Articles on photography: Speed
By Shoot & Tellshoottell. Thursday, February 16, 2012 5:18:17 AM
Originally posted 24. September 2010 for Speed theme by Orlando
The first official S&T Theme was Speed. Shutter Speed! We hope that the few tips below will help to understand shutter speed and its effects.
1 - Use your Camera Modes
Most of the cameras today have several Exposure Modes to take photos, not only Auto Mode. See if your camera has a S (Shutter Priority) or a TV (Time Value Priority) Modes. These Exposure Modes will let you set shutter speed, and your camera will set the Aperture automatically, so you can get a well exposed photo.
2 - No S/TV Modes? Use Scene Modes!
Many cameras only have Auto Mode and Scene Mode. Although being a bit more harder to get things right, using Scene Modes can help you to achieve higher or lower shutter speeds. How?
Action/Sports/Kids Modes: these 3 modes will set a higher shutter speed, that will allow you to freeze moving objects or actions taking place;
Landscape/Night Modes: these modes will set a lower shutter speed, so you can get light trails, moving blurs or plain fuzzy mess!
3 - Remember Camera Shake
You can hand hold your camera without camera shake only to a certain point. This means when shutter speed is low and you're hand holding your camera, you might get messy, fuzzy, blurred photos, due to camera shake. Use a tripod! The anti-shake system will only make possible to get a decent shot with a little lower shutter speed, but it doesn't operate miracles!
4 - DOF: Depth Of Field
While using the camera in the mencioned Exposure Modes, each time you set the shutter speed the camera will automatically set the Aperture, allowing you to take a well exposed photo in 90% of the cases. If you set a high shutter speed (e.g. 1/2000), this means that light will have less time to reach the sensor. The camera will set a wider Aperture (e.g. f/3.5), that makes possible more light to get to the sensor in less time. On the opposit, if you set a lower shutter speed (e.g. 1/60) the camera will set a smaller Aperture (e.g. f/22): less light in more time. In the end, the amount of light reaching the sensor will be the same.
When you have a wider aperture (e.g. f/3.5), DOF - Depth Of Field (let's simplify and call it the area in focus) - will be shallow. You have to focus carefully!!! On the other hand, a smaller Aperture (e.g. f/22) will get you a wider DOF, so more area will be in focus. But you'll have lower shutter speed, so beware of Camera Shake, ok ?