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Defective Oly 25mm lens

Started Mar 16, 2016 | Discussions thread
Wilu Contributing Member • Posts: 522
Re: Defective Oly 25mm lens

i have three primes for m43, all of them Olympus. two suffered from decentering - the 45/1.8 and the 60/2.8 macro. the 12/2 seems to be fine (corners aren't particularly sharp, but it's the same for all of them).

i'm not a notorious pixel peeper but in the case of the 60/2.8 the decentering was obvious enough to be "accidentally" noticed. the 45/1.8 had the advantage that it was mainly used for portraits where edge performance isn't critical. the 60/2.8 was particularly affected when focused to infinity (although it's a macro lens i expect useable output at infinity, too. something all my other macro lenses are capable of).

by the way, the replacement lenses aren't perfect either, but good enough. maybe it was just a case of bad luck, but my confidence in Olympus gear has suffered a bit, lately. in the course of time i owned many lenses - mostly Pana zooms for m43 and mostly 20+ years old Minolta glass for FF. apart from the mentioned Oly lenses i only remember one to suffer from decentering, a Sigma 24/1.8. thanks to the Sigma card they repaired it for free (they had to send it to Japan) even though it was out of warranty.

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