17-70mm surprise on SD1m

Started May 7, 2012 | Discussions thread
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maple Veteran Member • Posts: 3,123
17-70mm surprise on SD1m

At 36mm and f7.1, it's tack sharp corner to corner, but you'll have to put up with the jagginess even in the extreme corners:

At 17mm and f7.1, it's OK in the centre, but fussy in the edges and corners.

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Maple

Sigma SD1
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