Traditional Culture Encyclopedia - Photography and portraiture - How to choose camera aperture
How to choose camera aperture
If you shoot a smaller object, you can choose a larger aperture, and you can also take a good photo by highlighting the details with a shallow depth of field effect. The light at night is much darker than during the day. In order to ensure the image quality, choose low sensitivity. With a small aperture, the shutter speed will be slower. The slow shutter can take some special photos. If the exposure time is long, you can choose B-gate exposure as needed.
With the improvement of ISO sensitivity, the images taken by digital SLR cameras will be degraded by noise. If the sensitivity is too high, there will be noise in the picture. The lower the sensitivity, the better the image quality. ISO sensitivity can be 50 or 100 to minimize possible premature phenomena.
Extended data
Techniques for shooting night scenes:
1, shutter speed
Because we shoot in aperture priority mode, the shutter speed is automatically calculated, so we don't need to care too much, as long as the camera is stable. (So we usually shoot with a tripod here. )
2. Hole
When shooting night scenes, I usually put the aperture between F8-F 16 to ensure the small depth of field before and after. As for the specific value selection, it depends on the specific depth of field and the desired effect (such as the length of the car trace, etc.). ).
3, sensitivity ISO
The setting of sensitivity is the simplest, because we don't need to consider the shutter speed, because there is a shelf, so we can only choose the lowest native sensitivity, such as ISO 100 or 64, to ensure our best image quality.
Baidu encyclopedia-night photography skills
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