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Fainter stars seem to be pin points at both the centre and the extreme edge.This aspect is where the 10x50 betters the 16x70. Stars focus down tighter and the field shows sharper stars further out from the centre.

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I have read countless variations about how sharp/flat the field is with the 10x50 forcing me once again to go look through the dealer samples, yet I still walk away with the impression of FAR MORE field curvature in the 10x50 than I can see in the 16x70.

Perhaps I am just more sensitive to this aberration and need to spend time with the bino under the stars to learn to accomodate it.

I know when I first looked through a Nikon 18x70 I also felt the field curvature was excessive, but after spending time with the several samples I've owned I no longer noticed it.

clear skies,
Rick

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