REVIEW EXERCISES
10.
What is the usable portion of a circle illumnination called?
_______________________________________________________________________________.
11.
How many degrees angle of field does a normal lens have?
_______________________________________________________________________________.
12.
What factors affect angle of view on the negative?
_______________________________________________________________________________.
13.
In a normal lens, what is the focal length equal to?
_______________________________________________________________________________.
(complete statement)
14.
Which of the following lenses has the smallest angle of view? (Underline
one.)
a.
Long focal length lens
b.
Normal focal lens
c.
Wide-angle lens
15.
What is the diagonal, in millimeters, of the following negative sizes?
a.
24 x 36mm
_____________________________________________
.
b.
4 x 5 inch
____________________________________________
.
c.
200 x 250mm
___________________________________________
.
16.
What is a 'circle of confusion"?
_______________________________________________________________________________.
101
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