Astrolux MF01S Flashlight Review

Today I’m reviewing the Astrolux MF01S, which boasts 15,000 lumens and 616m throw (95,000 cd). You can buy the Astrolux MF01S at Banggood (without cells, affiliate link). They also sell the MF01S with cells. As of Oct 2021, there’s a 23% discount code BGASFT01S This is an updated version of the original MF01, which took …

Convoy flashlight naming guide

Convoy have a whole load of flashlights, all with confusingly similar names. Convoy sell their flashlights on the Convoy AliExpress Store, Banggood and Nealsgadgets but there’s so many that it’s impossible to work out which one is which. Here’s a rough overview of the main ones. This isn’t going to be fully comprehensive but should …

Flashlight parts

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 …

Measuring lumens without an integrating sphere or calibration source

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 …

In search of mega throwers and flooders: the world’s furthest distance and brightest handheld flashlights

How would you like to see literally miles away in the dark? Some of these lights have a beam that throws so far that you need binoculars to make the most of them. There’s been a few new massive flashlights recently. Here’s a quick run down. Scroll to the end for a quick overview.

Wurkkos TS30 flashlight review

Introduction Wurkkos are still new in the flashlight world but are starting to get fairly well known due to getting lots of things just right. Members of r/flashlight regularly recommend the Wurkkos FC11 due to its tint, build quality and USB-C charging. From what I understand they’re a separate company to Sofirn but the 2 …

Imalent RT90 flashlight review

1308m throw, 4800 lumens Introduction Imalent are known for their high power and long range flashlights, squeezing in as many lumens and candela as they can. The Imalent RT90 is one of these, designed primarily for high throw, rather than lumens. That said, it still produces almost 5000lm. Imalent released their RT90 flashlight at the …

Convoy M3-C flashlight review

This review was originally written for and appeared on 1lumen. This flashlight was sent to me for review at no cost by Convoy. I have not been paid to review, nor have I been holding back on problems or defects. Introduction Convoy is well known amongst flashlight enthusiasts. Especially for their low cost and easy …

Osram White Flat LEDs: W1, W2, Boost HL, Boost HX

Osram have a few different emitters that they use in flashlights, mainly for high throw. People refer to them in different ways, normally as White Flat. This post aims to clear up the naming and also help me remember which one is which. Bits of the information are based on this long thread on BLF, …

Sofirn SP31UV flashlight review

Here’s another light from Sofirn. This time their SP31UV (or SP31 UV). This is their SP31 light with an ultra violet LED. About the light You may have already seen Sofirn’s white LED SP31 flashlight. It’s a dual switch flashlight with an 18650 cell and a CREE XP-L HI LED. Sofirn have reused the host …