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Canon 40mm f/2.8 STM by abhas1 Canon 40mm f/2.8 STM by abhas1
Product photography, mainly.

Shot on a Canon 5D Mark III, 105mm L, f/3.5.

Hit download for 1920x1200.

Before I commend the lens on anything else, I have to begin with the thing I noticed foremost — the build quality. It's as solid and as well-built as possibly could be in that little package.

I already had a 50mm f/1.8, and it was doing a great job. The wide aperture brought in good looking bokehs. But this one was sought after and bought for the sake of its tiny size and predicted convenience. Plus, f/2.8 vs. f/1.8, how big of a difference could that make?

Well, the difference is pretty clear. :P Regardless, this is a great lens.

Right from the get go, it impresses from its new STM (Stepper Motor) technology that Canon has recently come out with. Autofocusing is silent, and much quicker. Even on APS-C/Crop sensor models. I did a lot of research online and offline before buying this lens since I already had a very similar 50mm one. I went ahead with it for the sake of convenience and I was greeted by surprise when I saw the sharp image quality and low aberration. The lens hits its sharpest at around f/7.1.

If you must have only one out of the 50mm and 40mm, I'd recommend the 40mm if you're not dedicatedly planning to do portraits. The 40mm does good portraits too, but the f/1.8 really shines on the 50mm. As an all rounder, especially for APS-C bodies, the 40mm is a good choice.

However, if you're slightly on a budget, the 50mm won't disappoint. They both have something great to offer.
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Submitted on
May 3, 2014
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