COMMON GRACKLE, EVANSTON, ILLINOIS, MAY 3, 2009Pentax *ist DS
Sigma 135-400 at 400mm
1/350 sec. f11
ISO 800
I found this one while rummaging through this year's earlier backyard bird shots. Shooting at a high ISO of 800 risked an overly noisy background, but allowed a small aperture and reasonable shutter speed for a hand-held photograph with a long lens. The five-year-old 6-megapixel *ist DS often yields smoother backgrounds at high ISO than its newer 10- and 14.5-megapixel brothers in the Pentax line.
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