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"From what I'd read, the image quality between the f/1.4 and f/1.8 is quite close, although the build quality isn't at all the same. Do you disagree? If I were to get a 1.4, my thought had been that I'd be doing it for the USM motor, and so that it would be sharper when taking the equivalent picture at 1.8. Maybe I'm just confused, but actually taking pictures at f/1.4 seems like a terrible idea, unless you want the eyes sharp and the ears out of focus...

So, yeah, I'd been considering going wider, like your 28 there, the better to take pictures at parties in low light conditions. Focus question: I tend to always use the center focus point, unless there's a fast-moving scene or super-shallow DOF and I can't focus-and-reframe. Do you do the same? One of the (few) things I don't like about the Canon f/1.8 is that sometimes it does take a while hunting for focus."
Michael Hannemann
"The Canon 50/f1.4 is a big step up from the 1.8, quality-wise, and not a tremendous amount more money. Though, since you already have the 1.8, I would not go out and buy the 1.4 (unless you want to sell the old one on EBay).

I recently bought the Sigma 28mm f1.8, which is a nice moderately wide prime lens on a crop-sensor camera, though I have had some challenges in getting the focus exactly where I want it. I'll see if I can find some example photos to share with you."
Robert Zehner
Michael Hannemann
"For which camera?"
Robert Zehner
"Oh, I like the lens story too. Have been considering getting new prime (50 f/1.4? 35 f/2?) but haven't acted on it. Cheap fun lens hacks = awesome."
Michael Hannemann
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