Summary

• Thin film interference
• Polarization

• Written Quiz    Timer
  
  
  
• Cameras
  • aperture & f/#
  • film speed
  • exposure
    
    Example #1
    
  
  
  

gc6 25.3
A shutter speed of 1/250 s at f/2.8 will give a correct exposure, but you wish to use f/11 to increase the depth of field. What shutter speed should you use?
A. 1/4000 s            B. 1/60 s
C. 1/15 s              D. 1/8 s
Answer







 



C. 1/15 s