The 8 Best Light Meters

Updated June 18, 2017 by Daniel Imperiale

8 Best Light Meters
Best High-End

Best Mid-Range

Best Inexpensive

We spent 39 hours on research, videography, and editing, to review the top selections for this wiki. Whether for still photography or cinematography, the right light meter will recommend the proper exposure and light levels for any portrait or scene. Some of the models included in our selection are also ideal for light design in buildings, as well as a host of industrial applications, including the measurement of window opacity. When users buy our independently chosen editorial picks, we may earn commissions to support our work. Skip to the best light meter on Amazon.

8. Extech LT40 LED

The Extech LT40 LED is a high-quality and versatile tool that is suitable for everything from planning out the lighting schemes of a museum or hospital or for taking readings as you prepare a movie set, provided your primary sources are LEDs.
  • comes with a storage pouch
  • runs on 2 aa batteries
  • not meant for work in sunlight
Brand Extech
Model LT40
Weight 10.4 ounces
Rating 4.7 / 5.0

7. Extech EA33 EasyView

The compact Extech EA33 EasyView features a large LCD screen and a wide measurement span, reaching 99,990 foot candles in five ranges. It can store and recall up to 50 readings, each of which is marked with a convenient time stamp.
  • ripple function excludes stray light
  • automatic shutoff
  • cord is a little on the short side
Brand Extech
Model EA33
Weight 1.6 pounds
Rating 4.8 / 5.0

6. Sekonic 401-208 Twin Mate

The Sekonic 401-208 Twin Mate is an analog option that hearkens back to the days of film-based photography. It's a wonderful way for a budding photographer to get used to the idea of using an extra device to help determine exposure.
  • compact and portable
  • half-stop iso increments
  • not ideal for video work
Brand Sekonic
Model 401-208
Weight 4.2 ounces
Rating 3.9 / 5.0

5. Dr. Meter LX1330B Digital

The Dr. Meter LX1330B Digital consumes only a small amount of power, so a single 9V battery can provide up to 200 hours of use. The unit's orange silicone rubber cover is removable, so you can deploy it in less friendly conditions, or go without in controlled environments.
  • rapid response time
  • 1-year warranty
  • may struggle with led lights
Brand Dr.meter
Model LX1330B
Weight 16 ounces
Rating 3.9 / 5.0

4. Extech HD450 Data Logging

The Extech HD450 Data Logging is a heavy-duty option that comes with data storage capable of automatically saving up to 16,000 readings. You can connect it to your PC via USB and back up all of your information there, as well.
  • rugged double-molded housing
  • precision silicon photo diode
  • includes built-in stand
Brand Extech
Model HD450
Weight 2.9 pounds
Rating 4.5 / 5.0

3. Sekonic L-308S-U Flashmate

Designed with a smaller profile than much of its competition, the Sekonic L-308S-U Flashmate might just be diminutive enough to fit in a few pockets. It's very simple to use, without a lot of bells and whistles, but it's also exceedingly accurate.
  • exposures to a tenth of a stop
  • slide-mounted built-in lumisphere
  • 3-year warranty with registration
Brand Sekonic
Model 401-307
Weight 6.1 ounces
Rating 4.6 / 5.0

2. General Tools Digital UV513AB

The General Tools Digital UV513AB is designed to measure ultraviolet radiation in a range from 280 to 400 nanometers. It is suitable for everything from scientific data collection to testing window tint opacity. Its sensor is tethered to the main body by a 46-inch cord.
  • includes certificate of calibration
  • low battery indicator
  • 20-point memory
Brand General Tools
Model UV513AB
Weight 2.3 pounds
Rating 4.9 / 5.0

1. Sekonic L-478D-U Litemaster Pro

The Sekonic L-478D-U Litemaster Pro is designed to fit comfortably in the hand. Its trigger is located on the side where your fingers rest, so taking a measurement is fast and easy. Its touchscreen interface allows for quick adjustments to match your camera settings.
  • color lcd readout
  • still and cinema modes
  • lux and foot candle options
Brand Sekonic
Model 401-474
Weight 8.8 ounces
Rating 4.9 / 5.0

The Luminous History Of The Light Meter

Photographers have looked for ways to measure light since the earliest days of their craft. The most common method of measuring light exposure back then involved the extensive use of trial and error. This was daunting work when one considers that the early days of photography were awash with photographers making their own emulsions from scratch and experimenting with exposure times measured in minutes, not milliseconds like we have today.

