Archived posting to the Leica Users Group, 2000/10/02

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Subject: Re: [Leica] M6 TTL .58 accurate with a Noctilux?
From: "Henning J. Wulff" <henningw@archiphoto.com>
Date: Mon, 2 Oct 2000 18:13:36 -0700

At 3:13 PM -0500 10/2/00, Emanuel Lowi wrote:
>While focussing accuracy with the .72 & .58 finders may be accurate
>(enough) with the
>50/1, 75/1.4 or 90/2 lenses, a oft-forgotten reality is that with such
>large lenses,
>the lower mag. finders also exaggerate the problem of lens intrusion into the
>viewfinder. The higher mag. finders (M3, .85) by nature show less of this
>problem.
>
>If you use these faster/bigger lenses, especially with their shades, you
>will see
>somewhere between 10-20% more of your framed in-camera image by using the
>higher mag.
>body. I stubbornly stick to the notion that photography begins with
>getting a good
>look at what you are shooting before pressing the shutter release.
>
>Emanuel Lowi
>Montreal

I'm sorry, Emanuel, but that's not true. The percentage of intrusion into
the framed image is exactly the same with all three finders. You might see
more of your lens through the viewfinder on a .58, but the intrusion into
any given framelines will be exactly the same with any magnification of
viewfinder, given a similar accuracy of framing.

The viewfinder is at exactly the same position relative to the lens in all
three (or 4, counting the M3) different cameras, and your cone of vision is
exactly the same for any framed view with a frameline of a given focal
length.

   *            Henning J. Wulff
  /|\      Wulff Photography & Design
 /###\   mailto:henningw@archiphoto.com
 |[ ]|     http://www.archiphoto.com

Replies: Reply from Dante A Stella <dante@umich.edu> (Is EBL a construct? Was: Re: [Leica] M6 TTL .58 accurate with a Noctilux?)