Great Blue Heron: York County, Maine, USA — Here the Great Blue Heron is the star of the show. There were two with the mixed flock of Egrets on the sandbar at the mouth of the river. OM Systems OM-1 with 100-400mm zoom at 800mm equivalent. Program mode with my custom bird modifications. Processed in Pixelmator Pro and assembled in FrameMagic. 1 and 2 at ISO 200 @ f8 @ 1/800th @ -.7EV, 3 at f7.1 @ 1/1000th.