Observing the light and shade stripes of the lenses, understanding the internal deflection, not only for transparent lenses, but also for a wide range of colored lenses.
can rotate the polarizer rotating disk, adjust brightness.
Observing the light and shade stripes of the lenses, understanding the internal deflection, not only for transparent lenses, but also for a wide range of colored lenses.
can rotate the polarizer rotating disk, adjust brightness.
