Mag d cell flashlight infrared lens cover - MagLite 108-000-613 Mag-Lite C-Cell / D-Cell Flashlight IR Lens Cover with Holder

I almost sent mine back due to low lumen output, but my wife said maybe it's because of the L.E.D. upgrade I had put on the flashlight. Sure enough I put the old Incandescent bulb back in & she was right. The L.E.D. was reflecting off the inside of the lens causing low output.
Pros: Puts out a nice bright IR beam
Cons: a little pricey

This review was written in the old system and had content requirements that are different than reviews written today.