Re: [Leica] M6 metering question

["Dan Post" <dpost@triad.rr.com>]

BINGO!

- ----- Original Message -----
From: "Peter Jon White" <PeterJonWhite@PeterWhiteCycles.com>
To: <leica-users@mejac.palo-alto.ca.us>
Sent: Saturday, May 06, 2000 12:52 PM
Subject: Re: [Leica] M6 metering question


> I've never used an F5, and most likely never will. Unless I'm mistaken,
the
> F5 and other new plastic fantastics have on board computers that analyze
> the readings from many points on the film plane and come up with a meter
> reading based on some algorithm. It could be that when the meter sees the
> same exposure value across the entire film plane it assumes you are
> shooting the sky, hence the greater exposure.
>
> On the other hand, one meter could just be off. The find out if the M6
> meter is reading correctly, get a grey card and place it in direct
> sunlight. Then read the grey card with the M6 meter. The M6 should give
you
> 125th sec, f:16 at asa 125. In other words, sunny sixteen.
>
> We don't need no steengking algorithms!
>
> PJW
>
> At 04:46 PM 5/6/00 +0100, Simon Lamb wrote:
> >Hi
> >
> >I have been using my M6 for a few days now and I have a question.  I
> >pointed the camera at a whitewashed textured wall, with ISO 400 Tri-X
> >loaded, a 50mm f/2 attached and with the film speed dial set to 400, and
> >the red dot appeared when the camera was set to a shutter speed of
> >1000/sec at f/13 or f/14 (whatever the half stop between f/11 and f/16
> >is on the lens).  I pointed my Nikon F5 at the same spot on the same
> >wall using an ISO400 speed and an 85mm f/1.8 lens and, using spot
> >metering (therefore switching off any colour metering capability), it
> >registered settings of 400/sec at f/10.
> >
> >There is a significant difference here and I wondered if anyone could
> >explain to me the reasons for the difference in metering and subsequent
> >camera set-up.  I have always trsuted the F5 meter and it has never been
> >anything other than spot on.  I am sure the M6 meter is equally
> >accurate.  However, given that I would probably want to dial in some
> >overexposure on the white wall to get the whiteness and texture on the
> >film, I do not have any f/stops or shutter speed left to enable me to
> >overexpose by 1 or 1.5 stops.
> >
> >Any explanations would be gratefully received.
> >
> >Regards.
> >
> >Simon
>
> Peter Jon White
> Peter White Cycles
> 666 Mass Ave.
> Acton, MA 01720
> 978 635 0969 Voice
> 978 929 9654 Fax
> www.PeterWhiteCycles.com
>