Flashlights from Intl-Outdoor are very highly regarded on Budget Light Forum and r/flashlight. They’re made by a friendly guy called Hank and you can only buy them on his website. There’s even a special r/hanklights. These lights can all be ordered in many different configurations, with different drivers and LEDs. Although there’s only 10 flashlight …
Continue reading “Hanklights! A brief overview of Intl-Outdoor’s Emisar and Noctigon flashlights”
Astrolux have a wide range of flashlights, from small keychain lights to massive search lights. Here’s my comprehensive guide and take on their lights.
From top to bottom, a flashlight is normally made of these parts: 1. Bezel2. Lens3. Reflector (or TIR)4. LED5. MCPCB (board the LED is soldered to)6. Metal heat sink (shelf or pill)7. Driver (makes the LED get the right current and voltage)8. Cell9. Tail cap 1-7 are contained within the head. Number 6 is where …
Some people were asking how to measure lumens without much equipment. I’d recommend making a cheap integrating sphere (or tube) but you can get a rough idea of lumens with just a phone and desk lamp. Get the ceiling bounce app if you have an Android. Or search the app store for something like lux …
Continue reading “Measuring lumens without an integrating sphere or calibration source”
Flashlights with the Anduril UI step down the brightness when they get to hot. They do this with a temperature sensor, which may need configuring when you first get it.
Multiply the candela by 4, then square root it to get the throw in meters.
Or square the throw in meters then divide by 4 to get the candela.
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