Why are projectors so expensive?

Related questions

1. What is the difference between LCD and LED screen?
2. Is Direct led better than edge lit?
3. Which is better LED or LCD projector?
4. What is the purpose of backlight on an LCD screen?
5. Which display is better TFT or IPS LCD?
6. Is led better than IPS?
7. What's better for gaming LCD or LED?
8. Is led good for gaming?
9. Which consumes more power LED or LCD?
10. What's better edge lit or backlit?

Tags

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2. #video
3. #quality
4. #actually
5. #product
6. #displaying
7. #option
8. #listed
9. #resolution
10. #content
11. #accept
12. #their
13. #display
14. #projectors
15. #downgrade
16. #maximum
17. #1080p
18. #important
19. #expensive