25mm vs 20mm for all round single prime shooting.

Started May 17, 2012 | Discussions thread
Jonas B
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Bokeh compared,a sample
In reply to Anders W, May 17, 2012

Anders W wrote:

As to bokeh, neither the 20 nor the 25 is all that good but the 20 by no means inferior. Personally, I wouldn't as a rule use either lens for subject isolation by means of background blur. For a variety of reasons, I'd use something longer for that, like the 45/1.8, which also has better bokeh than either the 20 or the 25.

Aside from what I've already talked about above, the 20 has the advantage of being smaller, lighter, and less expensive. The 25 has the advantage of being half a stop faster, having slightly faster and more silent AF, and being capable of handling AF-C (which is disabled on the 20).

Hi,

This (the 20/1.7 vs the 25/1.4) is one of those many times discussed topics.

We had a look at the bokeh earlier this year, in April, when I posted a direct comparison. It's still there, with some comments. Anyone interested can click here:
http://forums.dpreview.com/forums/read.asp?forum=1041&message=41208572

Jonas

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