focal point

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focal point

the point on the axis of a lens or mirror to which parallel rays of light converge or from which they appear to diverge after refraction or reflection

focal point

(focus) See focal length.

focal point

[′fō·kəl ‚pȯint]
(optics)
The point to which rays that are initially parallel to the axis of a lens, mirror, or other optical system are converged or from which they appear to diverge. Also known as principal focus.
References in periodicals archive ?
Border security focal points from Albania, Armenia, Bosnia and Herzegovina, Georgia, Kyrgyzstan, Moldova, Mongolia, Montenegro, North Macedonia, Serbia, Slovakia, Spain, Sweden, Tajikistan and Uzbekistan attended the course.
Each garden flowerbed should also have its own focal point. This can be a tall plant or a specimen with vibrant coloured foliage or flowers such as Canna Tropicanna with its tropical-looking variegated leaves and orange flowers or a large architectural plant like a tree fern.
Addressing the annual ninth meeting of the Global Network of R2P Focal Points in Brussels, Ambassador Dr al-Qahtani said that this integration has been done by addressing the root causes of violence in some countries and societies and by trying to address the local drivers of violence, including violent extremism that could lead to terrorism and atrocities in some countries, as well as through good offices, mediation and preventive diplomacy to prevent and resolve conflicts.
The internal focus or focal point can be utilized by women in labor in different forms.
When planning a composition, I often mentally divide the picture into three components--the focal point, supportive structures, and background.
The problem with each medium is that it automatically removes part of the negotiation on what the focal point is by structuring data in a form that "bewitches" our mind, as Wittgenstein might say.
Students are asked to choose a two-dimensional work of art that has a strong focal point. They are then told they will be re-creating that focal point in three-dimensional form.
Most gardeners would agree that without a focal point a garden is like a ship without a compass - lost upon the sea of conformity.
In comparing Virginia's state standards to the Focal Points, I find many similarities.
They identify those definitive events of danger and opportunity, and the focal points they highlighted.
Today, EMWIS has 20 National Focal Points (NFP), 15 of which have their own websites offering a homogenous access to the available information on water in the countries involved.
Hicks used computer software to "fade to gray," then "painted" the photos' focal points to produce the stunning effect.