The high-sensitivity ISO can be adjusted when taking pictures with a SLR camera. The darker the light when taking pictures, the higher the ISO. The higher the ISO, the more noise there will be and the

The high-sensitivity ISO can be adjusted when taking pictures with a SLR camera. The darker the light when taking pictures, the higher the ISO. The higher the ISO, the more noise there will be and the worse the picture quality will be. So in the light

When the light is insufficient and the ISO sensitivity needs to be lowered, the only option is to increase the aperture and increase the exposure time. However, increasing the aperture will reduce the depth of field and affect the image quality, so I think the best way is to increase the exposure time. Of course, it is best to use a tripod and a shutter release cable. The photo below was taken in Beijing, manual exposure, F8 aperture, 2 seconds shutter, ISO as low as 100. Although it is a machine from 7 or 8 years ago, the noise control is still acceptable.

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