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Sigma's lousy lens and it's ugly diamond-shaped bokeh (50mm f1.4 ART, Canon full frame)
#9
 Probably the hardest test ever conceived for any lens!

 

     There is aways extreme contrast around water droplets when the sun is shining through them, to me it is not the least bit surprising that there are aberrations probably of every sort, it is one hell of a big ask to expect any lens wide open and at 100% to cope with that. Even the ripples on water can produce purple fringing as is seen in Joju's image of the pond. 

 

   Try the same test with the Otus it's likely to be the only lens to better it.

 

 

 

   However, I wouldn't be complaining about it raining diamonds, bring it on!

  


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Sigma's lousy lens and it's ugly diamond-shaped bokeh (50mm f1.4 ART, Canon full frame) - by davidmanze - 07-05-2014, 07:37 AM

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