaviour as ESP when the camera
is focussed on an evenly lit wall - as would be expected.

> 
> Well I think I know what Olympus were talking about when they 
> said the old MF lenses only worked correctly in certain 
> aperture ranges.  Tonight I was taking some close-ups of a 
> N*k*n F2 for an *bay ad.  I wanted plenty of DOF so stopped 
> the Tamron down to f16 and fired off a shot with the E-300, 
> the image looked a bit dark so I dialled in +1 stop exp. 
> comp., took another shot and it looked no better, dialled in 
> +3 stops - no change, +5 stops and still no noticeable change 
> to the image or histogram.  I opened the Tamron up to f8 and 
> the exp. comp. seemed to work as expected !  By the way, this 
> was with ESP metering - now I'm going to try spot & CW.  
> Anyone like to hazard a theory as to why the E-300 behaves this way ?
> 
> ...Wayne
> 
> 
> 
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