35mm 1.4 ZA Lens vs. Sigma 1.4 Art Lens

Started Mar 26, 2018 | Questions thread
Dan_168 Veteran Member • Posts: 9,673
Re: 35mm 1.4 ZA Lens vs. Sigma 1.4 Art Lens

jameszhan wrote:

Dan_168 wrote:

cgomez wrote:

With that said, with Sigma embracing full frame E-mount, what's the consensus on that vs. the 35mm 1.4 ZA?

I am Sigma Art owner and have tried the FE 35 1.4 twice and retuned them twice, due to de-Center issue. However, I did use my friend's "good copy" so I do know what this lens is capable of.

if I can get a 'good copy", I would prefer to use the Sony 35 for portrait and Sigma 35 Art for landscape. The Sony have better ( smotther) Bokeh than the Sigma, but has lots of fringing too, but the Sigma is significantly sharper center and edge, therefore I would use them for different application. But now my solution is the CAnon 35 F1.4 L II, it's even sharper than the Sigma and has great bokeh at the same time, so it's the combination of Sigma and FE 35.

How did you go about checking if a lens is decentered or not? Is there a way to check it without using test chart and stuff like that?

There is all kind of lens test chart you can get for that purpose, but I am not lens tester so I just simply mount the camera on the tripod and tape a newspaper on the wall and  use it as my target, the key is to make sure your are perpendicular  to the plane or your result will be really misleading. And in my case, I didn't even need that test, when I go shoot some real world pic I can see the tree on one side is significantly softer than the other even at stop down aperture, you would think the F8/F11 DOF will take care of it, it's really that bad on the one I got. I actually saw the weird result from my real world picture first then makes me to go back to do this " newspaper test" at home.

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