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18-55mm IS STM seems sharp wide open

Started Sep 11, 2014 | Discussions thread
Lemming51
Lemming51 Forum Pro • Posts: 15,278
Re: 18-55mm IS STM seems sharp wide open

seri_art wrote:

I just received today an 18-55mm IS STM for my 650D. In a quick test at full wide, somewhere in the middle, and full tele, from wide open to f/11, the images look good and sharp across the image including when wide open. That's quite a bit better than my 18-55mm IS (on an XSi) was. With that prior lens, wide open wasn't sharp (unless wide open was f/5.6); needed to stop down to f/5.6 for sharpness.

Is that an improvement pretty much everyone is getting?

per reviews I've seen, it's expected.

e.g. http://www.photozone.de/canon-eos/831-canon_1855_3556stmis?start=1

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