Most lenses like f8. No lens is at its best wide open or stopped down all the way. When you get near f16 and f22 you start to have and see diffraction. Of course f16 is better than f22 but f8 seems to be near the sweet spot. Not too open and not too stopped.
Mullets break the surface of the water to feed on insects. The raw file was processed in Digital Photo Pro.
The image was taken with a Canon EOS Rebel T5 and an EF 75-300mm f4-5.6 III. The exposure was set at f8 , a shutter speed of 1/2000" and an ISO of 800.
A great egret wades near the bank of New River in Gonzales, Louisiana. The raw file was processed in Digital Photo Professional. The white balance was corrected in PaintShop Pro. The image was shot with a Canon T5 and an EF 75mm-300mm f4-5.6 III. The exposure settings were AV:f5.6, TV 1/1000" ISO 400.