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Depth of field in reference to eyeglasses is the preferred reading distance and its smaller surrounding area. This is the distance used for single vision readers.

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Q: What is depth of field in eyeglasses?
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Related questions

What is the depth of field on a microscope?

Depth of field is the depth of the specimen clearly in focus and is greater at lower magnifications.


What happens to the depth of field as the magnification increases?

As the magnification increases, the depth of field decreases.


What is depth of field best demonstrated with?

Depth of field is best demonstrated with a slide containing overlapping threads. The depth of field that would increase is the low power objective.


Is the depth of field on a dissecting microscope less than the depth of field on a compound microscope?

No its actually the opposite


Does the depth of field increase or decrease when one moves to a higher magnification on a microscope?

The depth of field decreases.


What happend to the depth of field if magnification increases?

The higher the magnification the lower the depth of field.


What happens to the depth of field as your move from low power to high power?

Depth of field decreases from low to high. This means what you see under the microscope is blurry. If both objects are not blurry, this means you have high depth-of-field.


What is the difference between maximum depth of field and shallow depth of field on a camera?

Depth of field in photography is 3-dimensional and is measured from the foreground moving along a horizontal plane towards the background. Maximum depth-of-field means most of the scene is in focus and shallow depth-of-field means the minimum is in focus. Shallow depth-of-field lets you lose the background into a nice blur leaving the foreground in focus - good for portrait photography. In landscape photography you would normally choose the maximum depth-of-field so that distant hills were in focus as well as the middle ground and the foreground - in other words, everything in the field of your vision would be sharply focussed.


What are the release dates for Framelines - 2011 Depth of Field 2-5?

Framelines - 2011 Depth of Field 2-5 was released on: USA: 4 April 2014


Does a telephoto lens give less depth of field than a wide angle lens?

Yes, all other things being equal. The longer the focal length the shallower the depth of field. It also depends on the distance from the lens to the subject and the aperture used to create the photo. For a given lens, the depth of field increases as the subject distance increases. For a given distance, depth of field increases as the aperture gets smaller (e.g. F4 less, F8 more depth).


How is pressure in the liquid related to depth?

Water pressure = height (depth) * density of substance * gravitational field strength


What is the antonyms of eyeglasses?

what is the antonym for eyeglasses or glasses