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Re: [OM] 35-80mm diaphragm

Subject: Re: [OM] 35-80mm diaphragm
From: John Hermanson <jhermanson21@xxxxxxxxx>
Date: Mon, 4 Apr 2022 13:41:32 -0400
And if you zoom from 35mm at 2.8 while holding DOF, the blades slowly
disappear, correct.  Thank you for checking so quickly and getting back.
It is how I had hoped.  Customer actually wanted me to take the blades
completely out.   There are some things I just won't do. 8-)

On Mon, Apr 4, 2022 at 11:56 AM Stephen Troy <sctroy60@xxxxxxxxx> wrote:

> John, that appears normal based on my copy.  You can see the tips of the
> blades at 35/2.8 (not a perfectly round circle at all) and, interestingly
> enough, when you press the stop down button, you can see even more of the
> blades at 2.8.  At 80mm, the blades disappear at 2.8.
>
> Steve Troy
>
> On Mon, Apr 4, 2022 at 11:15 AM John Hermanson <jhermanson21@xxxxxxxxx>
> wrote:
>
> > I honestly have not seen many of these.  Customer claims that blades
> show a
> > little at 35mm f2.8.  Is this normal (like a zoom with constant f stop)
> or
> > not normal.   Cust. wants me to take the blades OUT.  Won't be doing
> that.
> > I think there's just a  defect (or tampering).  All input appreciated.
> >
> > --
> > John Hermanson
> > Camtech Photo Services, Inc.
> > 21 South Lane
> > Huntington, NY  11743-4714
> > www.zuiko.com   : | :  jhermanson21@xxxxxxxxx
> > --
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>

-- 
John Hermanson
Camtech Photo Services, Inc.
21 South Lane
Huntington, NY  11743-4714
www.zuiko.com   : | :  jhermanson21@xxxxxxxxx
-- 
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