Birder's Guide

DEC 2013

Birder's Guide is the American Birding Association's newest publication. Each issue focuses on a key subject, providing tips from experienced birders on a wide variety of topics like Travel, Listing & Taxonomy, Gear, and Conservation & Community.

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Page 44 of 51

1 2 3 4 Photo 1 is at ISO 800 and f/5.6. Noise level looks good. Shutter speed is slow, but tripod and motionless subject keep subject sharp. Changing the f-stop to f/16 (photo 2) brings the grass around and behind the decoy into better focus but isn't necessarily an improvement. Shutter speed is quite slow at 1/40, and the shot would almost certainly have shown motion blur but for the tripod. f/6.3 is used on the next two photos to give them a pleasing background and foreground blur, yet also give them a touch greater depth of feld on the subject. Photo 3 has ISO set at 1600, allowing a shutter speed of 1/400, hand-holdable under good conditions and with practice. Noise starts getting noticeable, but it is not especially bothersome. On photo 4, f-stop is still f/6.3, but ISO is set at 6400, allowing a very fast shutter of 1/2000. Noise artifacts are quite noticeable now; note the "graininess" around the decoy's head on the inset box. Photos by © Jeffrey A. Gordon. December 2013 | Birder's Guide to Gear 43

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