How good is the 16-35 (version I) wide open?

Started Jan 12, 2013 | Discussions thread
Schwany
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Re: How good is the 16-35 (version I) wide open?
In reply to zalle, Jan 12, 2013

zalle wrote:

Hi,

I have a 10-22 which I use on my crop camera(s) wide open (F3.5) with lots of confidence. I'm considering a friend's 16-35 MKI so I could use it on the 5DMKII.

How good is it wide open? Can I just use it? Or do I have to be cautious about it not being too sharp at F2.8?

Thanks

Well, I suppose it would depend on ones definition of what they consider good. I think it is plenty sharp wide open, and I use it with confidence. I have one on a 5DMkII currently. I use it wide open if the light is poor or want to isolate a close object.

It is not a perfect lens. It can produce CA in high contrast situations (examples, silhouetted or shaded dark tree leafs and branches against a bright sky background, or bright lights on a dark background) and some vignetting. The corners are too soft for some. It doesn't bother me, and I find its performance acceptable for an older zoom.

If the price is right, it is worth owning. I have never owned a 10-22 so have no idea how it compares. I paid $750 for the one I got. No regrets.

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