2023feb15_duck_IMG_3218c

Ring-necked Ducks (Aythya collaris) at Rush Lake at the Wichita Mountains National Wildlife Refuge in Comanche County, Oklahoma, United States on February 15, 2023

Ring-necked Ducks (Aythya collaris) at Rush Lake at the Wichita Mountains National Wildlife Refuge in Comanche County, Oklahoma, United States on February 15, 2023
 
ArtistJohn Moyer
F Number11.0
ISO1000
Shutter Speed Value1/512
Focal Length800.0 mm
Focus Distance Upper64.14 m
Focus Distance Lower50.04 m
Lens ModelEF100-400mm f/4.5-5.6L IS II USM +2x III

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Copyright John Moyer, All Rights Reserved. https://www.rsok.com/~jrm/