Topic: Lenses Physics
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Answers to Common Questions
What is an asymptote on a graph in terms of physics and convex le...
The graphical explanation of infinite limits, it is the place on a graph where the line never touches. Read More »
Source: http://www.chacha.com/question/what-is-an-asymptote-on-a-graph-in...
What physics concept allows lenses to focus or disperse light?
Refraction! A camera lens uses refraction to focus light. Refraction is the bending of a wave when it enters a medium (more?) Read More »
Source: http://www.chacha.com/question/what-physics-concept-allows-lenses...
How to solve this physics problems about lenses?
The focal length is 14 cm regardless of the medium where it is immersed. It's a question of reflection, not refraction Read More »
Source: http://answers.yahoo.com/question/index?qid=20080926165031AAUbpWD
More Common Questions
Answers to Other Common Questions
That has to do with camera lenses is optics, as the first poster mentioned. However, depending on the camera, you may have a couple of other branches involved -- The camera may use an autofocus device. This may be infrared, optical, or ultr...
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Source: http://answers.yahoo.com/question/index?qid=20091231141428AAHXDcX
P = 1/f So you calculate f for both lenses. And then you know that total magnification for a telescope = fo/fe. P1 = 1/f (in meters) P2 = 1/f (in meters) Divide those f's to get a magnification. (Choose the order so that you get the max mag...
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Source: http://answers.yahoo.com/question/index?qid=20100407124704AAC613w
The smaller the f number the larger the maximum lens aperture opening. This lets in more light for better low ligth photography. This helps for fast shutter speeds in overcast conditions- mainly for sports photographers. To achieve the wide...
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Source: http://answers.yahoo.com/question/index?qid=20090812213920AAgQrcj
Those distances seem very exotic for any real sight problem. Unless you have some severe defect in the eye(s), a far-sighted person will have a near-point that is a metre, or a few metres away. Anything beyond, say 30 m, will be in the "inf...
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Source: http://www.experts-exchange.com/Programming/Programming_La...Perl...
The lens will not always be standing vertically, if it is placed horizontally it would be a horizontal magnification. Lateral avoids any confusion.
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Source: http://answers.yahoo.com/question/index?qid=20080927162505AAy71Cv
Regular lenses have a uniform shape to them they can be rotated any way and at any angle and your vision will stay the same. Toric lenses have an elliptical shape in the middle of the lens as they are weighted so that they will always retur...
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Source: http://malaysia.answers.yahoo.com/question/index?qid=200911090249...
Support is vital to me. At enlargements of A4+, camera shake becomes blindingly obvious and no amount of digital sharpening will disguise it. IS (image stabilisation) coupled with a monopod is my walkabout action shot set up, but my bea...
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Source: http://www.bds.org.uk/george_trebinski.html
