Glare brightness test and evaluation based on SLR camera

With the significant reduction in the cost of LED lighting products, LED lamps have gradually become the mainstream products in various lighting applications, and commercial, landscape and road lighting replacement projects are being carried out in close proximity.

At the same time, while achieving energy saving and beautification, glare has become a problem in the industry for LED lamps. In most cases, glare can have a negative impact on the lighting effect, and even directly lead to the failure of the lighting design. For outdoor lighting , it is more about safety.

At present, most lighting companies only provide simulation effects to simulate glare, and some lighting design companies have already provided customers with glare control requirements by providing actual test glare values, which undoubtedly provides a powerful weapon for more projects and customers. .

Glare brightness meter:

Essential tool for light environment test evaluation

The traditional glare test method, using a traditional brightness meter with a complex Mask, requires an extremely professional team to complete. Before conducting the evaluation test, a special project team and a special budget need to be set up, so it can only be used as a research project and cannot be applied in the lighting industry.

The advent of imaging luminance meters has made photoenvironmental evaluation practical. There are already CCD camera-based imaging luminance meters on the market, but they are more suitable for laboratory testing, not suitable for lighting scenes, and require dedicated power supplies, computers and dedicated stable gantry, which is not convenient. More critically, they often fail to meet the high dynamic testing needs of real-world scenarios, and are complex and expensive to make.

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Gomeo Technology, which is committed to providing high-precision optoelectronic test solutions, introduces the latest generation of LMK Mobile products from TecnoTeam, Germany, and LMK Mobile Air (image-based brightness meter based on SLR cameras), which perfectly solves the problems of imaging luminance meters on the market. .

LMK Mobile Air:

App controlled imaging luminance meter

LMK Mobile Air uses SLR camera (Canon EOS70D) as the image acquisition device. The LMK Mobile series was launched at the end of the last century. The SLR camera used was the first Rollei d30flex, and later passed the EOS series 350D, 450D, 550D, 650D until the latest launch. The LMK Mobile Air uses the EOS70D camera and has developed a dedicated app for camera control testing.

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Among them, the easy-to-learn APP application is a major technological innovation point of LMKMobileAir.

For users who do not have the professional skills of SLR camera shooting, TechnoTeam has developed the corresponding APP application, which communicates with EOS70D via Bluetooth. Users can control the aperture, gain and exposure time of the camera by simple control on the iPAD. Wait for the parameters and check if the captured picture meets the requirements (eg overexposure, etc.). Even if you have never used a SLR camera, you can easily get started.

App control can simplify the test error caused by improper setting of aperture, exposure time and ISO value during the test, and can also analyze the test results in time on iOS equipment, such as iPad.

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