[Leica] IMGS: Tests with MM and M246

[Tina Manley]

Yes, my LR EXIF has aperture information for every photo I've taken when
the lens information is supplied by the 6-bit code.  That's true for all of
my digital M's.  It's usually in the ballpark but this time since I knew I
had only used the lens wide open or at f/8, I noticed particularly that the
apertures were wrong.

Tina

On Thu, Feb 11, 2016 at 6:03 PM, Howard Ritter <hlritter at bex.net> wrote:

> Tina—
>
> An M has no way to sense what aperture the lens is set to. There’s no
> mechanical or electronic link from the aperture to the camera. The camera
> reads the 6-bit coding to know what model the lens is, and the cam gives
> focus information to the camera, but that’s it.
>
> I saw the aperture reported in the EXIF for your Beard’s Bread image on
> Pbase, but unless that was manually entered, I can’t imagine where it comes
> from.
>
> Have you seen LR, PS, or any other program appear to be reporting aperture
> in the EXIF of an image made with an M?
>
> —howard
>
>
> > On Feb 11, 2016, at 12:48 PM, Tina Manley <images at comporium.net> wrote:
> >
> > PESO:
> >
> > I did some tests with the Noctilux and Summilux on the MM and M246….I
> did notice that neither camera
> > records the aperture correctly because all of the photos were either shot
> > wide open or at F/8 and they were not recorded that way.
>
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>



-- 
Tina Manley
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