Canon Lens Rumors

Canon to announce an RF 85mm f/1.2L USM DS (Defocus Smoothing)

It appears Canon has trademarked “DS” or defocus smoothing and that the feature will appear in an upcoming Canon RF 85mm f/1.2L USM DS.

It appears that we’re going to see both an RF 85mm f/1.2L USM and an RF 85mm f/1.2L USM DS announced on Thursday.

You can see the “DS” labeling on one of the RF 85mm f/1.2L lenses

What is defocus smoothing? if we had to guess, it’s likely a way to improve the look of out of focus areas or “bokeh”.

Anything that makes an 85mm f/1.2L bokeh even better is going to be pretty awesome.

There have been a lot of patents over the last few years for Canon lenses with apodization filters, which could be related to the Defocus Smoothing we’re seeing here.

That would make RF 6 lenses to be announced on Thursday, we’ve been told as many as 8 are possible.

More to come….

Sep 13, 2011
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#4
If it is two 85's then it shouldn't of been too much to adapt the non DS models to DS.

Fuji's APD as mentioned about by Padam had a downside but I forget what that was.
 
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Aug 19, 2018
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#5
It may be an apodization element, like with Sony/Minolta STF or Fuji APD.
I was thinking along the same lines. The APD elements really create impressive results for out-of-focus areas. But I also hear they suffer a steep light transmission penalty; somewhere between 2/3 to 1.5 stops. Not that it really matters with a 1.2 lens, though.
 

padam

EOS 7D MK II
Aug 26, 2015
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#6
If it is two 85's then it shouldn't off been too much to adapt the non DS models to DS.

Fuji's APD as mentioned about by Padam had a downside but I forget what that was.
In Fuji's case it is not compatible with phase-detect AF.
I was thinking along the same lines. The APD elements really create impressive results for out-of-focus areas. But I also hear they suffer a steep light transmission penalty; somewhere between 2/3 to 1.5 stops. Not that it really matters with a 1.2 lens, though.
That's inevitable, but of course as a latest development, the light loss might not be as severe.
Personally, the EF 85/1.2 already hits the mark, where the blur doesn't need to be smoother still (for way less money). Looking at STF examples, in some cases it looks too smooth for me to the point of not being as characterful.
 
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Mar 22, 2012
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#11
Speed of focusing will be interesting.
The RF 85mm 1.2 II is slow (but 1.6 times faster than the 85mm 1.2 original).
Focus by wire isn't great.
I assume this would be much better.
I love my 85mm 1.2 as when it nails it, it nails it.
Very easy not to be in focus.