2021apr01_duck_IMG_0472c

Lesser Scaup (Aythya affinis) and Greater Scaup (Aythya marila) at Salt Plains National Wildlife Refuge, April 1, 2021

Lesser Scaup (Aythya affinis) and Greater Scaup (Aythya marila) at Salt Plains National Wildlife Refuge, April 1, 2021
 
ArtistJohn Moyer
F Number11.0
ISO800
Shutter Speed Value1/512
Focal Length504.0 mm
Focus Distance Upper164.56 m
Focus Distance Lower81.91 m
Lens ModelEF100-400mm f/4.5-5.6L IS II USM +1.4x III

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