This a focus breathing test for the new Nikon 70-200 F4 VR, the test compare the Nikon to the Canon 70-200 F2.8 IS II, which is know to have no such issue, both shot at minimum focusing distance of the lens, which is about 1-1.2 meter, this test concludes the new Nikon 70-200 F4 VR has NO focus breathing problem like its bigger brother 70-200 F2.8 VR.