One reason I got this lens is to shoot Florida Scrub Jays. They photograph well on overcast days with a smart lens. Ended up shooting some other birds too. 1. Scrubby on the trail. Testing the lens at 2.8 for sharpness. 2. Everyone else shoots this nest, 'thought I'd get a shot. 1.7tc attached. Viera. 3. Nesting Flyer shot at f/8. 4. Black Vulture Profile. 5. Warbler at Viera.