The often replaced product in projector is bulb. Replacing the lamp or projector bulb is really easy. The actual problem lies in selection of projector bulb. The following information may help you to select proper bulb.First and foremost, determine what type of projector bulbs your projector requires. You may be able to purchase either Halogen or Metal Halide bulbs, depending on the type of projector you have.

The two main bulb types for LCD based equipment are Halogen and Metal Halide. The main differences between these two bulb types are:

• Halogen bulbs are more inexpensive than Metal Halide bulbs. Halogen bulbs typically cost about $75 (perfect for gifts), whereas Metal Halide bulbs can cost as much as $300

• Halogen bulbs differ from Metal Halide bulbs in lighting effects, Halogen bulbs display a yellowish tint on displayed images, whereas Metal Halide bulbs display a white tint to displayed images.

• Halogen bulbs are more affordable than Metal Halide bulbs. Halogen bulbs typically cost about $75 (perfect for gifts), whereas Metal Halide bulbs can cost as much as $300.

• Halogen bulbs differ from Metal Halide bulbs in lighting effects, Halogen bulbs display a yellowish tint on displayed images, whereas Metal Halide bulbs display a white tint to displayed images.

• Metal Halide bulbs will fade before burning out, but Halogen bulbs will completely burn out when the end of their useful life has been reached.

• Metal Halide life is more when compared to Halogen bulbs. Halogen bulbs typically last about 70 operating hours, whereas Metal Halide bulbs typically last over 1,000 operating hours.

• Halogen bulbs are based on older technology, whereas Metal Halide bulbs are based on newer technology.

So the above factors suggest that Metal Halide bulbs are superior to Halogen bulbs. The decision to purchase which bulb is really a matter of initial price of the product.

Article source: http://www.projectorlampshelp.com/projectorbulbs.html