Ví dụ về việc sử dụng Colour temperature trong Tiếng anh và bản dịch của chúng sang Tiếng việt
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Colour temperature and CRI.
Colour Temperature is not an indicator of lamp heat.
Different flash output(colour temperature may vary; depends on the flash).
To learn more, watch the video at right,or have a look at the Wiki guide on colour temperature.
On the other hand,LED lighting allows for adjusting the colour temperature, which is a huge advantage for the nurseries.
While adjusting along the G- M axis will determine the overall colour tint of your photos, use the B-A axis if you want to adjust the colour temperature a little more.
I therefore lowered the colour temperature of WB to add cool tones to the image while making sure not to do so excessively.
Flash: Increases the warmtones in the image to compensate for the slightly cooler colour temperature of the flash.
I shot this picture handheld before sunrise, when the colour temperature was high and the entire place was bathed in blue light.
Blue light is progressively minimised from level 100 down to0 along the blue light filter bar, while colour temperature remains optimised.
As with more traditional light sources, the colour temperature of an LED will dictate whether it emits a warm or cool light.
I shot with WB set to‘White fluorescent light' to obtain an image that was somewhat close to what I had in mind,and then corrected the colour temperature during RAW image post-processing.
So, a cool white light has a colour temperature of 4000K, whereas a warmer light effect will have a colour temperature of 2800K.
Before the order to be confirmed,we will check the material& colour temperature by sample which should be strictly.
In addition, the colour temperature of an LED can change over time, which means that the value after several thousand hours of use will not be the same as that for a new product.
They were perfect for this setting, emitting a warm white colour temperature that replicates the nostalgia of the early Edison incandescent models.
Although a colour temperature can only be attributed to points on the black body locus, these light sources are also assigned a colour temperature: correlated colour temperature(CCT).
For lamps with a filament, this measure is easy to apply, as the colour temperature in Kelvin is the same as the actual temperature of the filament.
You may already be familiar with this concept: a lighting system, usually for offices(but sometimes schools or care environments)that carries out a colour temperature and illumination change throughout the day.
It utilises the devices' ambient light sensor to adjust the colour temperature of the iPhone 8 and iPhone 8 Plus screen as lighting conditions change.
First, determine whether the colour temperature is colder(more blue) or warmer(more amber) on the B-A axis, then adjust the colour on the G-M axis to easily create a characteristic colour tone.
Like Filmic Pro(IOS/ Android), a powerful video captureapp that gives manual control over frame-rate, colour temperature, focus, exposure and white balance, and even allows you to shoot in‘LOG' mode.
A more visual example of this apparent colour temperature contradiction can be seen in candlelight, which emits a warm red orange glow, but in fact has a low Kelvin temperature of 1850K.
However, it can also be used totake images with a bluish colour if you set the colour temperature to a low setting(Tungsten light, etc.) or a reddish colour for a high setting(Cloudy, Shade, etc.).
The WB presetsmight not result in accurate colours if the colour temperature from the flash changes or varies, such as in the following conditions.
A phosphor converter transforms this into roadworthy white light with a colour temperature of 5,500 Kelvin- ideal conditions for the human eye that enable the driver to recognise contrast more easily and help prevent fatigue.
The resulting light is comparable to thelight generated by a 30W halogen lamp but with a colour temperature of 6300K: this means a white light instead of the yellow one produced by filament lamps.
Fluorescent lights are primarily used insituations where cost is a factor, their colour temperature is usually greenish, and despite the fact that our brain can compensate for the white balance we still perceive the light as being quite ugly.
Thankfully, when selecting outdoor lighting that will be on at night, there are a few things you can do to limit your impact,including selecting dimmer lights with a warm correlated colour temperature(CCT), only having them on when absolutely necessary, and ensuring lamps are pointing downward and properly shielded so that the light isn't causing light pollution.