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Help with widefield astro/landscapes lens (ultrawide 10-22mm)
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23-02-2012, 12:16 AM
Octane
(Humayun)
IIS Member #671
Join Date: Dec 2005
Location: Canberra
Posts: 11,159
DPP has an in-built lens distortion correction facility. Made by Canon.
Luis, I must have an excellent copy of the 17-40mm f/4L USM. I shoot at f/16 and it is sharp at pixel level.
H
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