NB: I refer to "mask" from when using the setup to re-use COVID masks. With the binoculars I pput them about 12" away from the lamp, with a alum relector, and did each side for 24 hours.
Sorry no updates before this! The UV light solution has held up just fine. My view is that it is a good solution. It's clean to do, no chemicals or masked needed. The downside is having to buy the UV lamp. I've seen one on Amazon, just search fo...