Olight Filters & Diffuser All Series
Beam Diffuser Converts the normal flashlight beam into a wide angle flood beam good for closes up work, wide area lighting, reading etc.
Red Filter used to preserve the eyes natural adjusted night vision, will disturb eyes the least of all colours which helps your eyes to stay adjusted for night conditions when map reading or navigating, use by aircraft personnel, military and hunters to avoid spooking game, deer and some other animals see very poorly in the red colour spectrum.
Blue Filter used with night vision equipment, produces less disturbing light, good for navigation or map reading as it show contour lines better than red. green also used hunting as it will not alert game and It's the brightest of all the colours for easier navigation and also makes it easier others to see you.
Green Filter useful for map reading, hunting to avoid spooking game, tactical applications, blue provides a little more light for easier viewing or navigation over red filters.