Digital Cameras- Some Must-Know Facts

Digital cameras are devices used for still photography as well as video recording. The convenience offered by the gadgets in capturing high quality photographs have made them popular all over the world. According to a latest research, a big increase has been observed in the sales of these gadgets.

There might be many people who are still unaware of some important facts associated with these gadgets. Let us discuss these facts in detail.

Emergence:

The gadgets were introduced in the year 1990 as an alternative to the film cameras. The digital images offer a high level of versatility as compared to the film. Moreover, the gadgets offer the ability of relaying images through the computer network. The digital cameras are capable enough to click different types of images because of the presence of advanced features like resolution, image stabilization, zoom rating, exposure range, etc.

History:

Steven Sasson Engineer of Eastman Kodak Company designed the first digital camera in late 1975. It was popularly known as Sasson's 8 lb. It mainly comprised of a charged couple device for collecting optical data and passed on the information to digital cassette. The camera supported a resolution of only .01 megapixels. After this, Canon, Minolta, Olympus, Nikon, Fuji, etc. started introducing their own digital cameras in the mid-1990’s.  

Zoom feature:

This is an imperative feature supported by these devices. Zoom is defined as the ability of a camera to change focal length. The gadgets contain either an optical zoom, digital zoom or a grouping of both. Gadgets with optical zoom automatically adjust the lens for bringing a subject in focus. Digital zoom usually provides up to a 3 times magnification while an optical zoom produces an image to more than 20 times magnification.

Resolution:

The resolution of a digital camera corresponds with the megapixel ranking. A megapixel rating determines the length of a print generated by the gadget and the flexibility an image towards electronic editing. For example, a four-megapixel camera is capable of producing a resolution of 2,400 x 1,800 pixels which is sufficient for uploading images to the web. On the other hand, devices supporting an eight-megapixel ranking produce images at a resolution of 4,000 x 2,000 pixels which is perfect for professional-quality prints.

These are some of the must-know about these devices. The best medium to buy all digital cameras is online electronic shopping. A number of online electronic stores have emerged providing a gamut of products to customers in this regard.