Mass production in the 19th and 20th centuries brought about more standardization. The differences between batches became more narrow, and results became more repeatable. However, even the most diligent exposure tables had their inherent flaws.

Light exposure measuring instruments began to appear in the early 20th century. The most popular of these prototypical instruments was called the actinometer, which utilized a special paper that turned dark upon exposure to light, without the use of chemicals. Photographers took readings by exposing a small piece of this paper to light and then timing how long it took for that paper to reach the reference point provided by their specific actinometer manufacturer. They would then look up the time on a chart and find the balance between aperture and exposure time necessary for the shot. Cameras with built in actinometers arrived as early as 1933.

Early methods such as these required one to make subjective comparisons, which opened the door for egregious error. Other tools were needed to replace them and inventors soon turned their attention to the electric light meter. The most promising early models used magnets that detected electrical currents caused by light radiation, providing a much more objective readout than any previous method. The most important innovation of the era was the Alnico magnet, invented by Tokushichi Mishima in the late 1920s. These are a type of permanent magnet that allow photo-electric light meters to measure the amount of current flowing through them. People have used Alnico magnets in nearly every light meter from the time of their invention through to the digital age. It is responsible for paving the way for all the light meters of the modern era.

Setting Up A Light Meter To Use With A Camera

Modern cameras contain built-in exposure meters that are lightyears ahead of their early counterparts. This causes many amateur and professional photographers to consider an external light meter to be a wasted investment. These internal meters are not without their flaws, however. They may measure the background of the image over the foreground, pick up extra light from reflections, or measure certain colors more strongly than others. This can result in a poorly exposed picture or entire scenes which need to be heavily light balanced in post production. On a professional level, one can find these meters on every single film set, bar none. This shows that handheld light meters are still essential to obtain the best results possible from behind a camera.

Properly using a light meter is less straightforward than it seems. Photographers or filmmakers adapting from the built-in meters in their cameras may need some guidance to start out. The first step to support the best use of a light meter is to prepare the camera. Set the camera to manual mode, and select the desired ISO and aperture settings. ISO is the level of sensitivity your camera will have to available light. A lower number means less sensitivity, where a higher number means more. Higher ISO settings are useful in darker environments in which pictures would otherwise turn out underexposed. Aperture affects the degree to which a given lens's aperture blades will open, allowing in more or less light. Counter-intuitively, larger numbers mean a smaller opening where smaller numbers mean a larger opening. These settings will also affect a photo's depth of field.

Next, prepare the light meter for use. One can do this by matching the ISO number and aperture to match that of the camera. In many units, the sensor is located within a small white dome attached to the meter. Some units have knobs that need to be twisted, while others have windows that need to be opened. Either way, the photographer must expose the sensor to light in order for it to work. The last step is to make sure the light meter is on the proper mode setting. From there, simply adjust your camera's settings as the meter advises and begin shooting.

What To Look For In A Light Meter

The needs of individual photographers and filmmakers will largely decide the features they must have in a light meter. In general, there are a few important things to consider when choosing from among the market's many models.

One of the first things to consider is the range of the sensor. Some meters are ideally suited to handle the natural spectrum of energy produced by the sun, and are therefore best suited for outdoor use. Other meters have been adapted to meet the specific needs of the studio environment. These meters may be more sensitive to a higher range of the cold light found in the studio setting.

Another consideration is the build of the unit. These meters get bumped around a lot when carried in a camera bag. As such, the vulnerability of the unit can make all the difference in the purchase. The most important consideration in this regard is that the housing protects the sensor at all times when not in use. The photosensors within these meters are highly sensitive tools. Exposure to light when not in use can cause them to lose their effectiveness over time, and may produce inaccurate readings.

It is also important to consider the body of meter itself. Accidents and drops happen in real life and on the set. Having a ruggedly designed light meter can help to protect the internal circuitry from drops and scrapes.

Many photographers favor the ability to use the meter with one hand. Some units have detachable sensors that can require both hands for use. Having an attached light sensor on the unit is important for photographers in the middle of a shoot wanting to do a quick light check without putting the camera down.



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Last updated on June 18, 2017 by Daniel Imperiale

Daniel is a writer, actor, and director living in Los Angeles, CA. He spent a large portion of his 20s roaming the country in search of new experiences, taking on odd jobs in the strangest places, studying at incredible schools, and making art with empathy and curiosity.


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