Today, people spend cameras, digital models. The obvious reasons, lightness, are framed by objects and pictures are recorded, stored and displayed. To make matters can be downloaded from the comforts of home and print images. However, if you buy one for the first time, chances are they have lost literally present the features and functions through the many brands out there on the market. They range from mega-pixels or through the manufacturer or by price range, or …. Well, there are many other possible classifications. The following guide is prepared with the intention to assist you in a practical model of your choice. Various FeaturesWeight This factor, much depends on the use of a digital camera. They want you to carry in your pocket or your bag, go for the lighter. Without doubt, they are comfortable, but they have tiny buttons, controls and scales, which can make handling a bit difficult. The older, heavier and have more features. Resolution The cameras are arranged as a mega-pixel resolution. It restricts the range of cameras and can help you with basic, intermediate and advanced groups. The range is 0 to 18 1 mega pixels mega pixels and a little more. The key to choosing the right pixel camera depends on how far you want to reach the goal. 2 megapixels and you get a little less strong images, and enough detail for prints 8×10 and smaller. The drawings are not very good, but decent enough to publish on e-mails and Web sites. These cameras are inexpensive. Because 6.2 million pixels ensures the increase in this area, the image quality is better than one. You get sharp images at all prices will rise. For example, Canon PowerShot S3, Fuji FinePix V10 etc. http://www. reviewgist. com / digital camera reviews? Resolution = 0. 1-to-5. 16 mega pixels or more, more is not always good. Remember, more megapixels means that the size of larger, expensive memory cards, and take more space on the hard drive of your computer. Example. Canon PowerShot Pro1 Canon PowerShot S80, etc. http://www. reviewgist. com / digital camera reviews? Resolution = 6 37-to-8. 32ZoomOptical zoom image of the objective lens is 3x, 4x, 10x and enlarged but keep in mind that are very sensitive to long-zoom camera shake. Used to cover a tripod to solve this problem. A 3x optical zoom means that they can appear three times a subject so close. A zoom lens provides optimum image quality. You can not too close to the object, but a photo editing software can help you crop your image. It gives better results than using the digital zoom. Digital zoom is an optical zoom of simulation, it only adds to the central part of the image. The objective in this case is not used. The effect of digital zoom is provided by the software inside. The result is usually a blurred image and digitized. You can zoom in cameras, the two effects that they provide both functions. Lens A dirty lens can ruin everything in a higher resolution and controls image processing. So before buying a judge the final image on a computer based on these criteria: Check the lens of the overall direction and focus, if the corners are as sharp as in the middle Check for flaring, ie, the circles of color and reflections when shooting towards the light source verify that the offer lens attachments, you can add wide-angle or telephoto attachments, to extend the zoom range whether manual and electronic zoom control, manual zoom offers more speed and flexibilityMemory Unlike cameras, digital cameras record images in memory. So, whenever the memory is full, you can download it and the device is ready to shoot again. The memory is of two main types: Installation and removable. Most low-end devices have onboard memory. removable memory cards have the advantage of the evolution of memory, particularly useful if you have many images in one trip. Flash Types It all started with photographers turn a tray filled with gunpowder, to illuminate the scene. Today, digital cameras with built-in flash automatically associated with a sophisticated light metering and exposure controls come. They should serve as simple and convenient too often we do not notice. Digital cameras are a guide number, which is essentially the power of the flash specified. Over the guide number, the more useful range of Flash. changes in the evolution of the speed sensor and / or the focal length of the lens, the guide number. Thus, producers are instead of the maximum flash range with the hypothesis that is fully loaded and the opening is wide open flash. Some common modes: Auto mode is known! Cameras with autofocus mode first fire broke out briefly on the issue of the Iris, then close the main flash, and finally the picture is taken. Fill-in flash modes to fill the shadows. Flash off mode to be in natural light. Night mode allows the foreground subject, without sub-background exposure. For maximum flexibility of Flash, you select a camera with an external flash shoe. Some models come only with external flash. Some varieties have both external and built-in flash units. Some models Compact digital camera with flash units are derived. Focus Type Most digital cameras have a focus on the combination of different transport modes. In automatic mode, when you press the shutter down, the focus is locked. It is also confirmed by changing the color of the focus indicator. The autofocus is achieved in different ways. The most common of these is how one area of discussion. Emphasis is placed on the central part of the image you see on the screen. The mode of development, emphasis is placed exactly on the center of the screen. For shooting slow-moving subjects, you can use a continuous autofocus. Be aware of the high energy consumption in this mode. Manual Focus: This feature allows you to manually on the part of a scene that can not, or to concentrate in the middle of the screen. Select the range by using one of the indicators that aim to achieve by Domain Brokerage cursor on a button for close-ups and macro shots. Some models have the ring switch focus to manual focus, he focuses on a topic. This function is the fixed point to your advantage when predetermined distance between the camera and the object are used. Different combinations of the main types are: Autofocus and manual focus autofocus and fixed focus Auto, manual and type of fixed camera focus standard models and cameras point shoot, aim and shoot with basic functions for those with advanced features and options and excellent macro capabilities. The flexibility with which these devices can be used in situations where it is difficult to frame the subject or shooting at the waist makes these models very popular. It is a quiet performer ideal for shooting in places where a closure valve box is not appropriate. SLR/Professional- Other interesting features such as interchangeable lenses, flashes, sophisticated controls and other accessories, these models specifically for photographers and professionals. Example. Nikon D40, Nikon D40x, etc. http://www. reviewgist. com / digital camera comments? SLR cameraType =% 2FProfessional Features Compact are moderate, but small enough to fit in the size of your bag before leaving for the party. These models are priced relatively higher than the cameras of the same star standard size. Example. Canon PowerShot SD800 Kodak EasyShare V550 etc. http://www. reviewgist. com / digital camera notes? cameraType = Compact Ultra-compact with technology improving at a rapid pace of camera size is becoming smaller and smaller. Cameras on the size of credit cards, a little thicker meeting great pictures. No compromise on features such as LCD screens (as small as 2 inches), optical viewfinder, a good resolution (about 7 megapixels same) and good battery life too. Example. Casio Exilim EX-S500, Samsung NV3, etc. http://www. reviewgist. com / digital camera reviews? cameraType = Ultra-Compact Battery There are two types: rechargeable batteries and disposable. From digital cameras consume power very quickly, especially whether you have an LCD, it is in the best of the rechargeable batteries to invest. Some digital cameras come with an AC adapter, if you do not, buy one separately. Some batteries are: NiMH batteries are the most requested for today. They are rechargeable, long, and are available in different models and not compact memory problems. Alkaline batteries are not rechargeable and do not remain long. The lithium-ion batteries are small and fast charging. NiCad batteries not charged if we can correct memory loss. AC adapter allows you keep shooting long after your batteries are empty! Price Fortunately, you do not need to emit large quantities of its own. Narrowband Even a few hundred dollars you can get a very good camera and video capabilities and zoom Nice. And they are not under the normal models of the past. Example. Nikon COOLPIX S5, Canon PowerShot G7, etc. http://www. reviewgist. com / digital camera reviews? Price = 0. 01-to-237. 49Mid area Many more features but I have more megapixels and more powerful lenses in this range of cameras. Example. Nikon D80, Nikon D200, etc. http://www. reviewgist. com / digital camera reviews? Price = 49 to the 237th-599th Area 84High This covers everything from cameras to produce the most professional rendering capabilities with excellent image and excellent photos. Example. Nikon D2Xs, Canon EOS-1D Mark III body only, etc. http://www. reviewgist. com / digital camera reviews? Price = 12 1437th to 7999th 99