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Re: [OM] Zuiko 28 - 48 f 4

Subject: Re: [OM] Zuiko 28 - 48 f 4
From: John Robison <omrobison@xxxxxxxxx>
Date: Tue, 15 Feb 2000 04:42:54 -0800 (PST)
  Greetings Angel, what could be happening with the
short 28-48 zoom is that with landscapes the 28mm
setting is reading a lot more sky than the 48mm
setting. How are you metering these pictures? Are you
useing the spot meter to read only a small area, or
are you letting the camera's adveraging meter pick the
exp. on auto? Another point, how do the slides come
out? do they show what the meter indicates. Just some
thoughts on your question. You might try reading a
evenly lighted, blank wall and see if the results are
the same.        regards, John Robison  

--- Ángel_Lobo <angel.lobo@xxxxxxxxxx> wrote:
> Hello all.
> 
> I have two items of this Zuiko zoom 28-48, because I
> like it very much for
> travel.
> 
> Working with both lenses I observe:
> 
> 48mm: Perfect espos.
> 35mm:  1/3 underexpos.
> 28mm:  almost 2/3 underexpos.
> 
> Last October I do a test with 28 f2, 28 f2.8 and
> Zoom 28-48 on 28mm, on a
> urban landscape and over a mira-test at all
> apertures of all three lenses.
> 
> The problem (for me) with the zoom is that the zoom
> on 28mm don´t give a
> good information to the camera (OM 4).
> 
> If I read light with the 28 f2.8, for instance, and
> this gives me 1/125s
> and  f11, I shoot with the three lenses 1/125 f 11
> and all exposures are
> perfect. 
> 
> On this conditions, if I read the light with the
> Zoom on 28mm, this lens
> bring me  1/125 and f 11-16 (half a point or 2/3  of
> difference).
> 
> I want to know if some members on the list have this
> problem with the Zuiko
> 28-48.
> 
> Is this a common problem on this Zuiko Zoom ?
> 
> Thanks in advance.
> 
> 
> Ángel Lobo.
> CUENCA (Spain)
> 
> angel.lobo@xxxxxxxxxx
> 
> 
> 
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> 
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