Why are my pictures so grainy?

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Tags

1. #light
2. #camera
3. #photos
4. #exhibit
5. #acceptably
6. #images
7. #taken
8. #caused
9. #grainy
10. #image
11. #revealing
12. #physics
13. #pictures
14. #thereby
15. #cause
16. #capturing
17. #without
18. #enough
19. #problem
20. #noise
21. #formed
22. #bright
23. #produce