Focal length determines both the angle of view and the magnification of the image
In professional settings, clinicians rely on high resolution intraoral imaging, 3D scans, and structured photographic protocols tools that are obviously not available when analysing a public figure
N Engl J Med 332:11981203 Reznick AZ, Cross CE, Hu ML, Suzuki YJ, Khwaja S, Safadi A, Motchnik PA, Packer L, Halliwell B (1992) Modification of plasma proteins by cigarette smoke as measured by protein carbonyl formation
There is an echo in an empty room that you'll never have heard before, and it can vaguely remind you of a church choir if you listen closely enough
[41] By 2017, Aldi was opening UK stores at a rate of more than one a week