What does auto iris do on a projector?

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Tags

1. #dynamic
2. #built
3. #being
4. #closes
5. #projectors
6. #light
7. #projector
8. #contrast
9. #opens
10. #overall
11. #improve
12. #allow
13. #projected
14. #through
15. #evaluates
16. #device
17. #brightness
18. #image
19. #second
20. #times
21. #between