Traditional Culture Encyclopedia - Photography and portraiture - Who can tell me in detail what is hyperfocal distance in photography? How to apply it in practice?
Who can tell me in detail what is hyperfocal distance in photography? How to apply it in practice?
People often think that the depth of field can be maximized by using a small aperture, using manual focusing and turning the focus ring of the lens to infinity. And so do many people.
But in fact, hyperfocal distance's method can obtain greater depth of field, especially for the nearby scenery. Obviously, the method of focusing on infinity is still not clear enough. However, after using hyperfocal distance's method, the recent focal length is obviously shortened, thus obtaining a larger depth of field.
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The use of hyperfocal distance is actually similar to focusing to infinity.
Also use a small aperture, change the lens dial to manual focus, and then turn the focus ring.
The next thing to pay attention to is, don't aim the infinity mark on the lens at the center line of the scale, but aim the infinity mark at the aperture value you use.
At this time, it can be compared with the alignment center line at infinity. The ratio of the nearest focal length above the lens is obviously closer with hyperfocal distance.
Take my zf2 1 as an example. When focusing at infinity with f 16 aperture, the nearest focusing distance under f 16 aperture is greater than 1 m. When the infinity mark is opposite to f 16, the nearest focusing distance under this aperture is 0.6m ..
The nearest focus distance is nearly half a meter, and the focus of the foreground is basically the same, so the depth of field is greater.
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