Sunday, January 8, 2012

LCD Projector Lamps

!±8± LCD Projector Lamps

One of the few LCD projector parts that can be replaced is the projector lamp. LCD projector lamps vary by model, so selection usually depends on the manufacturing company and types such as Incandescent, Compact Fluorescent, Halogen, and HID such as Metal halide and Low/High Pressure Sodium, 3M Projector, Full Spectrum, and Ballasts, to name a few.

The total lamp life is the expected operating time of the projector lamp, which is expressed in terms of hours. Most LCD projectors use a metal halide source with a lamp life of 750 to 4,000 hours or more. Lamp life is not a very useful measurement, since they gradually grow dimmer without burning out and will continue to function even if they are too dim to be considered usable. So the term "peak lamp life" - the time the lamp will last at eighty to ninety percent of total brightness - is commonly used by manufacturers.

In contrast to metal halide lamps that burn with a very white light, halogen lamps burn with a yellowish light, at a steady rate, and have a consistent brightness throughout lamp life; but they only last approximately seventy hours per bulb. Therefore, they are also less expensive.

LCD projector lamps last the longest when the LCD projector is operated in "economy mode," frequently powered down for cool-down periods, and operated in a clean, fairly dust-free environment. Projectors that are subjected to constant use have the highest probability of lamp failure before the end of the rated hours.

LCD Projector Lamps

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Thursday, January 5, 2012

3M 1800 Series Projector'. There are 7 projectors in the 1800 series (1800, 1810, 1825, 1830, 1865, 1880, 1895M)

!±8± 3M 1800 Series Projector'. There are 7 projectors in the 1800 series (1800, 1810, 1825, 1830, 1865, 1880, 1895M)

Brand : 3M | Rate :

| Price : $361.99
Post Date : Jan 05, 2012 06:57:31 | Usually ships in 24 hours

3M 1800 Series Projector'. There are 7 projectors in the 1800 series (1800, 1810, 1825, 1830, 1865, 1880, 1895M)

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Sunday, January 1, 2012

Portable Projector Review - Samsung P400 DLP Lumen Pocket Ultra Portable Projector

!±8± Portable Projector Review - Samsung P400 DLP Lumen Pocket Ultra Portable Projector

Very small and light weight. Sleek and sophisticated design. Has the great shiny look of most Samsung products. Smaller than the size of your outsteched palm. Weighs less than 2 pounds (Under 1kg's) 150 ANSI Lumens and LED powered. This works really well with the lights turned off. But in a very light sunfilled room will struggle to project a clear picture and the image fades out a little bit.

The main weak point of any projector has to be the bulb. They usually last only a few thousand hours and are very expensive and tend to give up the ghost right in the middle of a film or presentation. But this is not the case with the Samsung P400 as they use a bright LED which is long lasting and has a bulb life of 30,000 hours. It has 2 built in speakers cutting the need to transport speaker systems around to use this projector. It has 800 by 600 resolution and has a 1000:1 Contrast ratio. And 4:3 aspect ratio. The P400 DLP also comes with a handy remote control to operate it.

This projector can be hooked up to operate with a dvd player, computer, xbox, ps3, cable box or any other gaming or multi media system. Please note that Blu Ray connectivity is out as it does not have an HDMI connection for blu ray.

This is ideal for the travelling salesman or to do presentations on the fly. If you have been on holiday or want to show that special wedding or christening video to your friends and relatives easily this would be the ideal choice due to its light weight design and flexibility of use.

At the back of the unit it has a composite input for video and audio inputs. It also has a VGA input that connects to the pc or laptop and a head phone jack input. So you can watch whatever you want with this projector and not disturb anybody else.

Not the most powerful projector but ultra portable. This is much better than most projectors in its class and price range. The brightness of the projector will pleasantly surprise you.

Here are few customer reviews of the Samsung P400 DLP Lumen Pocket Ultraportable Projector;

Very good resolution. Watching movie on plain white wall is just like theatre.... Manish Pandit

Amazing! Small, easy to carry, easy to operate.. Very efficient in a dark room.... Z. Karkar

I use the P400 DLP with a Macbook to show digital images to groups of 12 - 50 people. Images show up fine if room light are dim.... Robert D. Potter