Does Sony force Sigma to disable OS in lens?

Started Apr 26, 2013 | Discussions thread
cplunk
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Re: Does Sony force Sigma to disable OS in lens?
In reply to Amateur Sony Shooter, Apr 26, 2013

Amateur Sony Shooter wrote:

If you weight Sigma/Tamron lens for Canon (or Nikon) and Sony version, and if both weight the same chances are Sony version still have OS/VC built-in but the button is concealed - just a thought!

The OS/VC would "fight" with the IBIS and turn the image to crap.  As the OS/VC stabilizes the image the IBIS would continue to shift the sensor around. I've seen some test results on a web page someone around here posted. It wasn't good.

It think they wight about the same because all the bits that create the stabilization can't entirely be just removed without redesigning the entire lens, so they replace them with similar, but non stabilizing bits that just sit there, and weight a similar amount.

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