What is the best lux meter?

Best Light Meter

• GossenDigiPro F2 Light Meter.
• Dr. Meter LX1330B Digital Illuminance Light Meter.
• Kenko KFM-1100 Auto Digi Meter.
• Ikan CV600 Digital LED Light Meter.
• Sekonic L-478DR Litemaster Pro Light Meter.
• Sekonic L-308X-U Flashmate Light Master.
• Gossen GO 4046 Starlite 2 Exposure Meter.
• Extech LT45 LED Light Meter.

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Can I use my phone as a light meter?

You can get Lux Light Meter Free for your Android devices. It includes most of the same features and options as the iOS version.

What is lux meter used for?

Lighting professionals use a light meter (also called an illuminance meter or lux meter) to measure the amount of light in a space/on a particular work surface. The light meter has a sensor that measures the light falling on it and provides the user with a measurable illuminance reading.

Can I use a lux meter for photography?

Lux and footcandles are so not useful to photographers. What photographers want to know is the aperture and shutter speed to use at a given ISO for a light. The key to this is simple: 1000 lux or 100 fc give an exposure of f/2.8 at 1/50 for ISO 100.

Is lux and lumens the same?

Relationship between Lumens & Lux

One lux (1 lux) is defined as being equivalent to one lumen spread over an area of one square metre. To put it another way: A specification in lux tells you how many Lumens (total light output) you need given the measured area you are trying to illuminate.

What is the Sunny 16 rule in photography?

The rule serves as a mnemonic for the camera settings obtained on a sunny day using the exposure value (EV) system. The basic rule is, “On a sunny day set aperture to f/16 and shutter speed to the [reciprocal of the] ISO film speed [or ISO setting] for a subject in direct sunlight.”

Is 5000 lux the same as 5000 lumens?

Lux is a unit of light measurement where the area is also taken into account. 1 lux equals 1 Lumen/m2, in other words – light intensity in a specific area. Lux is used to measure the amount of light output in a given area. One lux is equal to one lumen per square meter.

How bright is 40000 lumens?

BRIGHT LIGHT – 300 Watt LED puts out 40,000 Lumens and can replace a 1000 watt Metal halide MH or HPS/HID light. 5000K light color ensures a bright clear light. Light can be used as Parking Lot Lights, Sports Court Lights, Street Lights, walkways, roadways or any other use.

Are smartphone lux meters accurate? Light meter apps are accurate.

And, their accuracy is typically within a 1/10 stop of stand-alone devices. So, if there is one key element to remember it’s this: You will achieve working, accurate results from your light meter app if used correctly. It’s as easy as that!

Can a lux meter measure LED light?

Lux meters can detect and measure all white light, especially from the sun or incandescent bulb. Lux meters are unable to accurately pick up LED light as LED lights have a higher blue light wavelength. Additionally, lux meters will not be able to tell the luminosity of blue, red or purple LED lights.

Are light meter apps any good?

Light Meter Free

This app is highly useful for golden hour photography and landscape photos. This Android light meter comes with a Sunny Sixteen calculator and a Depth of Field calculator. It also has an EXIF reader. You can calculate white balance with high precision which will simplify photo post-processing.

Which is better lux or lumens?

1 lux equals 1 Lumen/m2, in other words – light intensity in a specific area. Lux is used to measure the amount of light output in a given area. One lux is equal to one lumen per square meter. It enables us to measure the total “amount” of visible light present and the intensity of the illumination on a surface.

How accurate are lux meters?

A traditional lux meter may give an accurate reading of 500 lux, but the human eye can’t visibly see all 500 lux and may actually only be able to see 300 lux. Ultimately this result in inaccuracies. You can get around this by using a specialised LED light meter.

Is Lux Light Meter Pro accurate?

I tested all lux light meter apps that I found on the App Store. The test revealed that most of them are entirely useless as they miss their one single purpose: To measure accurately.

How accurate is lux light meter app? The median deviation from the reference value measured by all the apps on the Android smartphones and on the Windows phones was on average 60% above the reference value. The median deviation of all values measured with all the different iphones was approx. 60% below the reference value.

How many lux do I need? Recommended Light Levels by Space

ROOM TYPE	LIGHT LEVEL (FOOT CANDLES)	LIGHT LEVEL (LUX)
Bedroom – Dormitory	20-30 FC	200-300 lux
Cafeteria – Eating	20-30 FC	200-300 lux
Classroom – General	30-50 FC	300-500 lux
Conference Room	30-50 FC	300-500 lux

• Jun 7, 2018

How bright is 4500 lumens? Dark Sky-Friendly Lights

Choose lamps that have a total visible light output of 4500 lumens or less. This is equivalent to about four 60-watt (or one 250 watt) incandescent bulbs. That’s a lot of light at night.

Do you need a light meter for landscape photography?

Are light meters obsolete?

A light meter immediately became not only redundant, but obsolete, since he could instantly preview a shot and measure the RGB values of any pixel in the image.

Can you use a light meter for outdoor photography?

For landscape photography, the incident mode on your handheld will give you the most accurate reading. Simply hold the light meter out in front of the camera, making sure that the same light falling on the scene is hitting the lumisphere of your meter.

How can I expose without a light meter?

How much lux do I need?

Recommended Light Levels by Space

ROOM TYPE	LIGHT LEVEL (FOOT CANDLES)	LIGHT LEVEL (LUX)
Bedroom – Dormitory	20-30 FC	200-300 lux
Cafeteria – Eating	20-30 FC	200-300 lux
Classroom – General	30-50 FC	300-500 lux
Conference Room	30-50 FC	300-500 lux

• Jun 7, 2018

What is the difference between light meter and lux meter?

To support the previous comments, lux meters measure only the total irradiance in the visible part of the spectrum whereas a ‘light meter’ may be similar or be able to measure accross the visible and some of the UV as well depending on its construction/ optics.

How bright is 100lux?

100 lux – This level of light is sufficient for lifts, corridors and stairs. Areas that are transitory for occupants and don’t require any detailed work. Warehouse areas and bulk stores will also require this minimal light level.

How many lumens do I need for indoor photography? You may calculate for yourself, considering that for 1 f/stop (or step in shutter speed) you need double the power. So, for f/16 1/4s it takes 5200 lumen. To gain also a 1 stop shorter s.s. (1/8s) it would take another doubling = about 10400 lumen.

How many lumens do I need?

Lumens calculation summary

Multiply your room square footage by the footcandle requirement. For example, a 100-square foot living room, which needs 20 footcandles, will need 2,000 lumens. A 100-square foot dining room, which needs 40 footcandles, will need 4,000 lumens ² (see PDF and complete footcandle index).