Fenix Diffuser Lens is specially designed for Fenix headlamp and
flashlight to diffuse the lighting beam with easy assembling, it can be
used for short distance reading or used as a camping light with
flashlight. With open type structure design, Fenix Diffuser Lens fit to
headlamp or flashlight with diameter from 20mm to 21.5mm. Fits Fenix
HP10 Headlamp and LD10, LD20, PD20, PD30 flashlights.