B+Ellison

[|Brandon Ellison]

Optical Zoom - A [|lens] system that allows the focal length of a camera lens to be varied continuously without altering the [|sharpness] of the image.(source [|FreeDictionary.com]) Optical Zoom is sometimes compared to [|digital zoom] since both lens system zoom in on a specific part of the picture,But in actuality they're both very different from each other. [|(Source: Aipek.com)] Optical Zoom helps photographers zoom in on as certain aspect of a image keeping the image crystal clear to alter it or remove it. See the article [] to learn the difference between Optical zoom and digital zoom you will find someone interesting facts about the differences. That will maybe help you understand Optical zoom.

Optical zoom also helps the photographer chose the focal point of the whole image to sometimes direct the reader's attention to that specific part of the image.While digital zoom is just cropping a certain part of a Image and bringing it closer sometimes blurring the zoomed up portion of the image. Opitcal zoom is not available for any film cameras or single lens reflex. This item is rated in the amount of magnification it can produce.

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