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Study Guide Answers

1.     What are the common lengths of 35mm film?
     20, 24, 36 exposures
2.     What are the two principal types of 35mm cameras?
     single-lens reflex, viewfinder
3.     What are the SLR's three most important controls?
     focusing ring, aperture ring, shutter control dial
4.     In addition to exposure, what does the aperture control ?
     depth of field
5.     What is the slowest hand-held shutter speed to use with a 55mm lens?
     a sixtieth
6.     What color wavelength does a red filter transmit?
     red
7.     Name the three light-sensitive layers of color film.
     blue, green, red
8.     A __________ surface reflects most of the light reaching it.
     polished
9.     __________ materials absorb most of the rays.
     Opaque
10.     A __________ lens decreases the angle of view, but the object size is larger.
     telephoto
11.     What does "static" mean?
     unmoving
12.     You should clean your lens only when it is dirty. True or false?
     true
13.     Are X rays harmful to exposed film?
     yes
14.     Are X rays harmful to unexposed film?
     yes
© Educational Video Network, Inc. 2005 - www.evndirect.com
Your leading source for curriculum-based educational videos and DVDs.