U) [CROP] 800mm(1280mm): EF 100-400mm f/4.5-5.6L & MC7 2x Doubler
Poor overall image quality, I know- but the eagle is 5'7" tall and over 1.3 miles away.
1280mm on a 20d (1.6x)
Taken with a Canon EF 100-400mm f/4.5-5.6L IS USM and a Tamron 2x MC7
Cropped to show detail/actual image quality.
Click here to see un-cropped image: www.flickr.com/photos/kc7cbf/4094209808/in/set-7215762265...