Saturday, October 29, 2011

Low Price Projectors

!±8± Low Price Projectors

A projector is one of the most indispensable electronics used in any office nowadays. it is that gadget that most of the time you see hanging via a thick cable of some sort from the ceiling right in the middle of most of the conference rooms. We all know what it is used for- basically for viewing presentations and other videos on a much larger area like a wall or screen rather than just on your small computer screen. A projector is the device that enables large number of people to view the same thing at one time by a projecting a larger image on the screen.

Quite simply, a photographic slide, or a film of any kind is projected in an enlarged image size through this device on any wall or screen opposite to it. This is the device that helps you watch movies on large screen in cinema halls. However today there are many types f projectors available for both home and office use. The main types of these projectors can be classified into LCD projectors, video projectors and DLP projectors. Though these projectors range in resolution and brightness, a standard projector has the resolution of 800x600 pixels and the ideal brightness for it should be around 1400 lumens. With the advent of domestic projectors, it has become easier to install one at home and get a full movie theatre like experience right in the comfort and personalized setting of your home.

While the LCD projectors used an LCD panel for displaying the primary colors, the DLP projectors (or the Digital Light Processing projectors) introduce path breaking technology in the world of projectors and make viewing a more pleasurable experience. These projectors are the new and latest in projector technology and give a better contrast, sharpness and quality to the picture. At the same time the DLP projectors are light weight thus being easy to carry around and give a much better picture than others.

In the modern age of wireless connectivity where wires are becoming more and more of a hassle, projectors are an important device that needed to really get rid of them. As projectors need to be placed opposite to the screen and also at a certain distance from it, it is more convenient to have a wireless device. Keeping that in mind today many companies have launched wireless projectors that can even be connected wirelessly to the internet and also have great features like zoom lens, digital timer, auto turn off, several picture modes for enhanced viewing and even safety features like password protected operation etc.

The major companies that are offering Projectors in India are Sony, Epson, Acer, BenQ, Sharp, Canon etc. All the brands have models offering competitive features and reasonable prices. The price for a projector can range anywhere from Rs30,000 to Rs2,00,000. You obviously need to see what all features you need from your projector and depending on that you can choose one that suits your requirement the best.


Low Price Projectors

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Monday, October 24, 2011

LCD Monitors - Features to Consider

!±8± LCD Monitors - Features to Consider

A positive trend in the computer market is the declining prices of the Liquid Crystal Display Monitors. There was a time when the LCD monitors were used only in the portable computers. They were considered expensive and invariably used in the sophisticated units like notebooks. Now that the high quality product is offered at lower rates and that too with special features by prominent manufacturers, it has become affordable to even low end users. Many of the latest introductions in the market are with DVI and HDMI inputs. They are light weight and sleek. Further the LCD monitors consume less power than the CRT counterparts.

LCD monitors are available in different sizes from 19 inches to 24 inches and also wide screen category for gaming. 19 inches flat panel displays are also available for basic users. The shoppers should know that the screen dimensions mentioned in the case of LCD monitors are the actual size (diagonal). It will be difficult for the ordinary computer user, who is not very much conversant with the technical jargon to understand the significance of the various standards and dimensions mentioned in the product information brochures. It is therefore better to consult friends or reliable dealers before buying a LCD monitor.

Apart from screen dimension and aspect ratio, there are other factors like Native Resolution, Contrast Ratio, Viewing angles and Response time which are important while choosing LCD monitor. To put it vaguely, Aspect Ratio represents the vertical and horizontal measurement. It will be similar to television screen and in most cases will have 4:3 ratios. The LCD screens display only in a single resolution technically called Native Resolution. Actually it is the number of horizontal and vertical pixels that constitutes LCD matrix. Contrast ratio is an indicator of the differences in the density of light and dark presentations on the screen. Viewing angle represents the preferred position of the viewer. Generally 180 degree is the most ideal viewing angle, but at least 160 degrees will be comfortable. Another factor is the Response time which is the time taken for images to appear through the crystals.

If the consumer is contemplating on replacing the existing monitor with the LCD, it is essential to verify whether it is compatible with the system. The type of connector makes the difference, which is to be ascertained. Make sure whether the connector can be used with the existing video card. Alternatively find out what type of connector will be suitable for the video card.

The consumer can obtain valuable information from the internet in this regard. However it is better to visit a computer dealer and personally verify the various factors mentioned above. A reliable dealer will be able to guide the customer with necessary information. It is needless to state that LCD monitor is an expensive component of the computer and therefore it is necessary to exercise caution. The credibility of the dealer, return policy, discount offers, warranty and above all after sale service are to be considered before finalizing the purchase.


LCD Monitors - Features to Consider

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