DarkBeam Vs. UV Beast

In this video we will compare a few Black UV Lights.. 1. Rayovac 395nm, 2. Dark Beam 365nm Long Wave, 3. UV Beast 365nm Long Wave.
I made this video to help you see the comparison between the lights and what that look like against the same minerals. We hope you enjoy.

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[waywardboundband]

Great stuff. Wanted to throw some knowledge your way as far as terminology. The "after-glow effect" is called phosphorescence. And when referring to "rocks that glow", the term is fluorescence...they fluoresce under UV light. Rock on!

[IvyMike-ku]

You just created a new hobby for me. Many thanks.

[sandmaker]

Nice demo
I have the uv beast with the extra battery and the uv beast V2. Love the glow. You have some cool rocks! Thanks for sharing.

[omeralpturker]

kardeşim ellerin titriyor sağlığına dikkat et geçmiş olsun umarım iyileşirsin

[TheAdventureCloset]

That travertine and the Grand Mesa agates are awesome. That was a really well done comparison video.

[freshimpactco.]

Nice to see the review it was great to get a clear and honest opinion about their pros and cons

[AndreHila]

I carry a o light seeker 4 mini. Amazing for the size. Also is a regular flashlight as well.

[kylaabegglen]

Really cool video Kurt! I missed this one when it came out somehow. That's an awesome Christmas gift for your nephew, I bet he loved it! Thanks for showing us the difference between UV lights. The UV Beast is on my list of things to get. Now, I'll probably get that smaller one that worked pretty well too! Terrific rocks also, they worked wonderfully for this video. I love the ones that have phosphorescence.✨️ Thanks for another fantastic video and all the great content!✌️🤠🤘

[akumaquik]

Ty just ordered the UV beast mini. I used your link hope you got it.

[jaysoncasta]

Thank for bringing up the over heat element that shuts off, I purchased one because I found some great stuff in the field, after about 30 mins it started to shut off, I was mad because I was in the field. I purchased 2 more because I thought it was damaged, and I figure I would have 2 incase I needed an extra one, now I have 3 uv beasts... Lol they are good though, very powerful. Also have the beam one, very easy to cary around, the beast is very bulky. Like them both very much. I have found lots of stuff but no idea what they are. Might make videos about that

[largent]

Great video. Its good because some people dont know the difference. that dark beam isnt bad. I had a dark beam but it was smaller then that one and it wasnt bad for what it was. I think i got two of them for like $12. There is no comparison between tbe uv beast and any other 365nm light thats not a yooperlight! Its a beast! Not fair! lol! But you get what you pay for. You really do. Thanks Kurt!

[GREEKEXPLORERS]

Amazing video!!
Thanks for sharing!!

[Dr_Mario]

Having a decent blacklight flashlight on hand is worth it even if a bit expensive.

I decided to DIY my own as I like Convoy S2 flashlight, and paid a bit more for the Nichia NVSU233A UV LED for decent results, with a cheap Wood's glass filter, resulting in the clean 365nm light as far as my eyes can see (I apparently can actually see UV, to me, 365nm looks like a very harsh purple hue, as it should be for a 365nm source). Gonna try doing some rock hunting at some point now that I know I have a high quality blacklight flashlight.

[markruffner]

Thanks for the information. Most of what I found was pet urine detection. I wish you would've included the price on the beast as well but easy enough to look it up.

[gregderksen]

Pros for the walmart light, it’s cheap, and that’s about all lol! Good unbiased comparisons. We’ll have to go out for a night hunt one day. You bring the beast, I’ll bring the convoy.😂

[Datboii]

How does the dark beam do at a distance?

[mikeh]

Good demo of why not to get a 385nm wavelength light. Minerals have little response to that wavelenght, the difference between the dark beam and the UVBeast is in intensity, because the dark beam has only one Cree led and the UVBeast has 3 Cree leds, and more batteries. The demo would have been better if you had done it on a blacked out surface instead of a wood/laminate surface. To really see the response, your camera can not really do that good, as the photocell controlling the exposure will wash out with the higher intensity beam of the UVBeast. Our eyes are amazing and so much more sensitive to the actual colors revealed by LW or SW UV. All these lamps are in the LW category.

[Muonium]

The main reason for the Darkbeam being inferior to the UVbeast, aside from obvious power output difference, is the fact that the Darkbeam doesn't have a filter. At 365nm, the energy of the photons is so high that practically everything fluoresces to some extent, including the LED's own package and the flashlight lens itself! Thus the light output contains a lot of visible and blue light. You can get a $3 ZWB2 filter to stick on the front of the light that will make it just as pure, if not as bright, as the UVbeast. Note that the 395nm cheap trash "UV" lights aren't ALL bad and you can make them a great deal more useful by simply coupling them with a pair of yellow tinted 'blue-blocking' glasses, which will notch out the vast majority of purple light reaching your eye, but still allow you to see the fluorescence such wavelengths can readily excite. See the video by Rhett Peterson of "448nm Blue Light Mineral Fluorescence" illustrating this with not even near-UV light but just a straight-up blue LED.
Unfortunately I think we will be waiting a very long time for cheap UVC LEDs. I've been waiting 3 years and the prices are not moving, just inflation! lol. I plan on buying now.

[RynaxAlien]

Are those Aliexpress 365nm flashlights claiming 20w, 50w, 60W power any real?

[alfredstevens]

how are you liking the dark beast now? Any good for yooperlite?