Camera Zoom
Optical Zoom Digital Camera: What's the difference?
If you're new to photography, to discover what captures energy and it needs to differentiate between different types of zoom can be very overwhelming. A series of new conditions for the zoom was recently introduced into the language of marketing for the manufacturer of cameras, he added that the confusion. This article aims to shed some more light on the problem and help you to make a good decision to purchase.
Most mid-range Digital Cameras have a lens built 3X/4X. These figures relate to optical and digital zoom. Most cameras have optical zoom and digital, with the exception of some low prices, which have tend to dull and blurry photos. A digital zoom function of the camera is very similar to a film camera does the same, ie bringing the subject closer. However, digital cameras, there are two types of optical and digital. Optical zoom is similar to that of a traditional camera zoom.
Digital zoom, on the contrary, simulates the zooming of the bombing of a selected portion of the image. Do be confused with photo editing, which refers to applications used to modify the image after it has occurred. Another common misconception on this type of zoom is that it is particularly useful for long-distance photos. This can not be further from the truth. The optical zoom is much more important in a digital camera and should be used as a criterion when comparing the different models rather than the total digital zoom.
The quality of a digital camera is more dependent optical zoom. To create even more confusion, manufacturers have begun to use the term "total zoom. In fact, there is no such thing. The best that can be referred to the fact that the camera There are two types of zooms digital and optical. traditional 35 mm cameras or APS was only the optical zoom. The optical Zoom Lens uses an integrated image closer to the photographer.
Professional digital zoom with digital video cameras. Do not think it is a real Camera Digital zoom enlarges a portion only of the image. In other words, the part that crops the image and enhances the other, resulting in a loss of quality. It works the same crop and resize options for photo editing applications. Another new term in photography digital "Smart Zoom. These zoom avoids interpolation and thus maintains the image quality.
Sometimes people compare resolution optical zoom when purchasing a digital camera. This makes no sense. The digital zoom power and resolution are two different things, arm. The resolution expresses the number of image pixels, while the optical zoom refers to the power of the lens. It has nothing to do with the resolution and can not increase or decrease. Another trend is clear zoom digital camera. Many photographers do not rely on this feature and prefer to cut and resize photos on your computer. This is not a very practical and Goo reducing the effectiveness of the camera. About the Author
Alex is a writer about photography techniques for http://reshade.com . Reshade works in the field of online picture processing programs and offers a free online photo resizer web-tool. It’s also possible to purchase a photo resizer application for Windows. Give it a try !
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