Camera Shutter speed is one of the three pillars to perfect the exposure, control depth of field and create some interesting effects. In this tutorial we will learn how to use it. Camera Shutter Speed is one of the three element which determine the exposure of the photo.
The shutter speed is the amount of time the shutter allows light to pass through the lens to digital sensor. A correct combination of exposure settings – lens aperture, shutter speed, and ISO sensitivity – will give good contrasting pictures. A perfect shutter speed will give you the photos you desire.
Inside your camera, there is a small flap in front of sensor called camera shutter. When you capture a photograph it will open and close once to letting the light to reach the sensor to create an image. Shutter Speed determines how quickly or slowly shutter opens and closes again.
In a fast shutter speed , shutter is only open for the short period of time. In slow shutter speed the shutter is open for longer period.
Camera Shutter speed is measured in second or millisecond/fraction of second. If the shutter speed is set to 1/100 sec it will expose the sensor for 0.01 seconds. It is also called exposure time.
Shutter speed may vary from few thousandth of second to several second. DSLR Cameras also have a Bulb mode where you can keep the shutter open for as long as you want.
In auto mode, camera guesses the best settings for you to capture the scene. It doesn’t always get it right, and your photo can end up poorly exposed.
Always shoot photo in manual mode and control of your shutter speed. Following things should be considered while doing so.
Camera shake occurs mostly when the camera is hand held. No matter how steady you are, you can never perfectly stand still. Slight movement will get you blurry images and will lack sharpness. Avoid camera shake by using faster shutter speed for photography.
Motion Blur occurs when you photograph a moving subject, for eg: a moving car or while bird photography. If you use a slow shutter speed it will appear as a blurry streak in a final image. To eliminate motion blur use faster shutter speeds for photography.
Make sure that your scene is properly exposed. Keeping the slow camera shutter speed while photography will let in more light, while faster shutter speed lets in less light. Choose shutter speed in such a way that your photos are perfectly exposed. Exposure also depends on Aperture and ISO speed.
Adjust the camera shutter speed to achieve right amount of blurring and then adjust Aperture and ISO speed.
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