The Facts Behind Genuine Sony Projector Lamps - 0 views
started by Winfield Dalrymple on 13 May 12
started by Winfield Dalrymple on 13 May 12
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started by Winfield Dalrymple on 13 May 12
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There is much more to a projector lamp than meets the eye; it is certainly just not a simple bulb. Sony projector lamps for instance are incredibly bright, and only achieve this brightness with a complex chemical and electro-mechanical system, housed in a sealed module.
The lighting unit are precision-made components that want specialised equipment and serious, skilled human input. It stands to reason therefore there are few manufacturers in the world with the necessary specialist equipment to develop them.
Almost the entire package makes the lamp probably the costliest part involving any projector; thus it follows that they are expensive to replace.
How Sony's projector lighting unit work
Not long ago, projectors implemented halogen lamps, which gave the lowest intensity yellow light together with burned out quickly. As digital technology arrived, so did the new generation of powerful sheet metal halide lamps. This powerful light (Sony's projector lamps average 1000 lumen or more) is necessary to help activate the LCD or DLP panel that then produces the superior images modern projectors are known for.
Sony projector lamps operate by sending an electrical current across an ultra-high pressure ARC tube containing mercury vapour. The tube responds by generating a wonderful amount of heat - hot enough to vaporise your mercury vapour, which then responds by generating some sort of bright light (and plasma) onto your LCD screen.
ARC lamps contain various gases; Sony projector lamps contain mercury vapour as this produces you'll need stamina, white light ideal for image projection.
The pros and cons of Sony projection lighting unit
Metal halide lamps produce a remarkably high light output for their size, making them ideal for use in compact, modern Sony projectors. Although they're just expensive, they typically last for 2000 hours or higher - much longer in comparison to the old halogen bulbs.
The downside of this can be the amount of heat they produce - a cause of early burnout - and the safety aspect. Sony projector lamps need special fixtures to enable soft operation. They are a "point" light origin, so need auxiliary ingredients, such as quartz reflectors, to focus the light where it's needed.
Why genuine projector lamps from Sony cost what they do
Replacing a worn-out projector lamp is all about more than just some sort of bulb. Mercury vapour is hazardous, especially when it can be igniting under pressure. Consequently, the bulb has some sort of thick glass lens in front to protect the user should the bulb explode.
Sony projector lamps are linked to auxiliary systems, which regulate the electrical discharge grades during start-up and process. During assembly it is really important the bulb is aligned correctly along with the reflector and this must be remembered when it is replaced so the projectors are made to make this process very simple.
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