Does Sony force Sigma to disable OS in lens?

Started Apr 26, 2013 | Discussions thread
EinsteinsGhost
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Re: Does Sony force Sigma to disable OS in lens?
In reply to LeicaBOSS, 7 months ago

Haha - blame it on Sony. Of course. I really do believe that they get customer service reports from Sony users who don't know to turn SteadyShot off.

As for these comparison charts... this isn't the right way to assess stabilization. The actual unsharpness due to camera shake has quite a bit of randomness. You can get a perfectly sharp image at 1/8 focal length and blurry photos at 2x focal length. IS will increase the likelihood of a sharp image at slower focal lengths.

The more telling statistic is % sharp photos. Take 50 images and judge how many are critically sharp. Showing one image really doesn't say much.

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From time to time, I point my camera at the right things. This is generally when I forget everything I've learned.

So...
- It is only APSc lens buyers from Sony (those are the ones now missing), but not Sony FF buyers (or APSc owners who buy Sigma FF lenses with OS).
- All Pentax buyers

And I think it might be that Tamron thought preemptively of that? I don't recall Tamron ever offering VC.

I don't think that makes sense at all. Next what? Canon and Nikon buyers who use tripod while forgetting to turn off OS as advised?

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