UV Flashlights - Outlandish Claims of Power
I’m really getting tired of all the BS out there. Chinese vendors make outlandish claims about their flashlights and non-technical...
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Glow Notes - Equipment Posts
The posts below are all posts in chronological order. Blog posts may be narrowed by the five categories listed, or the entire list viewed by returning to the main GNB page above. Page through posts using "Next Ten" links at the bottom of the page.
What is the Best UV Flashlight for Minerals? (No bias, no clickbait - just the facts)
Longwave, shortwave, midwave flashlights are all the rage lately. 365nm, 255nm, 310nm - some amazing fluorescent minerals are being...
The Next Evolution in Fluorescent Mineral Flashlights - Shortwave and Midwave
(work in progress....) Just a few years ago my feeling was that we would not see SW flashlights "in my lifetime". I was so wrong. They...
DIY: Converting a Work Light into a Portable Short Wave Lamp
I'm not sure how many people have built the 18 watt SW conversion from Mark Cole's plans on MinerShop, but if you did or intend to do so,...
DIY: Converting a Transilluminator into a Short Wave Lamp
My small hand-held short wave lamp is useful, but has its limitations. I was interested in a much more powerful light for display and...
Black Display Boxes for Flats
(This is copied from a Facebook post by Bruce W. Black boxes are had to find for our hobby; white boxes destroy fluorescence.): Ever...
BATTERIES - Selecting the Proper Battery for your 365nm UV Flashlight, Convoy S2, Convoy C8, FyrFly
In general, the Ah capacity of batteries sold from China are not worth the plastic they are printed on. The vendors/manufacturers lie so the
FyrFly Convoy C8 365nm UV Flashlight - The Next Generation Convoy - an Original Design by Group Cons
The most powerful 365nm flashlight in its class (or any class). Open source design
What Kind of Flashlight Do I Need? (365nm versus 390/395/400nm Unfiltered UV Flashlights)
Friends don't let friends use crappy unfiltered 390nm flashlights. This is an educational post, directed towards folks new to the hobby....
Power Claims of Convoy Type Flashlights
A pet peeve of mine is honesty in advertising. Over the past 3+ months I’ve seen companies advertising ever higher power Convoy type...
Convoy S2+ 365nm False Power Claims - It Ain't 5 Watts (4, 3.5, or even 3)
It's the wild west out there! About three years ago I wrote a blog post about the Convoy S2+ here on Nature's Rainbows. The FLM...
Buyers Guide to the new 365 nm LED UV flashlights
I have happily been using and recommending the Convoy S2+ 365 nm UV flashlight since early 2017 when Mark Cole first posted about it. It...
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