How necessary is OSS?

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FowlersFreeTime

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I got into a minor disagreement with someone on the Facebook group when discussing the new Sigma 18-50 for the APSC. Lens announcement for those who aren't sure what I'm talking about: https://www.alphashooters.com/commu...es-18-50mm-f2-8-dc-dn-contemporary-lens.3100/
I said it is a brilliant lens because it is so compact and has a nice wide aperture. Many disparaged the lack of OSS, to which I replied that it was an acceptable compromise.

Disclaimer: For those of you who do not swim in those waters (good for you!), the prevailing culture on the FB group is that OSS is 100% necessary for video and stills, and yet strangely this snobbery doesn't detract from the popularity of the Sigma holy trinity of 16/30/56 mm lenses which do not have OSS.

So I started wondering about the topic of OSS. What is your take on lens stability? Specifically in the absence of IBIS, can you get the job done without either? Or would you say its not necessary until a certain focal length?
 
It was meant more as a coincidental reference to GS, following our conversation.

A quick search shows that Hasselblad MF sensors are 53 x 40 for a hypotenuse of 66, Pentax are 43 x 32 for 54. It would seem there isn't much of a standard for MF sensor sizes with that kind of range, and the 57mm for this rumored sensor falls right in the middle.

At least it shows that the idea is out there, and something is (possibly) happening. They quoted it as being the suze of the Fuji GFX100 sensor, I think (although that appears to be 44x33). You are right, the size of the mini-MF sensors varies quite a bit.
 
Speaking of MF and on the same day this gets posted on YT.
 
Speaking of MF and on the same day this gets posted on YT.

OK, so clearly what I need to do is talk about how unlikely it is that I'll ever be awarded a prize of millions of dollars for making clever remarks on a photo forum...

(sits back and waits...)
 

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