Archived posting to the Leica Users Group, 2015/02/13

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Subject: [Leica] Monochrom metadata and uncoded lenses
From: john at mcmaster.co.nz (John McMaster)
Date: Fri, 13 Feb 2015 19:49:17 +0000
References: <CAFuU78cBsRyfLdTyY4fu+ZLsiRnXjPMCXQaNBXCN0JaSC4BiGQ@mail.gmail.com> <000001d047b2$0fde1db0$2f9a5910$@ca>

Me, I see this as a reasonable question since Lightroom claims to show you 
the aperture used for the shot......

Looking at the front of the camera there is a circle to the right and about 
the same level as the shutter dial. This measures the exposure for the EXIF, 
no M mount lens (coded or not) gives feedback to the camera about the 
aperture used. It works back from the shutter speed used to work out an 
aperture, usually about 1/2 stop slow (i.e. a Summilux wide open will show 
as f1.7) but gets very wrong when using ND filters ;-)

john

-----Original Message-----

Lew Schwartz offered:
Subject: [Leica] Monochrom metadata and uncoded lenses

I understand ( or think I do) how my Monochrom can write shutter speeds -
whether I'm using the auto setting or setting them manually -  into the
metadata for each shot, but with uncoded lenses, where is the aperture
setting data coming from? Is it anywhere close to being accurate or is it
just arbitrary fallout from digital space?
(no it's because the designers had nothing better to do while killing time
designing LEICAS' one has used for 50 years OR more to a point one can't
afford to buy them any longer!)) :-( 


Hi Lew & CREW!
OK this is such exciting news for shooting photojournalism or in reality any
type of photography!

So the camera records the shutter speed? Now yer shooting the Olympics?
WOW!!!!!! The event is over and you excitedly want to read this information!
WHY? Please give me a simple professional photojournalist's // Sport
Photographers' need to have this nonsense recorded?

Oh CRAP forget it! As my comment will be considered of no consequence to the
numbers people! :-(Or in reality I see it as a waste of time! Because is it
really going to make you a better observing photographer in capturing the
fleeting moments of time? 

I'd be a hell of a lot happier if by some miracle somebody "OFFERED THE
PRICE ON LEIA GEAR HAS BEEEN CUT BY 50%"  by the manufacturer! Now that
would really be worth waking-up to! IF ONLY???? :-)

Now that would be really exciting and nice smiling news worth readying!

But?????????????  Writing the shutter speed and apertures??????? WOW HAPPY
VALENTINES DAY EVERYBODY!

GROUCHY OLD Dr. ted :-(




Replies: Reply from lew1716 at gmail.com (Lew Schwartz) ([Leica] Monochrom metadata and uncoded lenses)
In reply to: Message from lew1716 at gmail.com (Lew Schwartz) ([Leica] Monochrom metadata and uncoded lenses)
Message from tedgrant at shaw.ca (Ted Grant) ([Leica] Monochrom metadata and uncoded lenses)