Once you learn composing with a prime, your compositions tend to become a lot better. It is actually the limitations that help you become a better photographer. I didn't believe it myself until I got the 30 mm f/1.4 Sigma.I don't understand why primes are always suggested for portraits. With my limited experience, it seems a lot more convenient to use a zoom lens like the 17-55 f2.8 for portraits because you can capture different poses and quickly change the framing and composure without having to run all over the place. I must be missing something though.
Yes, you can, I shoot wide-open. Actually, I usually have to stop down my 80-200 mm zoom to f/4 or so to get more depth of field on the long end. The large initial aperture allows you to balance flash light with ambient light much, much better. I didn't know these possibilities even existed before I got a good prime.I'm guessing it's the super large apertures that make a big difference? Can you actually shoot a portrait at f1.4 or are you battling a razor thin depth of field? Also, a lot of the large aperture primes appear to be very soft wide-open, and don't get really sharp until you stop them down to f2.8 or more. Don't both of these attributes somewhat defeat the purpose?
First of all, forget about the red L, it has nothing to do with image quality. (Many primes in Canon's line-up such as the 85 mm f/1.8 have great optics and no red L.) I think you're not only missing the creative element, but also the ability to shoot at very different lighting conditions. f/2.8 sounds fast, but you gain as many stops going from a kit lens with your average f/4-5.6 zoom to a f/2.8 zoom than you do when switching to a f/1.4 prime. You can easily shoot inside of dark churches, bars and such. In addition of having more creative freedom (see above), you have a lot more shots you can make now without a tripod.From a technical/sharpness point of view, I'm just not buying the argument that non-L primes are better than a zoom... they aren't. Perhaps there's a creative element that I'm still missing?
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