Why do wide angle lenses have f1.4?

Started Sep 25, 2013 | Discussions thread
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AnthonyL Senior Member • Posts: 2,067
Re: Why do wide angle lenses have f1.4?
1

PaulD1980 wrote:

Is there any point in purchasing a lens that has a fast aperture of something like f1.4?...as normally a landscape photo would be shot at something around f/8 to f/22 to get everything in focus.

With a wide angle I doubt that you would generally need to step down to smaller than f/11.  Recommendations on my Canon 10-22mm are to stay around f/7 for good DOF and optimal sharpness

I assume that the f1.4 would only be used to achieve some good bokeh?

Low light/indoor photos for instance.  Even then my Canon doesn't open up to any more that f/3.5

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Canon EOS 450D Canon EOS 700D Canon EF-S 10-22mm f/3.5-4.5 USM Canon EF-S 55-250mm f/4-5.6 IS Canon EF-S 18-55mm f/3.5-5.6 IS STM +2 more
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