Above beard hair photographed with foldscope 140x and 3x optical and 10x digital zoom of a Samsung S20 in combination with the LED torch function of another Smartphone as backlight.

Below the beard hair with daylight led panel as backlight with the following specs

• Color range 350 to 780nm
• Color temperature 6500K
• Light intensity 10000Lux
• Lumen 440

Photo taken with Samsung S20 front camera with Pro setting to ISO 50, 1/125, WB 8800