Can anyone recommend a UV flashlight that meets these three requirements:
1. 365nm (preferably Nichia)
2. will work on primary batteries
3. can be fitted with a visible light filtering lens.
I've looked but have yet to find one that meets all of these requirements.
1. 365nm (preferably Nichia)
2. will work on primary batteries
3. can be fitted with a visible light filtering lens.
I've looked but have yet to find one that meets all of these requirements.