Archived posting to the Leica Users Group, 2008/04/23

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Subject: [Leica] IMG: the episode in which Hoppy becomes a criminal
From: grduprey at mchsi.com (grduprey@mchsi.com)
Date: Wed Apr 23 18:10:45 2008

Steve,

I was just addressing the fact that the M8 cannot read the actual aperture 
used.  As far as just what the coding does, I remember Leica stating that 
there is other info in the coding for each lens, but have no idea what it is.

Gene

-------------- Original message ----------------------
From: Steve Barbour <kididdoc@cox.net>
>
> 
> On Apr 23, 2008, at 5:18 PM, grduprey@mchsi.com wrote:
> 
> > Stasys,
> >
> > The M8 does not have any connections in the lenses which can read  
> > the actual aperture used.  The R lenses, especially the current ROM  
> > lenses do have this connection and can read the actual aperture.   
> > The M8 can only read the info in the coding bar to record the max  
> > aperture, as there is no linkage to tell the actual used aperture.
> 
> so the coding has nothing to do with outcome or photo quality, just  
> puts the lens into the exif...is that correct?
> 
> 
> Steve
> 
> 
> >
> >
> > Gene
> >
> > -------------- Original message ----------------------
> > From: Stasys Petravicius <stasys1@cox.net>
> >>
> >> Geoff- Thanks for the explaination. I was wondering about all those F
> >> 1.0 lenses out there!  A data review program- EXIF Viewer, which
> >> someone posted on the LUG? shows a LOT of information - more than you
> >> mention for the M8- when I reviewed the data from an image take  
> >> with my
> >> R9 DMR. I just checked a random image taken with an old R 60 mm F2.8
> >> Macro, and it tells me that the image was taken at an F 5.6  
> >> aperture at
> >> 1/30th and a whole host of other details. Great feature for inquiring
> >> minds. Best, Stasys
> >> On Apr 23, 2008, at 7:33 AM, Geoff Hopkinson wrote:
> >>
> >>> Stasys, thanks for looking. The M8 does not report the aperture  
> >>> used to
> >>> EXIF. It also only reports the maximum aperture from a coded lens  
> >>> with
> >>> lens
> >>> detection turned on in the camera. That's why you see so many M8
> >>> photos with
> >>> the aperture listed as f1.0. This is just the default. They aren't  
> >>> all
> >>> Noctis!
> >>>
> >>> Cheers
> >>> Geoff
> >>> http://www.pbase.com/hoppyman/e
> >>> http://gallery.leica-users.org/v/gh/
> >>>
> >>> -----Original Message-----
> >>> Sent: Thursday, 24 April 2008 00:24
> >>> To: Leica Users Group
> >>> Subject: Re: [Leica] IMG: the episode in which Hoppy becomes a  
> >>> criminal
> >>>
> >>> Geoff- I see that a 50mm F1.4 was used- indeed a fast lens- but-  
> >>> where
> >>> is the F5.6 taking aperature in the exif data? I like the cloud  
> >>> image,
> >>> but the walkway composition is more interesting (ha ha- to me).
> >>> On Apr 23, 2008, at 6:52 AM, Geoff Hopkinson wrote:
> >>>
> >>>> To compound my offence, these were taken with a fast fifty AT f  
> >>>> 5.6!!
> >>>>
> >>>>
> >>>>
> >>>> <http://www.pbase.com/hoppyman/image/96037500>
> >>>>
> >>>> <http://tinyurl.com/6fhkou>
> >>>>
> >>>> <http://www.pbase.com/hoppyman/image/96037503>
> >>>>
> >>>> http://tinyurl.com/6r2pc8
> >>>>
> >>>>
> >>>>
> >>>>
> >>>>
> >>>> Cheers
> >>>>
> >>>> Geoff
> >>>>
> >>>> <http://www.pbase.com/hoppyman/e> http://www.pbase.com/hoppyman/e
> >>>>
> >>>> <http://gallery.leica-users.org/v/gh/>
> >>>> http://gallery.leica-users.org/v/gh/
> >>>>
> >>>>
> >>>
> >>>
> >>>
> >>> _______________________________________________
> >>> Leica Users Group.
> >>> See http://leica-users.org/mailman/listinfo/lug for more information
> >>>
> >>
> >>
> >> _______________________________________________
> >> Leica Users Group.
> >> See http://leica-users.org/mailman/listinfo/lug for more information
> >
> >
> >
> > _______________________________________________
> > Leica Users Group.
> > See http://leica-users.org/mailman/listinfo/lug for more information
> 
> best, Steve
> 
> 
> "I never wanted to be famous"
> http://www.blurb.com/bookstore/detail/186890
> 
> 
> _______________________________________________
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