Archived posting to the Leica Users Group, 2013/08/01

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Subject: [Leica] Stupidity!I
From: kanner at acm.org (Herbert Kanner)
Date: Thu, 1 Aug 2013 11:38:32 -0700
References: <C57E424B-0699-469F-AB11-D8F079FB49CE@acm.org> <8EB6DBC0-B470-4967-ABE3-65FBCA6D9305@acm.org> <289275EC-2CE1-41CA-9DCD-2D8572FBBA08@frozenlight.eu> <A88B292C-9796-40B0-84BD-F9B1EAC001E2@gmail.com>

Maybe I was misunderstood. On the M9, I concluded that setting aperture AND 
shutter speed manually and letting Auto ISO take care of the ISO was 
extremely useful. What I did not like was using Auto ISO in conduction with 
aperture preferred (on the M9). 

Herbert Kanner
kanner at acm.org
650-326-8204

Question authority and the authorities will question you.




On Jul 31, 2013, at 11:14 PM, Jayanand Govindaraj <jayanand at gmail.com> 
wrote:

> Nathan,
> Spot on. Exactly why I set both manually.
> Cheers
> Jayanand
> 
> Sent from my iPad
> 
> On 01-Aug-2013, at 5:35 AM, Nathan Wajsman <photo at frozenlight.eu> wrote:
> 
>> It is not useless at all to have the camera on aperture priority and auto 
>> ISO. What happens then is that as long as the light is enough to shoot 
>> above the minimum shutter speed at the aperture you have chosen at base 
>> ISO, the camera will use use that ISO. Once the slowest shutter speed has 
>> been reached, the camera starts increasing ISO. And the configuration of 
>> maximum ISO and slowest shutter speed you will accept is extremely 
>> useful, as it allows you to decide how you wish to trade off possible 
>> camera shake for image deterioration due to high ISO. It is the ability 
>> of the Fuji camera to set the slowest acceptable shutter speed that has 
>> driven me (and others) to set both aperture and shutter speed manually.
>> 
>> Cheers,
>> Nathan
>> 
>> On 1 Aug 2013, at 01:17, Herbert Kanner wrote:
>> 
>>> I have to follow up on this, at least for M9 owners. Both the Leica M9 
>>> manual and the firmware in the camera seem to imply that Auto ISO was 
>>> intended for use with the shutter control in A (aperture preferred 
>>> position). This I base on the menu settings in which you can specify the 
>>> highest acceptable ISO and the slowest acceptable shutter speed. As 
>>> stated in a previous email, I found this configuration to be virtually 
>>> useless.
>>> 
>>> The use I did find was either not intended, or not implied by either the 
>>> manual nor the firmware style: I set the shutter speed to 1/250 and took 
>>> a series of shots at progressive f stops. On chimping the result, I saw 
>>> the ISO climbing and the set of pictures looking pretty much the same. 
>>> So for all practical purposes, it is picking "shutter speed preferred". 
>>> 
>>> Herbert Kanner
>>> kanner at acm.org
>>> 650-326-8204
>>> 
>>> Question authority and the authorities will question you.
>>> 
>>> 
>>> 
>>> 
>>> On Jul 31, 2013, at 4:06 PM, Herbert Kanner <kanner at acm.org> wrote:
>>> 
>>>> I now admit to terminal stupidity. Auto ISO makes sense on M's when a 
>>>> shutter speed has been selected, not when Aperture Preferred is set. 
>>>> With a chosen shutter speed, it in effect becomes "shutter speed 
>>>> preferred".
>>>> 
>>>> Herbert Kanner
>>>> kanner at acm.org
>>>> 650-326-8204
>>>> 
>>>> Question authority and the authorities will question you.
>>>> 
>>>> 
>>>> 
>>>> 
>>>> 
>>>> _______________________________________________
>>>> 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
>> 
>> Nathan Wajsman
>> Alicante, Spain
>> http://www.frozenlight.eu
>> http://www.greatpix.eu
>> 
>> Books: http://www.blurb.com/bookstore/search?search=wajsman&x=0&y=0
>> PICTURE OF THE WEEK: http://www.fotocycle.dk/paws
>> Image licensing: http://www.alamy.com/search-results.asp?qt=wajsman
>> Blog: 
>> http://www.nathansmusings.eu/
>> 
>> 
>> 
>> 
>> 
>> _______________________________________________
>> 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



In reply to: Message from kanner at acm.org (Herbert Kanner) ([Leica] Stupidity!I)
Message from kanner at acm.org (Herbert Kanner) ([Leica] Stupidity!I)
Message from photo at frozenlight.eu (Nathan Wajsman) ([Leica] Stupidity!I)
Message from jayanand at gmail.com (Jayanand Govindaraj) ([Leica] Stupidity!I)