Archived posting to the Leica Users Group, 2011/07/01

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Subject: [Leica] M lens 21mm F2.8 pre ASPH
From: hopsternew at gmail.com (Geoff Hopkinson)
Date: Sat, 2 Jul 2011 08:03:47 +1000
References: <000901cc37c4$4a9777a0$dfc666e0$@chiaroscuro.co.nz> <CA32FCBB.1117A%mark@rabinergroup.com> <000001cc37c9$6d141a90$473c4fb0$@chiaroscuro.co.nz>

No need to wait until 2525.
I can look at the metadata of a photo in Library of Lightroom 3. In addition
to the focal length (and equivalent 35mm focal length) and estimated
aperture used, it tells me that the lens used was Leica Summilux-M 50mm
f/1.4 ASPH.
That is accurate right down to the full stop after ASPH ;-)

In my experience the estimated aperture value is typically within half to
one stop and often much closer than that.

Of course the EXIF also includes information such as any exposure bias,
metering, ISO, etc.

Cheers
Geoff

*Life's not black and white, except at both ends*
http://www.pbase.com/hoppyman



-----Original Message-----
>
> Well  in the year 2525 Leica will figure out how to get its inform into the
> metadata accurately. I hope its before than that I can swing one. A body
> that is. I have a rather complete set of M glass.
>
>
> Mark William Rabiner
>
>


Replies: Reply from john at chiaroscuro.co.nz (John McMaster) ([Leica] M lens 21mm F2.8 pre ASPH)
Reply from mark at rabinergroup.com (Mark Rabiner) ([Leica] M lens 21mm F2.8 pre ASPH)
In reply to: Message from john at chiaroscuro.co.nz (John McMaster) ([Leica] M lens 21mm F2.8 pre ASPH)
Message from mark at rabinergroup.com (Mark Rabiner) ([Leica] M lens 21mm F2.8 pre ASPH)
Message from john at chiaroscuro.co.nz (John McMaster) ([Leica] M lens 21mm F2.8 pre ASPH)