24-70 F4 Decentered Element?

Started 3 months ago | Discussions thread
Marcin 3M
Marcin 3M Senior Member • Posts: 1,737
Re: 24-70 F4 Decentered Element?

IMO something may be wrong here.

But, to be sure try other test subject. My favourite are distant blocks of flats which I see from my window. Distance is 300m and more (my block is higher ), so we can name it infinity. In some cases camera can be set to manual focus and images from normally positioned and upside-down camera can be done.

With test performed on distant subjects You most probably can spot even small errors in lens alignment, not visible while snapping a near subjects.

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