F200 - Dual IS mode

charliewallace1 · Apr 26, 2009

Hi,

Just got my new F200EXR, and I have a question about dual IS. It's called dual because it combines sensor-shift with ISO boost. But what if you don't want the ISO boost? If you set it to OFF, does that turn off the sensor-shift? The manual doesn't make this point clear.

THanks in advance for your wisdom...

Charlie

charliewallace1 · Apr 26, 2009

just noticed this earlier thread:

http://forums.dpreview.com/forums/read.asp?forum=1012&message=31311853&q=dual+is&qf=m

charliewallace1 · Apr 26, 2009

OK, read thru the earlier thread, but nobody knew the answer. I'll try to do a test...

EXR · Apr 27, 2009

--

The setting of course turns on/off the sensor-shifting. Of course there is no real "Dual"-IS if you lock ISO manually.

John 3 · Apr 27, 2009

That's right, you can either set an upper limit for ISO or set a specific ISO - both will stop the camera from upping the ISO to an undesirable level but still keep the sensor's IS turned on.
--
John 3

David Clarke29 · Apr 27, 2009

Surely if that is the case then to obtain maximum stability the highest iso within the auto range will always be selected. Only a specific iso will ensure sensor gain is controlled leaving the sensor damper to do its own thing.

Dave. (UK)

David Clarke29 · Apr 27, 2009

--Further to my previous post - maximum iso within the selected range would only be selected if sensor damping was at its full capability and movement of the sensor was still detected. The only option then left to make a stable shooting platform would be to bring the shutter speed up and THEN raise the iso to ensure correct exposure.

Dave. (UK)

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F200 - Dual IS mode

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