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USM lenses and battery life
Has anyone noticed a change in battery life when using an SDM lens? Would the lens motor use more (or maybe even less) power than the camera motor?
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K10D + grip (yay, finally!) +SMC FA 50 1.4 + DA* 16-50 2.8 + Sigma 70-300 APO + Sigma EF 500DG Super... Now saving for some ltd's...
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