what is the diffraction limit of the Leica 25mm f / 1.4?

Started 3 months ago | Questions thread
alcelc Forum Pro • Posts: 14,918
Diffraction of M43

Had saw a few posting from you regarding the diffraction limit on various M43 lenses.

I suppose it is more of a system wide matter (so the sensor size been involved) as well as certain relatively variation among individual lens.

Generally, you will never go wrong, if diffraction (or indeed you have ore interest on where would the the end of the best ~ better sharpness range of the lens) which might start to soften your image be your primary concern, take f/8 be a general guideline. The further stopping down the softer would be the image.

https://www.dpreview.com/forums/post/64750188 and https://www.dpreview.com/forums/post/63900203

Except for a few exceptions, e.g. the 45-200 or 100-300 that at their longest end f/7.1~8 are their sweetest spot, most other lens should better keep using wider or max at f/8 for the sharpest result unless the very deep DoF can outweigh the sharpness concern of the lens for certain application.

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