One of our Anna's hummingbirds from earlier today... in typical PNW dismal winter light. Effective focal length of 900mm, hand-held at 1/40th of a second.
Anna's Hummingbird (Calypte Anna)
X-H2XF150-600mmF5.6-8 R LM OIS WR lens600mmf/8.01/40s6400 ISO0.0 EV