Author Question: When should you calibrate a zoom lens? a. only at the beginning of the shoot b. only when the ... (Read 133 times)

jhjkgdfhk · **on:** Aug 11, 2018

When should you calibrate a zoom lens?

a. only at the beginning of the shoot
b. only when the object/subject changes position
c. every time you have zoomed in and out
d. every time either the camera or the object/subject changes position
e. every time you enter a new lighting environment

Question 2

What is TRUE of the theory of least objectionable programming (LOP) today?

a. It has been replaced by appointment viewing.
b. It works when viewers have 50 or more channels to choose among.
c. It works now that more than 85 percent of homes have cable or satellite channels.
d. It works only in cabled households without pay channels.
e. It works in the households that have VCRs but no cable.