DSLR user impressed with GF5/20mm 1.7 as second camera

Started Jun 27, 2013 | Photos thread
OP trespassing Regular Member • Posts: 166
Re: DSLR user impressed with GF5/20mm 1.7 as second camera

alcelc wrote:

trespassing wrote:

I'd heard diffraction kicks in beyond f/4 on m4/3 but I personally found f/5.6 sharper overall and the added DoF on this shot helped also

Student in Brighton, UK

Regarding the remark in the last picture, I'm afraid that it may not be true. Generally MFT lenses should be quite good at their widest open, best stopped down 1 or 2. Diffraction would kick in from f/8 ~ f/11 onward. So, it is just the opposite to FF/APSC lenses that they are generally at their best around f/8 or f/11.

Thanks for that, that's very useful to know and I shall bear that in mind next time. Hopefully then my f/5.6 should have been appropriate enough to gain DoF while still avoiding diffraction. Thanks again, Matt

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Student in Brighton, UK

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