1. October 13, 19981 IMAGE FORMATION

2. October 13, 19982 CAMERA LENS IMAGE PLANE OPTIC AXIS LENS

3. October 13, 19983 THIN LENS OPTICS f IMAGE PLANE OPTIC AXIS LENS i o 1 1 1 f i o = + ‘THIN LENS LAW’

4. October 13, 19984 THIN LENS OPTICS IMAGE PLANE OPTIC AXIS LENS i o 1 1 1 f i o = + i = f 1 - f/o Magnification = - i o

5. October 13, 19985 LIGHT GATHERING POWER OF A LENS OPTIC AXIS Image formation of an object point uses light rays passing through all points on the lens. D F-Number = f D

6. October 13, 19986 Depth-Of-Field = range of object distance o over which blur circle radius is less than a certain .

7. October 13, 19987

8. 8

9. 9

10. 10

11. October 13, 199811

12. October 13, 199812