Ah sorry, yes I misunderstood.  Yup, it could certainly do that...

In fact, wouldn't it switch to Av mode (from P) if you take it off A? I'd test it, but I'd have to go dig up a non-DA lens :) If so, your wheel assignment for Av could have ISO on the other wheel? Ok, it's still changing wheels, but it doesn't lose your usual hyper-P ability.

- Peter

-----Original Message----- From: P. J. Alling
Sent: Friday, November 26, 2010 12:05 AM
To: Pentax-Discuss Mail List
Subject: Re: Firmware enhancement I'd really like to see.

I don't think you understand.  The camera senses that the lens is off
the A setting so it automatically reassigns ISO to the wheel that
handled the aperture, that's easily possible.

On 11/25/2010 5:51 AM, Peter Loveday wrote:
AFAIK this wouldn't be possible; the camera is not able to stop the lens down further than what you set on the aperture ring. Hence the positioning of 'A' at the far end.

- Peter

-----Original Message----- From: P. J. Alling
Sent: Thursday, November 25, 2010 5:06 AM
To: Pentax-Discuss Mail List
Subject: Firmware enhancement I'd really like to see.

As someone who uses a mix of lenses, K/M/A/F/FA I'd really like to be
able to set the ISO in manual mode directly from the wheel that used to
handle aperture automatically when the lens is off the A position,
rather than having to press the OK button or reprogram the wheels.  I
mean really, it would be very convenient.  The camera does that in all
the automatic modes.  Just a thought really.



--
"His lack of education is more than compensated for by his keenly developed moral bankruptcy."
     -Woody Allen


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