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 What is the optical zoom on a camera?

Answer Optical zoom on a camera measures the increase in distance between the lens and the image sensor. The greater the maximum distance between the two, the higher the zoom ability. By zooming in on an ... Read More »
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Top Q&A For: What is the optical zoom on a camera

What is the difference between optical zoom & digital zoom on a camera?

The optical zoom is a true zoom. The lens uses all of the sensor on the camera so the resolution remains the same at any focal length A "digital" zoom really only crops the sensor, thus reducing t... Read More »
http://answers.yahoo.com//question/index?qid=20120829141610AArXGQr

If you were to compare an EFS 18-55mm f3.5-5.6 Zoom Lens to a camera with built in optical zoom what would be the equivalent i.e. 4x 8x 12x etc.?

Is it true that when you zoom in with a digital camera you lose quality, but use optical zoom and you won't?

All digital zoom does is basically crop the image you take, this means you get a greatly reduced megapixel count, which equals a loss in quality, instead of using digital zoom, it's better to take ... Read More »
http://answers.yahoo.com/question/index?qid=20080828160223AAydLH0

What is the difference between Optical Zoom and Digital Zoom for a digital camera?

A optical zoom use the lenses to focus in on a subject, pretty much the same way binoculars work. Digital zoom magnifies the subject by enlarging in in the pic thru a digital process, this is not a... Read More »
http://wiki.answers.com/Q/What_is_the_difference_between_Optical_Zoom_and_Digital_Zoom_...


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