Traditional Culture Encyclopedia - Traditional festivals - Shutter explanation is a photography course that everyone can understand?
Shutter explanation is a photography course that everyone can understand?
Shutter is a device used in a camera to control the time when light irradiates the photosensitive element of the camera. A shutter can be understood as a door. The door opens and light enters the camera. The door closed and the light stopped entering the camera. The opening and closing time of the door (shutter speed) affects the amount of light entering the camera, thus controlling the photo exposure.
The unit of shutter speed is "seconds". The number1125 means one-fifth of a second. The larger this value, such as 1/50,115, the longer the shutter is opened, the more light will enter the camera. On the contrary, the smaller the value, the less light enters.
2. The influence of shutter speed on exposure
Under the condition of constant aperture and iso, the longer the shutter opening time, the slower the shutter speed, the brighter the picture, the shorter the shutter opening time, the faster the shutter speed and the darker the picture.
3. Application of shutters
(1) automobile light rail
The shutter speed of this picture is 8 seconds. This shutter speed can also be called "long exposure". It was taken 8 seconds after the camera recorded the light.
② High speed shutter
The shutter speed of this picture is 1/8000 seconds, which was taken at the moment when the fruit fell into the water. The high-speed shutter can instantly record the shape of an object.
4. Application of blinds
Static street sweeping 1/60
Motion scene 1/400
Walking snapshot 1/200
Landscape shooting 1/30
Animals/birds11000
Towing guide 2s-8s (tripod required)
Spring Festival Fireworks 1s-2s (tripod required)
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