Olympus 12-40 easily beats the Canon 17-55 at f/2.8 (but not when stopped down).

Started Nov 3, 2013 | Discussions thread
Sergey_Green
Sergey_Green Forum Pro • Posts: 10,928
Heh ..

DonSC wrote:

is only about DOF. Think again.

Does DoF have something to do with total light, think again.

You may LOVE your lenses wide open but they won't perform that well.

But they do. They do perform very well.

And you still did not answer my earlier post, as why Nikon added DC to already fast prime lenses. It certainly did not help sharpness, could there be some other motivations in it? Or do you say this lens just does not perform well, plain and simple ?

Maybe for you that doesn't matter because you can't tell the difference or maybe it's just better to get the shot, avoiding shake or motion blur, than to worry about having the best IQ. You'll have to answer that for yourself.

I certainly can tell the difference between these and better images,

http://www.dpreview.com/forums/post/52459738

Or this,

http://www.dpreview.com/forums/post/52464144

Love the subject though. If I may ask, what was the reason for f/5.6-6.3? Or was the camera in P-mode?

As for "seem", 43 lenses of the same focal length and maximum aperture are superior to their FF lenses with the same specs.

But the maximum aperture on one format is not what the maximum aperture on the other, how do you measure superiority?

That could be because it's easier to make higher quality lenses for 43 or it could be because the companies making 43 lenses make better lenses. I think it's the former. You may think it's the latter. No big deal. Think what you will. Doesn't matter really.

Right, whatever.

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- sergey

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