It is measured in a fraction of a second. For example 1/500th of a second
The shutter speed of the human eye is much faster than that of a camera. The eye can perceive and process images in a fraction of a second, while a camera's shutter speed is measured in milliseconds.
Exposure is the combination of aperture and shutter speed. Aperture (measured in f-stops) determines the amount of light that will enter your camera. Shutter speed (measured in seconds) determines the amount of time that the shutter will stay open to allow light to enter.
Shutter speed is how fast your shutter opens and closes to take a picture on your camera. Shutter speed also has a lot to do with exposure. The higher the shutter speed (1/2000 example) the less light.
You can adjust the shutter speed of Canon EOS cameras so there isn't a set shutter speed.
Fractions of a second. 1/8 1/16 1/36 1/400 1/4000
To change the shutter speed on a Nikon D90, turn the mode dial to "S" for Shutter Priority mode. Then, use the command dial to adjust the shutter speed to your desired setting.
Shutter speed and exposure in photography are closely related. Shutter speed refers to the amount of time the camera's shutter is open to allow light to hit the camera sensor. A faster shutter speed lets in less light, resulting in a darker image, while a slower shutter speed lets in more light, resulting in a brighter image. Therefore, adjusting the shutter speed directly affects the exposure of a photograph.
The shutter speed setting controls the picture exposure, or how dark or bright the picture will be. Wikipedia has some very good information on shutter speed and aperture.
It doesn't necessarily inprove your picture. The higher the shutter speed, the less light, also the blur in a photo. A higher shutter speed will freeze a photo. A lower shutter speed will blur most motion and will increase chances of blur.
Shutter speed has a lot to do with your overall exposure. A higher shutter speed will decrease the light a lot. I was in best buy playing around with a camera and turned the camera shutter speed to 1/4000. After taking the photo, the preview was black. I realized it was because of how much higher I increase my shutter speed. Shutter speed also affects motion in a photo. A higher shutter speed will freeze all action in a photo a will less likely have a blur to it if you have a shaky hand. A lower shutter speed lets in more light while the shutter is will opened so the entire time that the shutter is open, the camera takes in all that light. Increasing chances of blur, you can also use this for crazy, funky effects! If your taking a picture of a waterfall with a low shutter speed, your gonna get a blur, which can typically look pretty epic sometimes too.
In photography, the relationship between exposure and shutter speed is that the shutter speed controls the amount of time the camera's sensor is exposed to light. A faster shutter speed lets in less light, resulting in a darker image, while a slower shutter speed lets in more light, resulting in a brighter image.
To change the shutter speed on a camera, you typically adjust the settings using the dial or menu options on the camera. Shutter speed controls how long the camera's shutter remains open when taking a photo, affecting how motion is captured in the image. By selecting a faster shutter speed, you can freeze fast-moving subjects, while a slower shutter speed can create a sense of motion blur.