I spent a nice afternoon at the Bosque yesterday with Jim Neiger and BPN member Kerry Perkins; this was my first visit of the season. I thought I'd test out the low light AF and high ISO capabilities of the 7D. So far so good; no trouble with AF of Sandhill Cranes flying against a varied BG in low light. IQ at ISO 1600 is quite good. Noise has a very fine grain and is easily managed. Detail is quite well preserved. This image is roughly 80% of horizontal full frame. Nice to be able to take a 1.6 crop body to ISO 1600 and get usable flight images.
Canon 7D, 500mm + 1.4x, f/5.6, 1/500, ISO 1600, hand held








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