Focus vs Sunglass - What's the difference?
focus | sunglass |
(countable, optics) A point at which reflected or refracted rays of light converge.
(countable, geometry) A point of a conic at which rays reflected from a curve or surface converge.
(uncountable, photography, cinematography) The fact of the convergence of light on the photographic medium.
* {{quote-magazine, year=2013, month=July-August, author=
, magazine=(American Scientist), title= (uncountable, photography, cinematography) The quality of the convergence of light on the photographic medium.
(uncountable) Concentration of attention.
(countable, seismology) The exact point of where an earthquake occurs, in three dimensions.
(computing, graphical user interface) The indicator of the currently active element in a user interface.
(linguistics) The most important word or phrase in a sentence or passage, or the one that imparts information.
To cause (rays of light, etc) to converge at a single point.
To adjust (a lens, an optical instrument) in order to position an image with respect to the focal plane.
To concentrate one's attention.
To concentrate one’s attention.
Singular form of sunglasses; used chiefly in compounds
* {{quote-news, 2009, January 8, Mike Albo, Of-the-Moment, Yet So Five Months Ago, New York Times
, passage=They trekked through Europe, discovering designers like Melinda Gloss and the Italian sunglass manufacturer LGR, with whom they secured exclusive United States representation. }}
(archaic) A convex lens of glass for producing heat by converging the sun's rays into a focus.
As nouns the difference between focus and sunglass
is that focus is (countable|optics) a point at which reflected or refracted rays of light converge while sunglass is singular form of sunglasses; used chiefly in compounds.As a verb focus
is to cause (rays of light, etc) to converge at a single point.focus
English
(wikipedia focus)Noun
Catherine Clabby
Focus on Everything, passage=Not long ago, it was difficult to produce photographs of tiny creatures with every part in focus'.
Verb
- You'll need to focus the microscope carefully in order to capture the full detail of this surface.
- Focus on passing the test.
- If you're going to beat your competitors, you need to focus .
Usage notes
The spellings focusses'', ''focussing'', ''focussed'' are more common in Commonwealth English than in American English, but in both varieties they are less common than the spellings ''focuses'', ''focusing'', ''focused .Derived terms
* focus group * in focus * out of focussunglass
English
Noun
(head)- a sunglass holder
citation
- Lighting a cigar with a sunglass — Hawthorne.