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[OM] Re: More on 35~105 variable aperture...

Subject: [OM] Re: More on 35~105 variable aperture...
From: "Piers Hemy" <piers@xxxxxxxx>
Date: Sun, 4 Apr 2004 18:26:33 +0100
3807180567 on you-know-which auction site has a clear picture of the
red/brown/orange spot. 

Closing in 2.5 hours, currently about $100, selling from Germany, and no
connection, naturlich.

Piers


-----Original Message-----
From: olympus-owner@xxxxxxxxxx [mailto:olympus-owner@xxxxxxxxxx] On Behalf
Of Walt Wayman
Sent: 04 April 2004 18:15
To: olympus@xxxxxxxxxx
Subject: [OM] Re: More on 35~105 variable aperture...

In a genuinely unscientific and amateurish experiment, I just put my 35-105
on an OM-4 and stepped outside.  With the aperture set to f/11 and the lens
pointed at a uniformly sunlit wall, zooming from 35mm to 105mm resulted in a
two segment change in the LED meter reading.  

Looks like it's not a constant aperture lens.  I never really cared.  Even
though I've got the 35-80/2.8 Zuiko and a 28-105/2.8 Tamron, I often still
use the 35-105.  It's a really nice lens, whatever the aperture may actually
be at 67mm.

Walt



> 
> 151888 has the dot, located close to the f/5.6 mark when the lens is 
> at full aperture, though (as with Walt's) I think it is open to 
> question whether it is brown, orange, red...
> 
> I was quoting from the instructions sheet (more or less), but to 
> answer directly, yes there are multiple versions.  I don't know if 
> they have different aperture characteristics.
>  
> Piers
>
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