On Apr 11, 2011, at 4:16 PM, Larry Colen wrote:

> 
> On Apr 11, 2011, at 1:07 PM, Paul Stenquist wrote:
> 
>> 
>> On Apr 11, 2011, at 3:59 PM, Larry Colen wrote:
>> 
>>> 
>>> On Apr 11, 2011, at 5:05 AM, John Sessoms wrote:
>>> 
>>>> From: Larry Colen
>>>>> 
>>>>> It seems to me that if we are shooting a low contrast situation, such
>>>>> as clouds on a grey sky, or with a mediocre, low contrast lens, we
>>>>> could compensate by using a higher ISO to spread the fewer stops of
>>>>> dynamic range in the input out over more bits of data, at the cost of
>>>>> more noise, because we're constraining ourselves to the lower,
>>>>> noisier portion of the signal.
>>>>> 
>>>>> Is this basically accurate?
>>>> 
>>>> IMHO, you're OVER-thinking this. Just go out and look for beautiful 
>>>> pictures. Take 'em.
>>> 
>>> John,  you are obviously not enough of a geek.  For me, one big part of the 
>>> fun is actually learning and understanding what it going on. Another thing 
>>> that I find a lot of fun is being able to take photos that other people 
>>> can't, and that requires understanding what is happening.
>>> 
>>>> 
>>>> Bracket like hell!
>>> 
>>> Unfortunately, the camera will only auto bracket shutter speed.
>> 
>> You can choose what function to bracket in the menus. I don't have my camera 
>> with me at the moment, so I can't recall exactly where that is, but it's 
>> there. A bit obscure if I recall. The menu item isn't directly related to 
>> bracketing, but it has to do with setting a priority for f-stop 
>> differentiation.
> 
> Doing a bit of google-fu it seems that it is dependent upon exposure mode.  
> In Manual, which is what I'm usually shooting when I bracket, it seems to go 
> with shutter speed, but if I set my green button to set exposure in Tv rather 
> than Av, it may bracket aperture instead.  I'll have to try it.
> 

That's it. It's the green-button setting that determines bracketing function. I 
knew it was obscure, but couldn't recall exactly what the menu setting was for.

>> Paul
>> 
>>> I'm completely boggled why you can't choose what to bracket (shutter speed, 
>>> aperture or ISO) since they're all controlled by the camera. For that 
>>> matter you should be able to tell the camera to maintain the same exposure 
>>> and which of the the three to remain constant.
>>> 
>>> While we're at it, with auto focus, you should be able to bracket focus.  
>>> It could be handy for motorsports too, tell the camera to bracket focus 
>>> coming towards you by a set amount each frame.
>>> 
>>>> 
>>>> 
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>>> --
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>>> 
>>> 
>>> 
>>> 
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> 
> --
> Larry Colen [email protected] sent from i4est
> 
> 
> 
> 
> 
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