Monday, April 18, 2011

Introduction to Digital Photography




With the acceptable image quality and other advantages of digital photography the majority of professional news photographers began capturing their images with digital cameras. Digital photography has also been adopted by many amateur snapshot photographers, who take advantage of the ease form when sending images by email, putting them on the World Wide Web, or displaying them in digital picture frame.

Also, one of the great advantages of digital photography is instant drawing review, without waiting for film to be developed: if there is a problem with the picture, the photographer can immediately fix the problem and take another picture (up to hundreds of photos on the same media device).

Other formats that may be encountered is RAW, which contain unprocessed image data directly from camera image sensors. Compact digital cameras usually include zoom lens and flashes that can not be changed, but digital single-lens reflex camera (digital SLR or DSLR), operates on the principles of optics and mechanics are the same as the film single-lens reflex cameras, and offers the possibility to lens changes. Recent manufacturers such as Nikon and Canon have promoted the adoption of digital single-lens reflex camera (DSLR) by photojournalists. The lens in digital photography can Telephoto lenses, Wide-angle lenss or lenss Normal, used for landscapes, portraits and close-ups (macro). Digital anti-shake tools (also called the Image Stabilisation) allows for sharper handheld shots where previously a tripod is necessary. Digital SRLs work well with RAW images contain unprocessed image data directly from camera image sensors.

From Canon, a good compact camera Powershot A series, such as A520, A700 A620, and others, the main difference between them becomes their megapixel image resolution and optical zoom. Canon PowerShot S3 IS is a type of camera that moves a step forward from compact to DSLR. The dSRLs and SLR, the Canon comes with a Rebel: Digital Rebel XT, Canon EOS 200D, and Canon EOS 30D. Nikon is considered as good as Canon but sometimes it is cheaper: Nikon D40, Nikon D200, and Nikon D70. Other popular camera is the Olympus E-330, Fuji Finepix S9100, Fujifilm FinePix E900, Sony Cybershot DSC-W100, the HP Photosmart R967 and many others a lot.

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