[OM] close focus abberations, what are they?

[iwert]

Hello,

Reading through documentation on the wide angles I often see the words
"close focus abberations". I have a zuiko 21f3.5 and zuiko 21f2 (close to
mint @ 351$!), of which the latter has a special mechanism correcting for
"close focus abberations". Which difference should I see when clos focussing
with these two lenses?

Anybody who can enligthen me on this?

Iwert.


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