Shutter at 1/2000 sec with f/5.6 aperture and ISO 500, with Sony A7M3 and FE 70-300mm G OSS lens at 300mm.
Full disclosure, this image was taken at the crowded San Diego Zoo. The challenge was to shot through a part of the fence that was in shadow so that it would not show. Some localized dodging and burning in Lightroom took care of some spotty haziness created by the fence (dehazing and black used in the brush helped a lot!).