Optical Zoom Digital Camera

January 25th, 2009

Optical Zoom Digital Camera

If you are new to photography, to determine what you need power zoomand the differentiation between the different types of zoom can be impressive. A series of new concepts to zoom were recently in the language of the marketing of the manufacturer of the camera, not that any confusion. This article is a little light on the problem and help you make the right decision when buying.

Most mid-price digital cameras have an integrated 3x/4x. These figures refer to the optical and digital zoom. Most cameras have bothoptical and digital zoom, with the exception of a small number ofpeople with low price, the tendency to blur images and pale. A digitalcamera the zoom function is very similar to a camera and does the same,namely the object closer. Anyway, in the cameras of two types of zoom,optical and digital. Optical zoom is the zoom the camera away.

The digital zoom, and zoom through the simulated explosion of aselected part of the picture. It is not to be confused with the editingof photos, based on the applications, after the image is produced.Another misconception of this type of zoom, it is particularly usefulto take photos from afar. That can not be further from the truth.Optical zoom is far more important in a digital camera and should serve as a criterion for the comparison of different models rather than adigital zoom, or a whole.

The quality of a digital camera depends on optical zoom. For moreconfusion, the producers have started using the term “total zoom. Fact,there is no such thing. Everything else he can to the fact that thecamera has two types of zoom functions, digital and optical.Traditionally, such the cameras are 35 mm or APS only the optical zoom.Integrated optical zoom lens with an image closer to the photographer.

Experts with a digital zoom for digital cameras. You do not thinkit is a real zoom cameras, as it to enlarge a portion of the image. Inother words, the culture of the image and expand the rest, resulting ina loss of quality. It works the same way as the options for resizingand cropping photo applications. Another new concept in digitalphotography is the “intelligent zoom. This type of zoom interpolationand thus avoids the quality of the image.

Sometimes people are from a visual comparison of the resolutionwhen buying a digital camera. It makes no sense. The energy of thedigital zoom and resolution are two different things without anyconnection with any of the other. The resolution expresses the numberof pixels in the image, while the optical zoom refers to the power ofthe lens. It has nothing to do with the solution and not to increase ordecrease. Another trend is off the digital zoom the camera. Manyphotographers do not rely on this feature, not the culture and the sizeof the photos themselves on the computer. It is not a very good, because it reduces the efficiency of the camera

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