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Choosing a Digital Camera

digital camera features

With Christmas just around the corner its time to think about gifts. Without doubt digital cameras will be a favourite gift item this year with prices at an all time low. But if you are shopping for a digital camera do you know what features to look out for?

You probably already know that a good quality lens is as important in a digital camera as it is in an analogue one. You are probably aware of the importance of megapixels and how a higher number means a sharper picture.

Image stabilisation technology is something to look for. This is how modern digital cameras compensate for wobbly hands and the higher exposure times needed in low indoor light conditions.

Another useful feature is auto face detection with auto focus. Cameras with this capability can recognize facial features and automatically adjust the focus to make the face as sharp as possible. Ideal for anyone who likes a point and click camera.

A good zoom is another feature to look out for. Some cameras use a digital zoom and others use a more conventional optical zoom. Optical is generally much sharper than digital zoom which will simply make the digital image larger and more grainy.

Something else to look at is battery life. I recommend selecting a camera that uses rechargeble batteries.

Look out for additional features like the ability to change lenses, image effects and built in image editing capabilities.

It’s also worth looking at the software applications that come bundled with the package. Most of todays digital cameras come with a suite of applications for the processing of digital images on a computer.

Something extra to consider when buying a new camera is some affordable camera insurance. Small, lightweight modern cameras are easily lost, damaged or even stolen so its worth spending a little money to get yourself a quick replacement if the worst should happen.

In addition you may like to consider gadget insurance to protect valuable portable devices including laptop insurance for valuable laptop computers.

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How are the Nobel Prize, a night vision camcorder and telescopes all alike? We found out this year when the co-inventors of the CCD were awarded the Nobel Prize.

night vision video camera

In the past, those who were awarded the Nobel Prize have usually been more known for research they have been doing research in their fields. But the Nobel Prize originally was set up to reward those who created inventions more so than research. And this year’s award to both men who worked together to invent the CCD returns the prize to inventors once again.

CCD stands for charge-coupled device. This is the inside unit that digital cameras and camcorders use to gather the light from a scene and store it inside in the camera. George E. Smith and Willard S Boyle worked at Bell Labs in 1969 where they did their original research on the technology and made their efforts to incorporate it into an actual working model. After their first attempts, they had a working video camera approximately one year later. This was the first video camera that worked to record an image digitally rather than using film.

Since the time the CCD was invented, it has totally revolutionized all the areas which depend on image capture.

In addition to quick adoption in cameras and camcorders, CCD technology was also incorporated into such items as telescopes and medical imaging devices. It wasn’t long before the CCD was riding on rockets and is used in space probes, spy satellites and astronomical telescopes such as the Hubble Space Telescope. Ground based telescopes also quickly converted to CCDs. Viewing film plates taken in long exposures by telescopes is a thing of the past. Now images are captured electronically and viewed and processed on computers.

The tremendous change in how we record images has been the change we are all most familiar with. Modern digital cameras and camcorders have quickly switched over to using technology that is a direct descendant of the CCD. Digital photography has quickly replaced film with it’s ease of use and matching or better quality.

In addition, other uses such as night vision technology for a camcorder with night vision and the night vision video cameras all use the Nobel prize winner’s technology to collect and amplify the light. Uses such as this were not heard of a few decades ago.

Smith and Boyle’s work in inventing the CCD has truly changed the world in a very short time. Their contribution to technology will be long remembered and applauded. If the granting of the Nobel Prize were to be graded by the actual number of human beings affected by the discovery, the invention of the CCD would assuredly rank near or at the top of the list.

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If you are considering joining the world of professional photography and are looking for a good DSLR camera then you are in the right place. There are cameras that have been designated as entry level DSLR cameras and you would most probably purchase one in this range. After gaining experience on the entry level camera you can then upgrade to the more advanced models.

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You must bear in mind that the more advanced models cost more than the average product. If you look at DSLR cameras within a particular range or category you will notice that their specifications are almost the same. Picking one over another becomes a personal choice rather than anything to do with design.

I will however review two entry level DSLR cameras and you can choose one you like or use the information to compare with other products.

The Canon Rebel T1i and the Canon rebel XSi are the two cameras that I’m referring to. The optical image resolution and creative auto focus features result in some of the best pictures that you’ve ever taken. When it comes to their screens, mega pixel ratings and ISO settings they are basically the same.

The fact that the T1i has both video and still shot mode whilst the XSi has only still shot mode is a notable difference between the two. The XSi does not have creative auto focus mode which you will find in the T1i.

The other differences are considered minor and do not relate to performance. These extra features that the T1i has translate to a high purchase price for basically the same type of camera. Alternatively you could compare with other model entry level cameras, bearing in mind that you can find a no brand DSLR camera that performs just as good as the high brand names. Look up one of these and I am sure you will find more than one camera that you can use:

• Best Place To Buy A Digital Slr
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