What points should I pay attention to when shooting with SLR? Ask a master for advice

Follow-up shooting: move the camera smoothly along the moving direction of the target, so that the position of the target in the viewfinder is always the same, and press the door while moving. This method can be used to photograph sprinters, riders and drivers in sports. Its effect is that the athletes' images are clear and the background is blurred. The advantage is that the messy background can be avoided from destroying the picture, and the blurred background can set off the quickness of the action. The shutter speed of the following methods is usually115 ~1/60s. If you are not sure, you can take several photos with different shutter speeds for the same target to choose from.

Tracking and focusing: the so-called tracking and focusing is to keep tracking moving objects to focus. Theoretically, this focusing method is the most ideal, but mastering this focusing technology requires a lot of practice and agile response.

Note: the shutter speed should be proportional to the speed of the moving body; It is proportional to the angle of the moving body (the minimum angle is reverse motion, the angle is 0, and the maximum angle is 90 when the lateral motion reaches the vertical orientation); Proportional to the focal length of the lens (the longer the focal length, the faster the shutter speed); It is inversely proportional to the camera distance (the closer the camera distance, the faster the shutter speed should be).

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