All look sharp alright by my standards.
But where’s Santa? Curious minds want to know.
Happy New Year Mike, Marnie, and the whole Oly gang :-)
Amities
Philippe
> Le 1 janv. 2022 à 00:00, Mike Gordon via olympus <olympus@xxxxxxxxxxxxxxxxx>
> a écrit :
>
> Nothing says Happy New Year like some serious pixel peeping.
>
> This Sigie lens has to be sharp in the corners wide open for astro
> landscapes. Sigma has quite good QA now but on FM about 1/3 end up being
> sent back. I was tempted by the sonnie 14/1.8 but there are more aberrations
> in the corners even at f2.8, the corners are just so-so at 1.8 and the copy
> variation is quite large. It is smaller and lighter and thus better for
> travel though.
>
> I focused on our chimney in the center of frame and then moved the cam so the
> chimney was in each extreme corner--200% crops. IBIS off and on tripod.
> These are SOOC jpegs.
>
> https://www.olyendomike.com/Sigma-14-24-f28-centering-200/
>
> I think modestly soft at 24mm in the rt lower corner but not badly decentered
> at 200%. Good enough or not??? I can send it back for 30 days.
>
> Mike
>
>
>
> --
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