Archived posting to the Leica Users Group, 2012/01/22

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Subject: [Leica] LR4 Beta problem
From: robertmeier at usjet.net (Robert Meier)
Date: Sun, 22 Jan 2012 19:32:22 -0600 (CST)
References: <p06240807cb422bfe0c27@192.168.1.104> <CAF8hL-FfBEB+W8XY3UKOVvf8a5dwsjFDKDMgaqv7h5rO4TzJTA@mail.gmail.com> <p06240808cb42417413c1@192.168.1.104> <CAF8hL-F-hs+5Mzfas014rK-sVZDfeLBP8Y1hf3O4CyL5w2Va_g@mail.gmail.com>

I have wondered what the difference is between exposure and brightness 
controls.   Thanks.

On Jan 22, 2012, at 4:57 PM, Richard Man wrote:

> Correct: under LR3 and previous, "exposure" adds light to the entire image,
> "brightness" moves the midpoint.
> 
> More or less.
> 
> On Sun, Jan 22, 2012 at 2:48 PM, Herbert Kanner <kanner at acm.org> wrote:
> 
>> I'm NOT using it. I'm just experimenting with its new features in order to
>> understand them, especially to understand them well enough to know whether
>> I will want to upgrade. The crawling behavior of those sliders prevents
>> understanding.
>> 
>> Incidentally, there appears to be a contradiction in LR3. The exposure
>> slider ostensibly correlates with a section called "exposure" in the
>> histogram. But I find that it affects exposure over the entire histogram
>> range, whereas the brightness slider principally affects
>> exposure/brightness in the mid range.
>> 
>> Herb
>> 
>> 
>> 
>> Herbert, may I suggest that you use LR3 if you are not already using it?
>>> 3.6 is a stable release and works well. LR4 will probably not come out 
>>> for
>>> at least another 4-6 months. Let the other trailblazers find the bugs :-)
>>> 
>>> On Sun, Jan 22, 2012 at 1:27 PM, Herbert Kanner <kanner at acm.org> 
>>> wrote:
>>> 
>>>> I'm running LR4 on an iMac whose OS is Snow Leopard. While most sliders
>>>> work fine, the four critical ones: shadows, hilights, etc. are so
>>> sticky
>>>> that they are almost useless if the exercise is to look at the picture
>>> or
>>>> the histogram and watch what they do.
>>>> 
>>>> Is this the behavior of the first release, or is something funny going
>>> on
>>>> in my machine? I've checked the amount of free memory in Activity
>>> Monitor,
>>>> and it is certainly adequate: mucho gigabytes.
>>>> --
>>>> 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<http://leica-users.org/**mailman/listinfo/lug>
>>> <http://**leica-users.org/mailman/**listinfo/lug<http://leica-users.org/mailman/listinfo/lug>>for
>>> 
>>> more information
>>>> 
>>> 
>>> 
>>> 
>>> --
>>> // richard 
>>> <http://www.richardmanphoto.**com<http://www.richardmanphoto.com>
>>>> 
>>> 
>>> ______________________________**_________________
>>> Leica Users Group.
>>> See 
>>> http://leica-users.org/**mailman/listinfo/lug<http://leica-users.org/mailman/listinfo/lug>for
>>>  more information
>>> 
>> 
>> --
>> 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<http://leica-users.org/mailman/listinfo/lug>for
>>  more information
>> 
> 
> 
> 
> -- 
> // richard <http://www.richardmanphoto.com>
> 
> _______________________________________________
> Leica Users Group.
> See http://leica-users.org/mailman/listinfo/lug for more information



In reply to: Message from richard at richardmanphoto.com (Richard Man) ([Leica] LR4 Beta problem)
Message from richard at richardmanphoto.com (Richard Man) ([Leica] LR4 Beta problem)