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A Lumen is a measure of the total amount of light emitted from a source.
12000 lumens means the light has the intensity of 12000 lumens of light.
When you are looking for how bright a certain light bulb will be, whether it is LED, CFL or incandescent – the number of lumens is what you need to use as your comparison.
Lumens is the unit measurement of brightness, with 1 lumen equalling the brightness of 1 candle, so 12000 lumens has the brightness of 12000 candles.
12000 lumens is a very high level of light for LED or metal halide lighting. It’s suitable for use in high output light fixtures, floodlights and projectors, but can even be used in flashlights for short bursts of time.
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The brightness of 12000 lumens is very good for most outdoor applications. It is bright enough to light up a large area and can be used for security purposes through floodlighting.
The brightness of a 12000 lumen flashlight is extremely good in its class and will provide a very far reaching beam of light as all the illumination is focused and directed forwards and efficiently by its design.
The wider the beam of a flashlight the less intense the light will be and therefore feel less bright. The narrower the beam the more concentrated the light will be.
We have more on How Many Lumens Are Good for a Flashlight.
The brightness of a 12000 lumen torch (UK for flashlight) is the power of light of 12000 candles. This level is regarded as a very bright level of torch suitable for professional use and search and rescue.
The brightness of an 12000 lumen bike light is extremely powerful and will allow you to see everything in your path while riding at night. However, it is too bright to be used on roads with cars, creating too much glare for oncoming vehicles.
The brightness of a 12000 lumen projector is good for an outdoor projector. It is bright enough to project a large image on a screen indoors and out regardless of ambient lighting conditions.
We have more on How Many Lumens are Good for a Projector?
To compare how much light you get with different lumens levels, imagine a one by one meter room. If the room has an incandescent bulb which emits 12000 lumens then it can illuminate that area to roughly 1200 lux (depending on the reflectivity of surfaces in the room).
LED light is directional and very efficiently delivers light compared to other lighting sources. This amount of light is distributed with minimal wastage and creates a brighter intensity on a surface than 12000 lumens from other technologies.
LED light with cold white color temperatures of 4000K to 6500K will feel brighter when compared to the warmer yellowish tones of 3000K warm white or 2700K soft white, when using the same lumen output.
To know whether 12000lm is bright enough, it depends on the task it is being used for. For direct illumination from hand held sources like lanterns and flashlights it is extremely bright and certainly bright enough for even the most demanding of applications.
The number of lumens you need for a room depends on the size of the room and the level of brightness you want.
We have lots more on How Much Lighting Do I Need for A Room?
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The answer depends on how high the light source is from the floor, how wide the light spreads and the type of lighting product delivering this light.
However, in general terms the foot-candle or lux requirements of the activity in the space will determine if there is sufficient light in that room.
For example, a living room that is 100 square feet needs between 1,000 and 2,000 lumens of light. A dining room that is also 100 square feet needs between 3,000 and 4,000 lumens of light.
For more brightness guides see How Bright Should a Room Be?
The distance light will travel depends on how the light is being delivered, particularly the beam angle of the light and it’s intensity. The more compactly the lumens are delivered the further the distance will be.
For example, a flashlight with 12000 lumens such as the Garberiel flashlight can a throw light 3280 ft or 1000 m on the 12000lm turbo setting at no less than 0.25 lux.
ANSI lumens is a measure of the total light output from a projector in all directions. This amount of brightness is suitable for very large spaces like conference halls and outdoor venues. The range of 12000 ANSI lumens can provide an image up to 280 inches wide with good contrast and color accuracy even in high ambient lighting conditions.
12000 ANSI lumens is equivalent to 5000 lumens, check out ANSI Lumens vs Lumens for more.
A 12000 lumen torch is extremely bright indeed and good for all outdoor activities such as camping and hiking, and trekking. It can be used generally and will easily illuminate a whole back yard from this single source of light.
It is too bright and not suitable for close up task related jobs. Care should be taken with this amount of light from a single point small source as the light is very intense and the batteries will drain quickly. This level of light intensity from a flashlight will get hot and can even burn through paper when held close, as shown on the video below!
An 12000 lm floodlight is very bright and will easily illuminate the areas around your home. It’s a good option for lighting up where you need it most, with additional features such as motion sensors available to choose from depending on how much control or automation you require.
An 12000 lumen outdoor solar light is often in a floodlight style design comprising of several panels each with many multiples of exposed LED chips. This amount of light is very bright and can be used to light up a wide area of your garden or outdoor living space. Perfect for those who want all the convenience of solar, with no wiring required and little ongoing maintenance.
The brightness of an 12000 lumen LED bulb is typically 120W depending on its efficacy, and is extremely bright. It is equivalent to 1000 watts of incandescent light and has a ‘corn on the cob’ LED form factor, so it must be shrouded within a product to hide the source for aesthetic and glare reasons.
A 12000 lumen short throw projector is very bright and can project a large image on a screen in relatively high ambient lighting conditions. This is due to the amount of light that is emitted from the projector and how it’s directed towards the screen.
A 12000 lumen headlamp is super bright for a head mounted light source and can be used for a variety of activities such as running, biking, hiking, and more. The light is intense and should be used with care, avoiding directing the light into eyes.
Even at this level it’s important to note that the further the distance you are trying to see, the dimmer the light will appear.
A 12000 lumen work light is very bright and can be used for a variety of applications such as construction, automotive work, and more.
A 12000 lumen garage light is very bright and can be used to illuminate your garage so you can see while working on projects or parking your car.
When considering 12000 lumens to watts you need to consider the type of bulb or light source. The efficiency of the technology determines the power used to create the same amount of light:
Useful comparative measurements often asked:
Lux can only be measured by knowing the distance and the area the lumens have to travel to.
12000 lumens is 12000 candles.
A degree of kelvin is the unit of measurement for color temperature, therefore there is no direct comparison with kelvin to lumen. However, an impression of brightness will increase with a high degree of kelvin as the light seems colder and brighter to the viewer.
Lumens and Candela. Lumens is the total amount of light from a fixture. Candela is how much of that light from a fixture shines in one direction. So 12000 lm would be less than 12000 candela with the candela only quantified if the angle of beam width is known.
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