Analyze how to prevent camera shake from causing blurry photos

Beginner photographers often take photos in which no part of the photo is clear, and some even have a ghost image of the subject, which seriously affects the visibility of the photo. At this time, are you very upset, but also puzzled about the solution? Let’s take a look at the reasons for this phenomenon and how to avoid it.

Everyone knows that a digital camera focuses light through a lens and projects it onto an image sensor (CCD or CMOS) to finally create an image. The component that controls the length of time that light is projected onto the image sensor is the shutter. If the shutter speed is 1/2 second, this means that the image sensor is exposed to light for 1/2 second. In this way, when the same beam of light moves on the image sensor within this 1/2 second, the camera will record the trajectory of the object, making the photos taken blurry. So how to keep the camera from shaking during the period from the shutter opening to closing and avoid the above situation? The methods are as follows:

1. Use a tripod

In order to prevent the camera from shaking when pressing the shutter, try not to use a time lower than 1/60 second when shooting handheld The shutter speed can be mastered as a principle. If you must use a slow shutter speed to shoot, such as a speed below 1/30 second, you should use a tripod to set up the camera to minimize camera shake. When choosing, you should pay attention to: choose a tripod that can support the weight of the camera. A tripod that is too thin cannot support a heavier camera, while a tripod that is too thick is too heavy and inconvenient to carry.

In addition, some people also use monopods to protect themselves from shock. Monopods are convenient and fast to use and move. They are commonly used in certain occasions such as basketball games. However, if the shutter speed is too slow, camera shake cannot be avoided.

2. Pay attention to body posture

In addition to the hands holding the camera, other parts of the body will also affect the stability of the camera. How to achieve a correct posture?

First of all, when standing, you should avoid leaning forward or backward, because this will cause imbalance of the body and affect the stability of the hands. At the same time, stand with your left and right feet one after the other to make your body more stable while lowering your center of gravity.

Secondly, when shooting from a lower angle, you can kneel half on the ground and put your elbows on your knees to form a more stable support. At the same time, the upper part of the body should also remain stable.

Finally, if you need to shoot from a lower angle, you can lie down on the ground, support your body with your elbows, and use a camera bag, stones or other similar objects to cushion the camera under it. This can also effectively prevent the camera from falling. jitter.

In addition, pay attention to the essentials of your body when pressing the shutter. If you press the shutter button while breathing, the rise and fall of your chest may be transmitted to the camera. If you use a slower shutter speed at this time, such as 1/30 second, it is likely to cause camera shake. So hold your breath when pressing the shutter. In addition, if there are walls or trees around, you can also lean against the wall with your back or side, which can effectively reduce the vibration of your body.

3. Start with your hands

Improper holding of the camera with both hands is the main cause of camera shake. What is the correct way to hold the camera? Generally speaking, when using a camera, the thumb of your right hand should be placed on the back of the camera (general cameras have a thumb groove on the back, just press your thumb on the thumb groove), and the middle finger, ring finger and little finger should be placed in front of the camera. , place your index finger naturally on the shutter button, place your palm against the right side of the camera body, and then support the body with the outside of your left index finger. When the camera lens is relatively heavy, the posture of the right hand remains unchanged, and the palm side of the left hand should support the lens. In this way, the left and right hands jointly form a stable bracket to prevent camera shake and play a certain shock-proof role.

Since the shapes of various digital cameras are different, the above-mentioned holding method may not be suitable for some digital cameras. With these cameras, it's up to the user to find the right way to hold them. But be sure to hold it with both hands, and be careful not to let your fingers cover the lens, flash or metering window.

4. Use the Selfie or remote control function

When the camera is fixed on a tripod or placed elsewhere such as on the table, if you press the shutter with your finger, the camera may also experience some difficulty. Perceived jitter. At this time, using the Selfie or remote control function can completely avoid the impact of hand or body shake on the camera. This method often has the best results when shooting scenes such as landscapes and macros.

In fact, in normal times, we can also practice shooting with a handheld camera, carefully understand the skills, and master this most commonly used shooting method. However, when shooting on creative or other important occasions and the lighting environment is relatively poor, those who can use a tripod should try not to shoot handheld. After all, no one wants to see their work blurred.