Archived posting to the Leica Users Group, 2002/06/24

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Subject: Re: [Leica] Summicron Hood on Summilux?
From: "Paul Jones" <nrg666@hotmail.com>
Date: Tue, 25 Jun 2002 15:28:07 +1000
References: <000201c21ba3$57c8ecc0$94ed0e50@steveuns> <OE23IwMw8lODAStRc0J000021f2@hotmail.com> <p0510030cb93da4c775f0@[209.53.33.241]>

Hi Henning,

Thanks for the info, thats much easier way to do it:) I actualy wanted to
put the summicron hood on so that i could have a hood that a lense cap
attaches too. But i also have a strong feeling that it will vignette.

Thanks,
Paul
- ----- Original Message -----
From: "Henning Wulff" <henningw@archiphoto.com>
To: <leica-users@mejac.palo-alto.ca.us>
Sent: Tuesday, June 25, 2002 2:59 PM
Subject: Re: [Leica] Summicron Hood on Summilux?


> At 10:33 AM +1000 6/25/02, Paul Jones wrote:
> >Hi Steve,
> >
> >I have been wanting to put an ASPG Summicron hood on my Summilux for a
> >while, but have been concerned about it vignetting also. Would you be
able
> >to put the hood on your summilux and take a shot to see if it is okay?
> >
> >Thanks,
> >Paul
> >----- Original Message -----
> >From: "Steve Unsworth" <mail@steveunsworth.co.uk>
> >To: <leica-users@mejac.palo-alto.ca.us>
> >Sent: Tuesday, June 25, 2002 3:19 AM
> >Subject: RE: [Leica] Summicron Hood on Summilux?
> >
> >
> >>  Dunno, but it certainly fits. I have both lenses and I'd never thought
> >  > of try the ASPH hood on the old Summilux.
> >  >
>
> Taking a shot doesn't do it. It will tell you if you think it might
> be good enough to get by and the corners don't get completely dark,
> but that's not the way to do it.
>
> Put the lens (old Summilux) on the camera, open the back and put the
> camera on B. Using a locking cable release, lock the shutter open.
> Look a the back when the aperture is set at f/1.4. When holding the
> camera so that you can look through one of the corners of the film
> plane aperture from the baack. See what the lens opening looks like.
> Now put on the hood. Does it cut into what you can see of the lens
> aperture? Then it vignettes.
>
> You can also do this by looking through the front, with the lens hood
> in place. Hold the camera up so that you can see the corners of the
> film plane aperture through the lens from the front. If the lens hood
> interferes in any way with your seeing the corners through the full
> lens opening, then the lens hood vignettes.
>
> All this is standard practice when using large format with movements.
> There you often get into strange lens positions with compendium hoods
> that you have to wrestle into non-vignetting positions in the field.
> Since I've written about this once a year here, there should be
> further references in the archives.
>
> I don't have an old Summilux at present, but I believe the hood does
> vignette. It's better to get the right one, the 12504.
>
> --
>     *            Henning J. Wulff
>    /|\      Wulff Photography & Design
>   /###\   mailto:henningw@archiphoto.com
>   |[ ]|     http://www.archiphoto.com
> --
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>
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In reply to: Message from "Steve Unsworth" <mail@steveunsworth.co.uk> (RE: [Leica] Summicron Hood on Summilux?)
Message from "Paul Jones" <nrg666@hotmail.com> ([Leica] Summicron Hood on Summilux?)
Message from Henning Wulff <henningw@archiphoto.com> (Re: [Leica] Summicron Hood on Summilux?)