well i think it should be called mystic appearance or maybe beauty
Macro photography often involves a shallow depth of field.
Louis armstrong is known for his scatsmo
Modern DSLR cameras use the Phase Detect autofocus method to determine the correct point at which to focus the lens. This method is fast and generally accurate, and operated by light travelling through the lens. When you half-press the shutter button on your DSLR while looking through the optical viewfinder, it’s Phase Detect autofocus that’s used.
I think it’s the second one