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 ?
The decision to notify the Swiss IHR national focal point was made after considering the severity of rabies virus infections in exposed persons, despite the lack of identifiable information available.
"We're excited to formally begin this partnership with Focal Point. Demand for effective GDPR solutions continues to grow, and Focal Point's reputation for GDPR leadership is second to none.
For some women the internal focal point may turn toward the spiritual.
Subtle structures in the image have importance, too, but they play a supportive role in directing the viewer's journey to the natural focal point by way of visual or directional cues.
In conversation, people are always negotiating the focal point. As a particular focal point emerges, so people play a particular "language-game." When that language-game is done, people start a new negotiating metagame, choose a new focal point, and play a new language-game.
"The entrance will be relocated adjacent to the reception office and an external entrance canopy with flank wall is to be provided to make a focal point of the school's main entrance."
Calls for a focal point to remain after the pier is knocked down Philip Andrews Another nail in the coffin of Colwyn Bay.....Never mind a focal point, the focal point is already there......RENOVATE THE THING.....Another joke is this Bistro that is supposedly opening in Porth Eirias.
The other P500 will come from the City Gender Equality Focal Point Fund.
It was very disappointing to see an inukshuk as the focal point for both the opening and closing eucharist services during Joint Assembly in Ottawa.
Bob the Builder and reindeer were included in the script, yet there was no focal point or even a "celebrity" to push the button.
"It's been a great focal point for tenants and we've received a huge amount of interest.
Expert tip: If neighbouring houses overlook the property and spoil the view, compromising your privacy, introduce tall planting or screens along the vista to prevent your eyes straying away from the focal point.