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I owned a canon 5 d, canon 5 d mark II, canon 6 d, tested the canon 5Dmark III. A friend of mine borrow the canon 1Ds mark III. I was very surprised at how old technology, Canon has the perfect image. Beautiful pastel colors, 3D effect. It is a landscape masterpiece from Canon. For the best picture quality I had to edit heavy surveyor tripod. For me, the 1Ds mark III is a matter of hearts.