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Dave’s Tech Reviews

Mostly just flashlights

Latest posts

Sofirn C8F tactical flashlight review

The C8F is a high power tactical light from Sofirn. It has 2 switches for easy operation and throws a reasonable distance.

Playskool flashlight 4000 lumen upgrade

This week I took an original 1980s Playskool plastic flashlight, removed the insides and replaced them with a 4000 lumen flashlight.

Sofirn IF25A

Sofirn IF25A review

Another light from Sofirn I’m reviewing is the IF25A. This is a pocketable flashlight with 4 LEDs. The physical light What’s in the box The IF25A comes in a printed cardboard box. I received the “kit” version, which includes the cell and a few extras: Sofirn IF25A flashlight 4000mAh cell (some shop listings show a […]

Anduril Thermal Config

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.

Sofirn SD05 3000lm diving light review

Today I’m reviewing the updated version of Sofirn’s SD05 flashlight. This is my first diving light and my first light with a rotating switch. The physical light What’s in the box Sofirn picked a plain cardboard box for the SD05. They seem to use this for their larger packages and have a nicer printed cardboard […]

Imalent MS03 flashlight review: The brightest pocket flashlight in the world?

This is quite exciting. I got my hands on Imalent’s new MS03 flashlight: this light pumps out 13,000 lumens from a single cell, making it the brightest pocket-sized flashlight in existence. Read on to see what it’s like in real life. Purchasing You can buy the light from ImalentStore.com. It’s currently $129.95. Quick review This […]

Flashlight User Interfaces

A user interface is the way that someone interacts with a device. In the case of flashlights, it’s normally by 1 or more switches that are pressed. A UI can be the different between a flashlight staying on a shelf or being used regularly.

Sofirn SP40 headlamp review

The Sofrin SP40 is a great entry level headlamp that has the quality of lights twice its price. It’s a great all rounder, coming with USB charging, an included cell, head strap and even an extra body tube for shorter cells.

Sofirn SC31b flashlight review

Sofirn have produced a great budget light in the SC31b. The simple user interface, USB charging, included cell and pocket clip make this a great flashlight for all and easy to recommend to others.

Manker MC12 flashlight review

The Manker MC12 is a pocket thrower flashlight that reaches 650m. This is a great light if you want to light things up a long way away but also want something that’s not so heavy that it always gets left at home.

Why Flashlights?

You may have noticed that this blog seems to focus on flashlights (or “torches” in the UK). They’re simple things compared to most technology but their elemental nature makes them almost entrancing.

In search of the best pocket thrower flashlight

I started looking for the best pocketable flashlight that throws its beam a long way. This article documents the rabbit hole I ended up in. In it I’ve compared lights from EagTac, Lumintop, Acebeam and Emisar.

Converting Candela to Throw

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.

All posts

  • Sofirn C8F tactical flashlight review
    The C8F is a high power tactical light from Sofirn. It has 2 switches for easy operation and throws a reasonable distance.
  • Playskool flashlight 4000 lumen upgrade
    This week I took an original 1980s Playskool plastic flashlight, removed the insides and replaced them with a 4000 lumen flashlight.
  • Sofirn IF25A review
    Another light from Sofirn I’m reviewing is the IF25A. This is a pocketable flashlight with 4 LEDs. The physical light What’s in the box The IF25A comes in a printed cardboard box. I received the “kit” version, which includes the cell and a few extras: Sofirn IF25A flashlight 4000mAh cell (some shop listings show a […]
  • Anduril Thermal Config
    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.
  • In search of mega throwers: the world’s furthest distance handheld search lights
    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.
  • A brief history of pocket rockets
    Abbreviated history of high power single cell flashlights
  • Sofirn SD05 3000lm diving light review
    Today I’m reviewing the updated version of Sofirn’s SD05 flashlight. This is my first diving light and my first light with a rotating switch. The physical light What’s in the box Sofirn picked a plain cardboard box for the SD05. They seem to use this for their larger packages and have a nicer printed cardboard […]
  • Imalent MS03 flashlight review: The brightest pocket flashlight in the world?
    This is quite exciting. I got my hands on Imalent’s new MS03 flashlight: this light pumps out 13,000 lumens from a single cell, making it the brightest pocket-sized flashlight in existence. Read on to see what it’s like in real life. Purchasing You can buy the light from ImalentStore.com. It’s currently $129.95. Quick review This […]
  • Flashlight User Interfaces
    A user interface is the way that someone interacts with a device. In the case of flashlights, it’s normally by 1 or more switches that are pressed. A UI can be the different between a flashlight staying on a shelf or being used regularly.
  • Sofirn SP40 headlamp review
    The Sofrin SP40 is a great entry level headlamp that has the quality of lights twice its price. It’s a great all rounder, coming with USB charging, an included cell, head strap and even an extra body tube for shorter cells.
  • Sofirn SC31b flashlight review
    Sofirn have produced a great budget light in the SC31b. The simple user interface, USB charging, included cell and pocket clip make this a great flashlight for all and easy to recommend to others.
  • Manker MC12 flashlight review
    The Manker MC12 is a pocket thrower flashlight that reaches 650m. This is a great light if you want to light things up a long way away but also want something that’s not so heavy that it always gets left at home.
  • Why Flashlights?
    You may have noticed that this blog seems to focus on flashlights (or “torches” in the UK). They’re simple things compared to most technology but their elemental nature makes them almost entrancing.
  • Manker MC12 intro and exploring an abandoned WW2 building
    Here’s a quick preview of the Manker MC12 flashlight, with 650m throw, exploring an abandoned WW2 building. You can read the full Manker MC12 review here.
  • In search of the best pocket thrower flashlight
    I started looking for the best pocketable flashlight that throws its beam a long way. This article documents the rabbit hole I ended up in. In it I’ve compared lights from EagTac, Lumintop, Acebeam and Emisar.
  • Converting Candela to Throw
    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.
  • Nightwatch NSX3 (NS53A version) Flashlight Review
    The Nightwatch NS53A is a single 21700 cell hot rod flashlight that puts out 9900lm. This is one of the brightest lights for its size and is ridiculous.

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