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- Dictionaryfocal/ˈfəʊkl/
adjective
- 1. relating to the centre or most important part: "the focal symbol of sovereignty is the crown"
- 2. relating to the focus of a lens.
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Jun 13, 2024 · In this guide, we’ll explain things such as what depth of field is, what focal length is, and why it’s so important. We’ll walk you through the basics of focal length, aperture, and the distance between your camera and the subject, explaining how each one affects DoF.
Jun 11, 2024 · lens, in optics, piece of glass or other transparent substance that is used to form an image of an object by focusing rays of light from the object.
Jun 20, 2024 · What Are Focus Points? Focus points are what your camera uses to focus. They’re basically little dots that exist all around the frame. If you have a single active focus point in the center of the frame, your camera will focus on the part of the scene in the center of the frame (i.e., the area that sits “under” the focus point).
Jun 11, 2024 · optics, science concerned with the genesis and propagation of light, the changes that it undergoes and produces, and other phenomena closely associated with it. There are two major branches of optics, physical and geometrical. Physical optics deals primarily with the nature and properties of light itself.
4 days ago · Myopia, also known as near-sightedness and short-sightedness, [5] is an eye disease [6] [7] [8] where light from distant objects focuses in front of, instead of on, the retina. [1] [2] [7] As a result, distant objects appear blurry while close objects appear normal. [1] . Other symptoms may include headaches and eye strain.
6 days ago · Focal nodular hyperplasia (FNH) is a regenerative mass lesion of the liver and the second most common benign liver lesion (the most common is a hemangioma ). Many focal nodular hyperplasias have characteristic radiographic features on multimodality imaging, but some lesions may be atypical in appearance.
3 days ago · the "focally" family. in a focal manner.
