LP 435z

The InFocus range covers everything – from small portable projectors, right up to fixed-conference projectors. The LP 435z is in the middle, with both high power and resolution in a relatively lightweight box. It has a brightness of 1,000 lumens – enough to be visible without dimming the lights. The reason InFocus has been able to get this extra power is the DLP, or Digital Light Processor. DLP technology was developed a couple of years ago, as an alternative to LCDs. Instead of projecting through an LCD panel, the image is reflected off a special chip. The DLP chip is covered with thousands of microscopic hinged mirrors. The image is created by bouncing light of the DLP chip, which controls the tiny mirrors on its surface. The light then goes through an RGB colour wheel, and finally the lens. This means that a brighter light-source can be used, plus the size and weight can be kept down. The resolution of the LP 435z is XGA, or 1,024-x-768 pixels – this makes for a much sharper presentation compared to lower resolution VGA models. Controls and connections are important if the machine is going to be lugged around. The Cable Wizard is a simple single-cable that makes it easy to attach the projector to a Mac or PC. Another problem with mobile presentations, is you never know what kind of stage you will be on. Small rooms can be a problem, especially if you need to be 20 feet away from a wall to get a large image. The LP 435z has a zoom capability, making projecting in close-quarters easier.


The LP 435 is not cheap, but if you need to give impressive presentations, it will make the job uncomplicated. It can be back-breaking work lugging a good, bright projector around – but this one appears to be the lightest in its category. If you can afford the price, you and your back won’t regret it.

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