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I have not previously heard this term, but focal is the adjective of the word focus, so I would guess it is a question which focuses directly on the point of the matter.

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16y ago

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Related Questions

How does the focal plane change as you change magnification?

It does not. For an explanation of "focal plane" see the question What is the focal plane?


What is the english translation of the irish sentence cén focal atá i gceist?

"cén focal atá i gceist" means "which word is in question"


What uses a long focal length a short focal length lens and has an inverted image?

a camera? Or an eye? Something like that. Weird question


What is relation between focal length and radius of curvature in lenses?

The Center of curvature is 2 times the focal length. By the way this is a physics question.


What would be the focal ratio of a telescope with a 5 aperture and a focal length of 25?

The focal ratio ( 'f' number ) is the ratio of focal length to diameter. For the numbers given in the question, assuming they're both in the same unit, this telescope is a 25/5 = f/5.


How does the focal plane change as you change the magnification?

It does not. For an explanation of "focal plane" see the question What is the focal plane?


How is camera lens focal length related to zoom or magnification?

The longer the focal length the greater the zoom or magnification. If this was not your question go to the discussion page and elaborate. If you can't find the discussion page elaborate here.


The distance from lens to focal point is called?

The distance from a lens to the focal point is called the focal length.


What is defined as the distance between a lens and its focal point?

focal length of the lens


Use the word length in a sentence?

Focal Point:The distance from the Lens to the Focal Point is called the Focal Point.


What is focal calcifications?

focal calcification


When was Focal Press created?

Focal Press was created in 1938.