Features Of A Digital Camera

Digital camera is an electronic device like a computer, which stores matter in the form of data files. In other words – films are to digital cameras as data files are to computers. To be more exact – films in a digital camera substitute data files. For example, the number of photographs you can take prior to downloading on the computer depends on the memory available, while a typical digital camera has eight megabytes (mb) of memory. This can easily translate into ten to forty photographs. Memory cards can also be bought in removable form, to enhance the storage capacity of digital cameras. The picture quality and type of memory to be purchased depends on the camera one has. It is normally desirable to purchase a camera with one twenty-eight megabytes of memory. This is because; it enables an individual to take many pictures, before having to download them on a computer or elsewhere.

The features of a digital camera go beyond mere mega pixels. Mega pixels are mainly related with the quality of pictures, in terms of sharpness, and details. In fact picture sizes in digital cameras, are measured, by the number of pixels forming an image. This is measured by vertical and horizontal resolutions as in, 1280 multiplied by 960. The resolution has a direct relation with the number of mega pixels. Digital camera manufacturers have chosen to depict mega pixels in five different categories of resolution, namely – one, two, three, four and five.

A flash in a camera is described as the extra light, required to take photographs in poorly lit areas. Digital cameras usually come with built in flashes, ranging from ten to sixteen feet. ‘Red eye reduction and external flash’ are the two products, available in this category. In red eye reduction there are two flash emissions. The first is designed in such a way, that the iris contracts. This is mainly done to inhibit the light emissions, from the second eye. One can claim to add humor, by saying that it is done to give a gentlemanly look to the characters in the photograph. External flashes are actually designed for power. They can also be attached to the camera from outside, for strategic placements. External flashes mostly have automatic options, and are typified as ‘not shoe and Flash sync’.

Digital cameras also come with a rapid fire or continuous shooting mode, which enables an individual to take many photographs in a row. This is called ‘Burst Mode’. Burst mode is wonderful for taking live motion pictures, in an event or a stage show. There is also optical zoom, which has two types of zoom lenses – namely digital and optical. Digital zoom mainly is designed to enlarge the picture without bothering about detail and clarity, whereas optical zoom responds to ones needs in terms of sharpness, and detailing. Picture taking flexibility varies with the size of the lens.

Compression, power source, lens, focus, exposure, LCD screen and self-timer – all come under the category of secondary features in a digital camera. Compression enables a user to shrink file size of photographs. Its JPEG format is ideal for normal use. Digital cameras consume a lot of battery. It is advisable to go for rechargeable batteries like NIMHs for this reason. LCD screens are very useful for editing purposes. Self-Timers allow a photographer to click himself. It is advisable to study all the features of a digital camera from the manual before making the final purchase, which is usually dictated by individual need and choice. Additional manual features are added to digital cameras, for professionals, who do high tech creative work.

Filed Under: Buying A Digital Camera

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