1. Created By Dick Heckathorn 25 June 2K+3
Characteristics of Colored Filters 5B2 page 82 Overlapping Color Filters 5C1 page 84
Created By
Dick Heckathorn
25 June 2K+3

2. I. Examining Color Filters
Look through red
White  R + G + B Red  G - B
Look through green
White  R + G + B Green  - R B

3. I. Examining Color Filters
Look through blue
White  R + G + B
Blue  - R - G
Look through Cyan
White  R + G + B Cyan  - R

4. I. Examining Color Filters
Look through Magenta
White  R + G + B Magenta  G
Look through Yellow
White  R + G + B Yellow  B

5. I. Our Color Filters
Using overhead, cardboard with slit, diffraction grating and filters on 2 x 4 inch cards examine their spectrum.
Provide handout with directions.

6. I. Examining Color Filters
Look through red and green
Red  - G - B
Green  B - R
Black

7. I. Examining Color Filters
Look through red and blue
Red  G - B
Blue  G R
Black

8. I. Examining Color Filters
Look through green and blue
Green  B - R
Blue  - G R
Black

9. I. Examining Color Filters
Look through yellow and magenta
White  R G B
Yellow  B
Magenta  G
Left with Red

10. Color Subtraction -G -B
Magenta
Red
Yellow W - G - B = R

11. I. Examining Color Filters
Look through yellow and cyan
White  R G B
Yellow  B
Cyan  - R
Left With Green

12. Color Subtraction -B -R
Yellow
Green
Cyan W - B - R = G

13. I. Examining Color Filters
Look through magenta and cyan.\
White  R G B
Magenta  G
Cyan  - R
Left with Blue

14. Color Subtraction -R -G
Cyan
Blue
Magenta W - R - G = B

15. I. Examining Color Filters
Look through yellow, cyan and magenta.
White  R G B
Magenta  G
Cyan  - R
Yellow  B
Left with Black

16. Blue
Cyan
Magenta
Green
Red
Yellow

17. That’s all folks!

18. Primary Pigments
Cyan
Magenta
Yellow

19. Demo
Yellow
Red
Green
White
Cyan
Magenta
Blue