วันศุกร์ที่ 9 ตุลาคม พ.ศ. 2552

Digital Cameras - Choosing the Right One

There are three basic types of digital camera, compact, (SLR-type or "bridge" camera) and DSLR. The type SLR and DSLR cameras look quite similar, although Dslr bigger and heavier. The most obvious difference between them is that you can change the lens on a DSLR. However, there are a lot more to it. The DSLR is fundamentally different and designed to exactly the same way as a high-end film camera work. This makes it veryversatile and the only form of digital camera to cope equally well with any genre of photography.

If your budget is not a DSLR camera then do you have to choose among the different types that will be your kind of photography is best. The choice between compact and SLR cameras is a little more complicated, as both are equally suited to many photographic genres. For many people, the election will come down convenience. Some are simply in front of a camerato be able to slip into your pocket than they have to hang around his neck.

It is certainly the case that compact cameras can produce images at the upper end of the market that are just as good as that of SLR. It is not the quality that separates these two types of camera, but the ease with which you can customize the photographic surveillance of them. Things like exposure compensation or manual focus are usually easy to adapt to external controls on a SLRbut may be too deeply buried in the menus of a compact camera.

Many cameras have a "program modes", for example, landscape, sports (or action) and portrait set up your camera, etc. And this is the best way for this kind of photography. However, it is not the case, if your camera does not then one or other of the two modes it can not make this kind of photography. The only mode of transport that you will actually need to shutter priority and aperture priority. UntilYour camera has both of these, then you can optimize the settings for most photographic situations.

When choosing between the cameras best suited to a particular genre, you have to look a little deeper into the preferred specifications for the best for your type of photography available. There are four groups of numbers that matter. You are on the lens, the ISO number (defined as light-sensitive camera), aperture and shutter speed. These are the numbers thatreally matter when it comes to the right tool for the job.

Portrait Photography

This is the simplest case, because you do not really no special requirements for a camera for this genre. Most portrait photographers use as a narrow depth of field (throwing the background out of focus), this requires a large aperture. The size of the opening is an F-number given, and the lower the number, the larger the aperture. Theoretically, a camera withf the lowest number, but in practice, however, because it is other factors that will influence the depth of field, not worth it, choosing a camera for portraits on the F-number alone. It would be better to have a camera that you choose convenient to use. Imagine using your camera aperture and maximum aperture priority, which will be the lowest F-number.

Landscape Photography

Again, there is very little to choose between the cameras when it comes to their suitabilityfor landscape photography. The overall quality of the image will probably be your biggest concern. Having said that, a wide spectrum zoom (6x or more) is good because it allows you to take a larger number of recordings from the same perspective. A wide-angle lens is very useful in landscape work, but the entire zoom range number is not finding help when comparing cameras, a lens that has the widest. The angle or field of view of a lens is measured by the focal length in millimeters. The smaller theNumber, the greater the lens. Unfortunately you can not always compare this number directly from the cameras. What you need to find is the 35-mm equivalent of the camera's focal length. That is the only number that you can use to make a direct comparison. A large depth of field, what the majority of landscapes, then you use aperture priority mode and set the minimum aperture, which is the largest number f.

Night Shot

One might think that a high maximum ISO number would be useful for the NightPhotography, but it is not special. Much more useful is a long maximum exposure time. Of course, you need a tripod (or other support) for your camera, but a high ISO setting is "noise" to create in your images. You usually get a much better result with a normal ISO setting and a long shutter speed. You should see for the longest shutter speed of at least 30 seconds, the longer the better. Set your camera to shutter priority and use the longest shutter speed youhave.

Close-up (macro) photography

Most digital cameras have a built-labeled in macro facility, usually by a flower symbol. This lets you concentrate on your subject from a few inches. Even without this, you can still macro work by installing a close-up lens. This is easier if the camera's lens has a filter thread. Working this close means that you will obviously have a very shallow depth of field. To these shouldAutomatic timer and set the minimum aperture (largest f number).

Sports or action photography

Only DSLR cameras are ideal for this kind of photography. That's because all the other some shutter lag, so that you can never catch the perfect moment in a rapidly changing situation is safe. Of the other types, a type SLR camera is definitely more practical for this type of work. Look for a camera with a zoom range of the longest and shortest shutter speed Speed. Set your camera to shutter priority, the fastest shutter speed you can move into action and shoot enlarge.

There are a few other types of photography, but they do not have any different requirements for the above mentioned. For example, the stage (or band) work similar requirements for sports photography and architectural photography has is similar to landscape photography. Anyway, enjoy the kind of photography, it's definitely a digital> Camera, which is most suitable. It's just a question of choosing the right tool for the job.



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