Archived posting to the Leica Users Group, 2000/10/03

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Subject: Re: [Leica] finder intrusion
From: "Henning J. Wulff" <henningw@archiphoto.com>
Date: Tue, 3 Oct 2000 18:40:51 -0700

At 8:40 PM -0500 10/3/00, Emanuel Lowi wrote:
>>"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, I stand corrected on the percentage of finder intrusion with
>different
>magnifications. For that, I thank you.
>
>However, it is obvious upon inspection that the lower mag. finders feature
>a more
>annoying appearance of the intruding lens into the finder. This, coupled
>with the
>issue of easier binocular viewing and greater focussing accuracy mean, for
>me at
>least, that I choose to use the highest mag. finder possible with a given
>lens. That
>means .85 for 35mm lenses, the M3 finder for 50mm and up (I don't use the
>75mm, BTW),
>.72 for the 28mm lens only. We'll see what the .58 has to offer for
>non-glasses
>wearers.
>
>Emanuel Lowi
>Montreal

I have the Hexar, which has a finder pretty close to the .58 to make
comparisons reasonably valid. I do find that the lens intrusion is somewhat
more noticeable, but then, I once had a Summarex on a IIIg. Now _there's_
finder intrusion! I didn't like the VIDOM unless absolutely necessary, so I
used the built-in 90 frame.

Anyways, it doesn't bother me a lot.

W.r.t the both eyes open thing, I can understand that, but I tend to use
only one eye. My grandfather had one of those opaque finders mentioned
earlier on the list (I thought it was a Braun finder, as he used it with
his Paxettes) and I liked using that, but I rarely made it a practice to
use both eyes with 35mm. It didn't really work with anything except the M3,
and I never had one of those. 4x5 with binocular reflex viewers yes, but
not 35.

   *            Henning J. Wulff
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