I am eighty five years old and i am shooting through a window into my back yard. The shot is 23 feet from the camera to birds. I have camera on a tripod. I am using a Canon M50 and a 55-250 4.0 5.6 STM lens fully extended. I have tried IS both on and off. I thought I could crop a little and get decent pics. I cannot get pics good enough to suit me. I would like sharp eyes and feather detail. What should I do or what should I change? I am shooting at F8 and 500th of a second.
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