How Telephoto Lenses Work?

Answer

Telephoto lenses work by highlighting specific details about the subjects being photographed. They work best when taking head and shoulder pictures, since they are able to take sharp pictures by cutting off the subject from the background. A telephoto lens can magnify the image, reduce camera shake, and maintain a sharp focus when taking photographs.
Q&A Related to "How Telephoto Lenses Work"
Telephoto lenses often have focal lengths as great as 200 mm to 600 mm long. When the photographer depresses the shutter button, light passes through the lens and onto the negative
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with batterys errr! with batterys errr! with batterys errr! with batterys errr! It's battery for single, or batteries for plural. :
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You can get a telephoto lens for $299 on amazon.com ChaCha
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The idea behind this device (LED embedded contact lenses) is to allow an image to be displayed to the user via the contact lens. This could potentially be used to create a HUD (Heads
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1 Additional Answer
Ask.com Answer for: how telephoto lenses work
How Do Telephoto Lenses Work?
A telephoto lens has a much longer focal length than a standard or wide-angle lens. In other words, the distance between the lens and the negative is much greater. This longer focal length allows telephoto lenses to produce images in which subjects... More »
Difficulty: Easy
Source: www.ehow.com
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