random 2x images

all things I would normally ignore but testing the 5D4 and the 2x converter on the 400 DO2 -- all hand held and I know I need to use a monopod as the arms are getting less reliable -- all in todays dull winter light and at ISO 1600 - 2500 so nothing very fast shutter speed wise -- for BIFs the focus tracking option seems very good once you acquire focus but I did miss a Hobby that zoomed past me twice by having the 2x on