Excuse me, how to shoot the sunrise delay when the camera has only A and M files?

The most attractive thing about time-lapse photography is the unpredictable light and shadow, so many eye-catching time-lapse photography works are taken when the light changes rapidly, such as sunrise and sunset.

Let's analyze the difference between M range and aperture priority mode.

When using M file, the shutter, aperture and sensitivity of the camera need to be set by the photographer himself, and the camera will not participate in the exposure, which means that the camera will not modify the parameters of your camera.

Therefore, especially when shooting at sunrise and sunset, the brightness change is often very large. In a very short time, the shutter speed sometimes ranges from a few seconds to a few hundredths of a second to ensure the proper exposure of the photo.

After using M file, your photos will quickly become seriously overexposed or seriously underexposed.

In aperture priority mode, the camera will automatically match the appropriate exposure parameters according to the change of ambient light at the scene, so that your photos can be exposed as much as possible, and the shutter speed can easily adapt to the change of light, so as to obtain photos with appropriate exposure in a long time.

So when I take time-lapse photography, I will use aperture priority mode in most cases.

It is worth mentioning that when shooting with aperture or shutter first, sometimes the light changes will be less smooth because of the metering problem of the camera, and it is easy to have the problem of "flicker". We can use lightroom+LRTtime software to remove flash in post-processing, and the detailed steps are not detailed here.

Author: Guo Wei

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From mice to pigs

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Under the condition that the light ratio does not change much, it is correct to choose M file.

Take photos of traffic and pedestrians, for example. In this case, choose Av file. If a pedestrian in white or a white car passes by in the picture, the light measurement of the camera will change, which will bring brightness flicker.

Secondly, the time-lapse photography that needs to reflect the change of ambient light should also use M file.

For example, sunrise and sunset, while we are recording this process, the brightness of the sky is also changing gradually. Only when the M file is fixed can the delayed short film reflect this effect.

As for the scene where the light ratio changes greatly, you can consider multi-segment synthesis or Av file.

In addition, if you use the camera's built-in time-delay shooting function, it will not affect the selection of Av file and M file at this time, because the camera's built-in time-delay shooting function will not modify metering, and will always shoot according to the exposure parameters of the first picture. (Even if you choose AV file, it is actually the effect of M file. )