Re:Nikon versus Canon: A Story of Technology Change
by blattimwind on Sunday April 08, 2018 @12:59PM
(#16787014)
I don't quite see the special thing about the 135, though? Nikon has had excellent lenses in that range for a long time (105/2.5, the AF 105/2 and 135/2), I think almost every lens maker does.
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Re:Nikon versus Canon: A Story of Technology Change
by vvanders on Sunday April 08, 2018 @03:10PM
(#16787713)
Well it's 50% the cost of the Nikon and looks like there's a fair number of AF problems with the 135/2 DC.
Also, the 135 DC looks like it has really poor chroma aberration[1].
[1] https://www.the-digital-picture.com/Reviews/ISO-12233-Sample...
Re:Nikon versus Canon: A Story of Technology Change
by blattimwind on Sunday April 08, 2018 @04:41PM
(#16788244)
This is longitudinal aberration; visible even in the center, so the test chart isn't actually in focus.
Re:Nikon versus Canon: A Story of Technology Change
by vvanders on Sunday April 08, 2018 @05:22PM
(#16788490)
No, that's chroma aberration(of which longitudinal is a type), the Canon 100/2 exhibits the exact same purple fringing on high contrast areas. I know because it's what I moved from when I got my 135L.
If that was out of focus you'd see a clean transition from black->grey on the edges and a lot more of the detail would be lost.