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Almost flawless! 35mm f/2 IS USM review

Started Jun 26, 2014 | User reviews thread
Great Bustard Forum Pro • Posts: 45,641
Re: Almost flawless! 35mm f/2 IS USM review

qianp2k wrote:

Al Downie wrote:

Great Bustard wrote:

Al Downie wrote:

Seriously, joking apart, in my view some lenses *do* display something special (at all apertures) which cannot be measured by MTF charts or specifications.

If it can be seen, it can be measured.

Such as skin tone Don't believe you can measure it.

Of course it could be measured.  Whether or not anyone measures it, however, is another matter.

Bokeh is one of these things;

Bokeh can be measured:

http://www.rickdenney.com/bokeh_test.htm

This is where we'll have to disagree. What's the formula for Art?? If aesthetic characteristics can really be measured, why does the reviewer above have to rely on adjectives like 'quite pleasing' to describe the differences between lenses?

Here are bokeh patterns from TDP tests between 35/2.0 IS and Sigma 35 A. To my eyes, 35/2.0 IS has a slight more pleasing bokeh pattern.

Canon 35/2.0 IS bokeh pattern

Sigma 35/1.4 Art bokeh pattern

I, too, prefer the bokeh of the Canon 35 / 2 IS in those photos.  But that's at f/4, so...

PZ has some examples at wider apertures:

Sigma 35 / 1.4:

Canon 35 / 2 IS:

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