Känguru der Mathematik
in Deutschland
– Large aperture lens (f/1.2 – f/2.8), fast prime or telephoto lens, full‑frame or large sensor camera. Examples: Sony GM 50mm f/1.2, Canon RF 85mm f/1.2, cinema lenses.
Modern phones use computational photography. Because smartphone sensors are tiny and apertures are fixed, they cannot achieve natural optical bokeh. Instead, AI detects the subject and digitally blurs the background. While improving, this often results in unnatural edges around hair or ears. bokeh effect in video
The human eye naturally gravitates toward what is sharp. By blurring the background, the videographer forces the viewer to look exactly where they want. This is essential in interview settings or dialogue scenes where background distractions must be eliminated. – Large aperture lens (f/1
