When used in tandem with the lens assembly, it can focus the light to a narrow field or wider, depending on the type of shot the user is taking. The concept is similar to the zoom of a speedlite ...

When it is used or adjusted in a way that is in tandem with the lens assembly, then the flashlight focus is narrow or wide, depending on the type of shot the user is taking. This is done ...

The new Infinity X1 5000L Dual Power Focusing Flashlight is packed ... A patent-pending safety heat lock turns the flashlight off when the lens is covered, preserving battery life, and ensuring ...