These are nothing special just random shots cropped at 1 to 1 the nikon is on left and tamron on the right. both at 2.8 so essentially the nikon should be sharper.....
This is 85 mm, 2.8, iso 100, shutter 1/2000th at 4 meters away
Same settings but at 1/1600 at 40 meters
Same again but at...