If you mean in this thread, yes, I see the suggestion.  I was referring 
to a long time ago when the green button first made its appearance and 
people were complaining about it.

[EMAIL PROTECTED] wrote:
> I actually thought Cory had suggested this, so I apologize again.  
> However this seems like a possible Firmware hack.  There was a cottage 
> industry in hacked firmware for the D300/Digital Rebel to put back 
> functions that were in Canons higher level offerings that were left out 
> in the Rebel.  I wonder if someone will be willing to risk permanently 
> disabling their *ist-D to try something like that.
> 
> Gonz wrote:
> 
> 
>>I've suggested this before, but I dont think Pentax was listening....
>>
>>Or they were, but are sticking with the GB thing so that they can sell 
>>more lenses.  ;)
>>
>>rg
>>
>>
>>[EMAIL PROTECTED] wrote:
>> 
>>
>>
>>>I think you're being too complicated.  How about this.  Call it auto 
>>>stop down compensation
>>>
>>>1.) Mount a K lens.  Or take an A/F/FA off A position.  The Camera 
>>>automatically senses this.
>>>2.) Set the mode dial to Av, if it's not there already.
>>>3.) Press the green button.
>>>    a) The camera takes a meter reading and temporally records it.
>>>    b) The lens stops down to taking aperture and makes a reading 
>>>subtracting the EV value from the temporally stored value.
>>>             The camera now knows the difference between wide open and 
>>>the current F stop set on the lens. 
>>>
>>>Now every time you take an exposure the camera calculates the proper 
>>>exposure based on that offset. (It and also display an estimate of over 
>>>or under exposure in the viewfinder).
>>>
>>>No extra dials or buttons to press.  If you change the aperture you get 
>>>instant exposure compensation. 
>>>
>>>If you change aperture and don't want exposure compensation press the 
>>>green button again. 
>>>
>>>Make this type of operation a menu item in the custom menu with a 
>>>default to the Av behavior.
>>>
>>>Basically an aperture simulator for Av all done in software.
>>>
>>>The only problem is that you might run out metering range, but that's 
>>>true of using the green button Kludge now anyway.
>>>
>>>Cory Papenfuss wrote:
>>>
>>>
>>>   
>>>
>>>
>>>>>>Of course it's academic since it's not an option with the current
>>>>>>firmware, but I don't think it would be too bad.  The +-EV only works
>>>>>>within 3 EV from wide open, and even then you have to do the math of how
>>>>>>many stops you are from wide-open.
>>>>>>   
>>>>>>
>>>>>>         
>>>>>>
>>>>>
>>>>>Or 6 if you calibrate on 3 stops up from open-aperture. I have done 
>>>>>it, Cory, it's a pain, even without having to go into a menu to 
>>>>>indicate the aperture.
>>>>>
>>>>>Kostas
>>>>>
>>>>> 
>>>>>
>>>>>       
>>>>>
>>>>
>>>>I still think that's more confusing than what I'm thinking.  The 
>>>>most annoying thing is having to set (somewhere) the maximum aperture of 
>>>>the lens... I'm thinking a "button+wheel" maneuver in P or Av mode when 
>>>>you mount up a K/M lens.  Firmware could "blink" the aperture (e.g. '1.4') 
>>>>to let you know you set it.  After the lens is mounted and max dialed in ,
>>>>you just have to dial the wheel to match what you've set the lens to.  It 
>>>>saves having to mentally do the math, allows open-aperture metering all 
>>>>the way to the min aperture of the lens, and doesn't require the "GB 
>>>>trick" evertime the lighting changes... only that when you move the 
>>>>aperture ring on the lens you match it with the dial.
>>>>
>>>>How exactly do you get 6 EV?
>>>>
>>>>-Cory
>>>>
>>>>-- 
>>>>
>>>>*************************************************************************
>>>>* Cory Papenfuss, Ph.D., PPSEL-IA                                       *
>>>>* Electrical Engineering                                                *
>>>>* Virginia Polytechnic Institute and State University                   *
>>>>*************************************************************************
>>>>
>>>>
>>>>
>>>>
>>>>     
>>>>
>>>
>>>   
>>>
>>
>> 
>>
> 
> 
> 

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