Does Sony force Sigma to disable OS in lens?

Started Apr 26, 2013 | Discussions thread
Adventsam
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Re: Does Sony force Sigma to disable OS in lens?
In reply to Adam Benn, Apr 26, 2013

Adam Benn wrote:

mick232 wrote:

Adam Benn wrote:

Wrong.  Since the evf is displaying an image from the sensor, which is optically stabilized, the image in the evf is stabilized.

Back before evf's, you were correct, as the view finder was a real view using mirrors in front of the sensor.

Wrong. The sensor is only stabilized at the moment of exposure, not during live view.

I was wondering about that, but some quick Googling suggested that it should be stabilized at all times.  Oh well.

Thinking to my experience though, there must be stabilization active once the camera is focused (half press).  When the camera is idle, there is little point to actively stabilizing.  But I believe that is true of lens stabilization too - the stabilization system sits idle but ready, and then activates when the shutter button is depressed half way.

No, the only time you have stabilised evf is during video and that's a bit weird as its digital and weird fluttering goes on, OIS would cure all this, oh but Sony decided its not necessary it seems, frustrating to say the least as the stabilised video aint bad but as soon as you move in lower light static situations you can see the digital stabilisation doing its own thing.

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