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The History of Photography Digital Camera

The term camera comes from camera, which in Latin means 'room' or 'camera'. The original camera obscura was a room whose only light source was a tiny hole in a wall. The light coming in through that hole she projected an image of the exterior on the opposite wall. Although the picture thus formed was inverted and blurred, the artists used this technique, long before film was invented, to sketch scenes projected by the camera. Over the centuries the camera obscura evolved and became a handy little box, and the hole was installed an optical lens to get a more clear and definite.

The light sensitivity of certain silver compounds, particularly nitrate and silver chloride was known before the British scientists Thomas Wedgwood and Humphry Davy began their experiments in the late eighteenth century for photographic images. Succeeded in producing images of paintings, silhouettes of leaves and human profiles using paper coated with silver chloride. These photographs were not permanent because after exposing to light, the entire surface of the blackened paper. (Continued)

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basic care Digital Camera. The best resource for the care of the camera and the best safety tip is the user manual that came with your digital camera .

• Digital Camera Store in a cool, dry place away windows, furnaces and dust contamination.
• Never open the camera cover or try to repair it yourself. Touching the inside of the digital camera can cause electrical shock. Contact an authorized service center for repairs.
• Keep all components together in a padded case with a good belt to facilitate transportation and also having built-in pockets for batteries and memory cards.
• Use lens caps when you're not using the camera. Porta
• some cleaning supplies for both your camera to the lens.
• you always keep the camera equipment and laptop accessory when travel.
• never carry on luggage, because the hard handling and extreme weather can cause damage. Protect it
climate
• The main rule is to keep your camera not too hot or too cold.
• is important to keep the camera close to your body during cold weather, because the sudden temperature changes can cause enough condensation to cause damage. (If condensation occurs, remove the battery and let the battery cover open for several hours.)
• If moisture seeps into the camera, turn it off immediately. Remove the batteries and memory card and camera dried outdoors for 24 hours before starting again. Maintenance

your Digital Camera

The chamber cleaning not only maintains but also improves the quality of the photos. It is especially important to take care of lenses, dust particles may appear as dots on the photos. Follows these steps to safely clean your camera:

1. Clean the entire surface of the camera using a clean, dry cloth. About
2. camera lens and LCD screen using compressed air (or simply blow gently) to remove dust.
3. lenses and LCD treat with a clean, soft, rags or cloth specifically designed for lenses. Make sure the cloth has not been chemically treated, which can cause scratches.
4. cameras in shops that specialize in photography and generally you will find everything you need to keep your equipment in excellent condition.

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Care Choosing Your House. Privacy and

"People think that if you buy a better camera will take better pictures, but a better camera is not going to do anything for you if you have something on your mind or your heart."

Arnold Newman.

Choosing Your Camera Digital is not essential "super camera" to achieve "big picture" and we learned all when there was still need a darkroom to enjoy our visual talents. The machine can help, but that does not become better creators. What you see is always your choice, it is you who decides when to fire, you who decides what to do with light, shadows, etc.

Digital cameras have evolved from fully automatic to a mix of uses between manual and assisted, allowing greater range of control over issues such as: optics, lighting, focus, etc.

Resolution:

The image quality in resolution is essential to meet our goal of capturing images, especially when it comes to the best definition and fine detail of the same. In each of the elementary squares represent an image pixel are called and you get higher quality the more pixels can be distinguished as it could get higher resolution. It is best to ask what is the use we give to our camera. For professional work a minimum of 2.3 megapixels (mp) and 3.3, 4 or 5 mp or more for those higher-resolution photos as advertisements or images that require large quantities of highly detailed and can be expanded without sacrificing definition.

viewer:

found two display options in digital cameras: optical viewfinder or LCD screen liquid. The most complete support to have better results because they have both devices to use the eye level. The optical viewfinder, similar to traditional cameras have the advantage of not affect the battery consumption of the camera, but in many cases this type of coverage errors viewfinder has parallax or which is an effect generated by the gap optical between what is seen through the viewfinder and what really catches the camera lens. The liquid screen viewfinder or LCD, so lets see after the shooting, some models can also review and manipulate the image or just delete it. A negative feature is that it records a bad view when we are in sunlight conditions.

Shooting:

An important factor is the speed of the shot and the recovery time between takes.

Other recommendations to help you choose your first digital camera:

you buy a camera with no additional devices that you will not use.

must have control buttons for easy use: menu for easy viewing settings that allow us to easily operate the various shooting and playback modes, etc. Check

have USB connection for quick and direct download images to your computer.

Because the batteries are discharged quickly, it is wise to purchase a couple of sets of rechargeable batteries and a good charger unless your camera comes with them or use lithium-ion batteries that are more energy capacity and low weight.

Care buy a machine with outdated technology.

digital cameras should come with printed instructions.

According to the use we want to choose a camera that has input and output devices for different types of devices: TV monitors, printers, VCRs, SCSI ports, so you count on several options to display and manipulate your