Criteria of selection & qualty of a lamp

Why panasonic ty la 1000 replacement lamp are so expensive.Do you know the reason behind the issue? 

Here i list some of the reason why panasonic replacement lamp are so expensive

• Unique Design 
• High Quality Standards
• Scarcity (Manufacturers produce lamps in small batches)
• Difficult and Expensive Materials 

Best selection criteria

• Look for projectors with low cost lamps( example of cheap projector lamps's brand : Optoma, Sanyo, and Eiki
• Choose a popular projector.
• Watch for your projector to be re-manufactured under another name with a lower cost version of the same la
• try to consider OEM Compatible lamps .