Traditional Culture Encyclopedia - Photography major - Does the lens focal length affect the shooting effect?
Does the lens focal length affect the shooting effect?
The focal length will affect the background blur. There are three aspects that affect background blur: focal length, distance between camera and subject, and aperture. Theoretically, the larger the focal length, the greater the blur effect, and the first two of these three items are generally fixed, so you need to adjust the aperture control blur effect according to your shooting intention. It is also important that you choose the lens mainly according to your shooting intention. For example, it is generally believed that the shooting range of 50mm is the visible range of human eyes (one of the standard lens definitions), so less than 50mm is a wide angle, more than 50mm is a telephoto, and more than 200mm is a super telephoto. Of course, there are also special lenses such as macro and axis shifting. So you need to choose the right lens according to your shooting direction, such as choosing a 24-70mm zoom lens or a 50mm pan/tilt to take portraits. Or 85mm (recognized as the focal length with good effect of shooting people) to shoot scenery, which has a wide range of applications. Finally, when choosing a lens, we should not only look at the focal length, but also pay attention to the aperture. If you need to shoot a night scene, you should also pay attention to the number of diaphragm blades (affecting the effect of the canopy) and the lens structure.
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