Archived posting to the Leica Users Group, 1999/12/19
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This is a nice touch in Leicas - Canons seem to use a similar scheme with
their reflected and projected LTM framelines. With the advent of projected
LED, though, the current Leica system for framelines is less-compelling. An
LED system would be able to show field size *and* the single frame for just
about any lens. Plus, it would have fewer moving parts. The only trouble is
that with the paired frame system on the later Ms, you would need a new
system of lens lugs to trigger single framlines.
I always thought it odd that Leica never used field-corrected lines in the M3
- - you have so few framelines, you could get away with projecting all three
lines with parallax correction. Konica did this on the IIIM, which projected
"shrinking" framelines for 35 and half-frame 35 at the same time.
In a message dated 12/19/99 5:58:50 PM, jbcollier@home.com writes:
<< The bright line frames of the Leica M cameras are designed to show the
picture area of a standard mounted slide (23mm x 35mm) at O.7 meter. This
corresponds to about 93% of the full negative. As you focus further away,
less of the picture area is included within the frame lines. With a 50mm
lens focussed at 2.0 meters, the outer edges of the bright line frames show
the picture area. When the 50mm lens is focussed at infinity the picture
area is approximately the outer edges of the bright line plus three frame
line widths all around. Leica decided it was better to be surprised by more
than dismayed by less. Now if PopPhoto measures viewfinder coverage at
infinity, then 77% sounds pretty accurate. This information comes from the
book by Gunter Osterloh, Leica M, Advanced School of Photography.
John Collier
Mr. Meier wrote:
> That Pop Photo article that is so glowing about the M6 TTL and lenses has a
> nasty little sidebar (p. 74) that says the .85 M6's viewfinder frames show
> only 79% percent of the on-film picture area, and that the M6 shows only
> 77%! That means there will be almost a third more area on the negative than
> what the vf frame is showing. Can it possibly be that bad? Couldn't Leica
> make a viewfinder that's a little more precise than just 77%?
</XMP>
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Date: Sun, 19 Dec 1999 15:45:06 -0700
Subject: Re: [Leica] Re: M6 Viewfinder Shows only 77%?
From: John Collier <jbcollier@home.com>
To: <leica-users@mejac.palo-alto.ca.us>
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