Archived posting to the Leica Users Group, 2010/12/06

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Subject: [Leica] R glass on Nikon question - hopefully the last one.
From: jhnichols at lighttube.net (Jim Nichols)
Date: Mon, 6 Dec 2010 12:54:01 -0600
References: <mailman.1116.1291492805.88697.lug@leica-users.org> <SNT121-DS3D55775F4EB8C25901D21D42B0@phx.gbl>

Hi Aram,

I am awaiting responses to your questions, because this all seems like the 
result of too much information.  I use Leica-R lenses on Olympus 4/3 
cameras, and the process is very simple.  I set the selector to "A", and the 
camera determines the light quantity at any f-stop I select.  It then sets 
the appropriate shutter speed for the ISO I chose, and the light available 
from the lens.

Jim Nichols
Tullahoma, TN USA
----- Original Message ----- 
From: "Aram Langhans" <leicar at q.com>
To: <lug at leica-users.org>
Sent: Monday, December 06, 2010 12:37 PM
Subject: [Leica] R glass on Nikon question - hopefully the last one.


> Query for those Nikon/Leica shooters.  I converted one lens to Nikon mount 
> for experimenting with.  Finally got a chance to go to Seattle and try it 
> on a Nikon camera as a prerequisite for my getting the D7000.   The best 
> they had on the shelf for demo was a D90, so I gave it a try.  Mounted the 
> lens, checked the infinity focus and it was fine.  Selected A mode and 
> tried to shoot and it would not shoot.  Went to the clerk and he said 
> because there was no communications between the lens and camera it did not 
> know what f-stop it was.  We spun the f-stop wheel and it did not change 
> anything.  On my Canon, it just picks an f-stop if you don't have a chip, 
> and you can shoot.  I always choose f-2.0, as that works well.
>
> I put the D90 it in M mode and still no f-stop, but it would fire.  But it 
> would not show any exposure readings in the viewfinder so I had no idea 
> what the correct exposure was.  I experimented a bit till I got the 
> correct exposure for f-2.0, then worked my way through the f-stops and 
> shutter speeds manually checking for any exposure problems ala Canon. 
> Spot on. That problem is solved over Canon.
>
> So, my question to those who use R glass on Nikon, how do you deal with 
> this problem of no f-stop communication?  The clerk said the D7000 and 
> above has a way of setting the f-stop in the menus, but I am wondering if 
> I need to do this for each lens?  Every time I change lenses?  That would 
> be an even bigger hassle than the Canon exposure problem.  How do you do 
> it?
>
> Aram
>
>
>
> _______________________________________________
> Leica Users Group.
> See http://leica-users.org/mailman/listinfo/lug for more information
>
> 




In reply to: Message from leicar at q.com (Aram Langhans) ([Leica] R glass on Nikon question - hopefully the last one.)