I recently had the misfortune of my newly acquired Sigma 60mm 2.8 depositing a large fiber from the depths of the lens innards to right under the element almost dead center.
I don't think it would've effected image quality but my OCD cried out.
And opportunity. So I returned it and picked up a 56 1.4.
The 60 was a deterrent from spending on the 56. And a bandaid for the Sigma 30 which tried really hard but always fell just a little short.
Now two halves are a whole and the GAS tank has been filled.
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