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Below are things you may need to know about projector replacement lamps
Lifespan and Replacement cost
When purchasing a projector, one should pay attention to the costs of a replacement lamp. Lamp life refers to the expected operating lifespan of projectors' lamp, usually stated in hours. The brightness of a projector refers to the amount of light being produced, that light can be produced by a number of different sources.
A bulb, called a lamp, is the most common light source in consumer projectors though there are a few other options. Generally, the lamp life is between 2000 and 4000 hours. Projectors with high lumens will burn out their lamp faster, hence have a relatively lower lamp lifespan. It is also noteworthy to check for the full power (normal) lamp life rating and the eco-mode (low-power) rating projectors show a full-power; normally, the eco-mode rating is usually much higher. Lamps are relatively bright, but not the brightest option.
Laser projectors are far brighter than lamp projectors, there is no need for bulb replacements but are expensive
LED Projectors have bulbs with longer lifespan like up to 20,000 hours of use but the brightness is limited.
Projector Inputs and Outputs Options
Regardless of the type of projector you get, you’ll need a way to connect your computer, phone, speakers, and other devices to it. Ensure that you go for a projector that provides the primary interface(s) that you require. This is because in a scenario where you can’t connect your projector to your input source, converters will be used and can lead to poor signal quality. Also, multiple connectivity options mean more flexibility. There are 2 connection types –analog and digital. The analog interfaces include VGA, S-video, composite video and component video AND the digital connections are HDMI and DVI.
HDMI ports is a high fidelity interface which serves a common input for projectors and TVs these days, which are a super high-quality standard that combines both video and multi-channel audio into one. HDMI ports can also be found on computers, and there are plenty of adapters for connecting a phone to an HDMI port, making it easy to easily connect your devices for playback.
VGA is another common analog connector that has become slightly less common in recent years. Though it is of lower quality and cheaper than HDMI, but it’s still widely used especially to connect PCs and projectors. Most new projectors come with a short VGA cable in the pack.
3.5mm is a connector that’s only used for audio so if you have a set of speakers or a sound system that you want to use with your projector, a 3.5mm connector could come in handy.
Wi-Fi is very popular when it comes to stream content to projectors rather than having to use physical cables. Wi-Fi connections are usually used in conjunction with an app, or sometimes smart projectors simply stream content from the Web.
USB for PC-less Display enables you to make presentations directly from the USB flash drive, digital camera or. Simply plug the flash drive into the USB port of the projector and you can show compatible materials on the drive.
DVI is another common, though slightly less common, port that exists in a few different versions. There’s the digital DVI-D port, the analog DVI-A, and the hybrid DVI-I port that transfers both digital and analog signals. DVI is used on many computers, though not often on laptops.
Composite is a little less common these days, but can still be found on many projectors. Composite splits up a signal into one video connector, which is yellow, and two audio connectors for left and right channels.
DisplayPort is comparable to the HDMI connection. It is used to transmit digital image and audio data. DisplayPort is largely found in advanced projectors. If your input has DisplayPort but no HDMI, you can use a Dual-Mode DisplayPort adapter to connect to HDMI.
WLAN: Projectors which offer the WLAN option, are able to transmit images, text or presentations via WLAN. Due to the often insufficient strength of the signal, the transmission of video may only be partially possible. The exception is some of the latest home cinema projectors. Some projectors are able to transmit via apps (IPad/iPhone) wirelessly.
In addition to conventional WLAN, Miracast, also known as screen-sharing or screen mirroring, is gaining more importance. This technology offers the possibility to create a point-to-point connection from a Miracast-enabled smartphone or tablet to a projector or display. The Miracast standard can be found in systems such as Android (from version 4.2) or Windows (from version 8.1). In contrast to Wi-Fi, the system is capable of transmitting a moving 1080p picture signal in good quality. Miracast is therefore ideal for transferring files from a tablet or smartphone and can be integrated into projectors or external receivers (e.g., HDMI dongles).
However, HDMI has established itself as the standard to transmit HD content. If your source and projector have a digital port, you should always use the digital connection (HDMI) as it provides better image quality. Even if you opt for a smart projector, make sure the projector has at least one HDMI port, just for those situations in which the Wi-Fi is down or too slow to work properly.
They are still more features of a projector that is helpful to its performance, longevity, and flexibility. Depending on the application, there are different features that are useful for specific uses. They include the following:
Optical zoom: This allows for flexibility of the camera eg 2x zoom for greater flexibility in home cinema projectors. This feature is useful if a projector cannot be installed at the optimum distance to the display area
Lens shift: This is the ability to move the image horizontally and vertically without distortion. It is useful if the projector cannot be positioned directly in front of the display area
Keystone correction: This allows you to adjust the image at the top until the trapezoidal distortion is compensated by pressing the keystone buttons. Useful to compensate for a sloping projection and to straighten the image
Our Ultimate Projector Guide is designed to help you learn about the ins and outs of a large range of projectors and also be able to make an informed decision regarding your projector purchase. .
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