Hooded Peep helps reduce glare on the clarifier lens. Comes with 2 clarifier lenses: green & red & 5 appartures: 1/8, 3/32, 1/16, 3/64 & 1/32 Recomended clarifier lens: green clarifier 4X & 6X lenses & red clarifier 8X lenses. Aluminum cnc *Note: Everyone has different eyes and the above information on clarifiers may differ depending on your personal preferences.