contas Offline Upload & Sell: Off
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@Phillip Reeve, I tried to analyse all your pics of this lens at 4900X3264, all has too much compromised areas some still there at f/9.0.
For a landscape shooting the distorsions, CA and sharpness are the most wanted, beside that the resolution of the lens/sensor will guarantee the distant/back ground clarity/fine detail.That is why the high class lens has floating system, Apo (Apochromat), or SA (Superachromat), all that for correction of the optical faults, if no correction so the fault is there inevitable.Even that for marketing some lenses have APO mark like Apo-Lanthar 90mm or many Sigma APOs still produce lots of CA.
BTW, to analyse an image take the original size, it gives you a constructive look rather hearing a mutual diplomacy.
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