lens choice: 20mm f1.7 or 25mm f1.4. ?

Started Dec 5, 2012 | Discussions thread
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Navman Forum Member • Posts: 67
Re: lens choice: 20mm f1.7 or 25mm f1.4. ?

A site like lenstip clearly shows the difference in optical performance between these two, with the 25 clearly ahead, particularly on edge performance - slightly greater subject isolation can be achieved with the 25 because of its slightly more open maximum aperture and its longer focal length. In my experience its a beautiful lens to use, but it does leave a sizeable hole in the wallet!

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