Your iPhone can produce a pretty decent amount of light(roughly 40-50 lumens), but it has a few drawbacks. For instance, it’s not as powerful as a real flashlight, and it drains the phone’s battery. So while the iPhone flashlight is excellent for lighting up nearby areas, it’s not...
Measured in lumens. This is a measure of the intensity of the light coming out of the flashlight on the highest brightness setting powered by new batteries. It may also be shown for multiple light settings. This is a great comparison tool, but does not tell the whole story about brightness...
One way to compare lamps is by looking at how much energy they need (measured in watts) to produce the same amount of brightness (measured in lumens). Dividing these two numbers, we get the number of lumens each lamp can produce for a single watt of energy. Looking at the chart here,...
The bottom line is, when you compare an LED aquarium light to the many popular fluorescents & CFLs in terms of lumens per watt, focused lumens, lower wasted light energy, low heat output, energy consumption and long life for those with the IP67 water proof ratings [50,000 hours vs. 8000...
Advantages: This system is rated up to 18,800 lumens, and it doesn’t generate too much heat. There are a variety of customization options that help you choose the perfect system for your grow setup. Disadvantages: It doesn’t have the same strength as an HPS light bulb, and it doesn’...
Torch/flashlight power is measured in lumens. The higher the number, the more powerful they will be. You also have full RGB mini lights, from various manufacturers like Aputure, which offer alternatives to torches. Gels For light painting photography, gels are a must if you’re using torches...