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Essay On Chromatic Aberration

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The amount of refraction a light wave experiences is expressed by the difference between the angle of refraction and the angle of incidence. The light wave traveling to the boundary at an angle of incidence of 45 degrees for example will refract towards the normal because the medium it is now travelling through ( water, glass, diamond ) is more optically dense than the first medium ( air ). Below is a diagram of a light wave approaching three boundaries at an angle of 45 degrees. The medium is different in each example, causing different amounts of refraction.

From the three boundaries above the light wave that refracted the most was the air to diamond boundary. We can see this, from the difference between the angle of incidence and the angle of refraction. The difference is greatest in the air to diamond boundary. This large amount of refraction is due to …show more content…

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Chromatic aberration is a problem that occurs in lenses. It is when a lens is not capable of bringing all wavelengths of colour to the same exact focal length or when the different wavelengths of colour are focused at different areas within the focal plane. “Chromatic aberration is caused by lens desperation, with different colours of light travelling at different speeds while traveling through a lens.” https://photographylife.com/what-is-chromatic-aberration The outcome of this is blurred images, and colored edges around images.
The larger the lens the more problems will occur, such as chromatic aberration.
Transmission is when light waves move through a medium without getting absorbed. The quality of transmission of light decreases the thicker the lens, as well as the length if the wavelength. Some of the light the refracts of the lens causing the produced image to be faint.
The larger the objective lens the more expensive they are, and for magnification you need a large lens, so is it cheaper to use a reflector

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