10 Facts about Depth of Field
Facts about Depth of Field will talk about a term used in optics. This term also applies in photography and films. The depth of field is often called as DOF for the shortened name. It is used to define the effective focus range or focus range. In a scene, DOF is called as the distance of the closest and farthest objects which appear sharp in an image.
Facts about Depth of Field 1: the sharpness
If you apply DOF, the unsharpness of an image will be decreased. In many normal cases, the gradual changes on the sharpness are spotted on each side of the focused distance. If you use DOF, the unsharpness will be less noticeable.
Facts about Depth of Field 2: a large DOF
The large DOF is needed if you want to produce sharp look on the entire image.
Facts about Depth of Field 3: a small DOF
If you think that a small DOF is not favorable, you are wrong. In some cases, people want to de-emphasize the background and foreground. Therefore, the small DOF is applied for it will focus more on the subject.
Facts about Depth of Field 4: cinematography
The shallow focus is a term used to call a small DOF in cinematography. On the other hand, deep focus is used to call a large DOF.
Facts about Depth of Field 5: precise focus
The point of image will be produced by a point of object if you employ precise focus. Therefore, the blue spot can be found around the point of an image.
Facts about Depth of Field 6: Nokia
The DOF control was applied in the high-end smartphones of Nokia in 2013. The feature was called Refocus. After the picture is captured, the users can change the depth of field of the picture. This feature is perfect for taking picture with distant objects and close-up image.
Facts about Depth of Field 7: knob and dial
The usage of knob or dial is employed in some cameras. Normally the depth of field is employed on the lens barrel. Check facts about a laser cutter here.
Facts about Depth of Field 8: the examples of camera with focusing knob or dial
The focusing dial of DOF can be seen on the subminiature camera Tessina. The focusing knob was seen on Rolleiflex TLR.
Facts about Depth of Field 9: taking pictures of landscape
If you are interested to take a beautiful landscape picture, it is better to apply the large DOF. Get facts about deep web here.
Facts about Depth of Field 10: films and small DOF
The small DOF can be applied when you want to create a focus on an object. It is usually employed on the horror and melodrama movies.
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