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Consensus on 24-70/2.8 II field curvature at infinity focus?

Started Sep 14, 2013 | Discussions thread
Press Correspondent
Press Correspondent Veteran Member • Posts: 3,362
Re: Consensus on 24-70/2.8 II field curvature at infinity focus?

andrewD2 wrote:

I was beginning to think I was the only one in the world who had noticed it.

Micro adjustment helped mine a little because not only was the focus way too far forward at the edges it was a little too far forward in the middle. Its still obvious though. For my usage and priorities the lens works well but if I was a landscaper I'd say it was a good only as a 24mm prime lens.

Do you mean only good at 24mm and not other focal distances? Because of DOF?

The lack of CA is impressive. Is there a better single lens alternative?

I feel lens designers are prioritising sharpness and CA correction over less obvious issues like field flatness and coma (24mm f/1.4 L II).

Do you mean 24L has field flatness and come or does not have coma or...? Could you clarify?

If lens designs like the 35L disappear in favour of a higher resolution lower CA mkII it will be very sad if that destroys the beautiful way it renders a scene.

Could you please elaborate on the properties of 35L you touched upon? Also, do you have an opinion on how Sigma 35/1.4 compares to it in this regard?

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