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18-55mm IS STM seems sharp wide open

Started Sep 11, 2014 | Discussions thread
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seri_art
seri_art Veteran Member • Posts: 3,063
18-55mm IS STM seems sharp wide open

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?

 seri_art's gear list:seri_art's gear list
Sony RX100 III Canon EOS Rebel T7i Canon EF 40mm f/2.8 STM Canon EF-S 18-55mm f/3.5-5.6 IS STM Canon EF-S 55-250mm f/4-5.6 IS STM +3 more
Canon EOS Rebel T4i (EOS 650D / EOS Kiss X6i)
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