Cameras & Video

Cameras




01) Which person probably had the largest impact on camera technology in the last 30 years?

02) How does a camera operator sell a shot to a director?

03) What are the various parts of a camera that must be assembled for use?

04) Does a good camera operator only do what the director has requested?

05) What is common camera placement for major league baseball?

See Ch 5 & 6 to answer the questions below

06) Why are large lenses so expensive?

07) What are the various lens servos?

08) Why do lenses need to talk to the camera today?

09) Why are ENG/EFP lenses usually smaller then studio/hard cameras?

10) What are the differences generally between traditional television and film style (cinegraphic) production?

11) Why purposely shoot in low light conditions?

12) What five attributes are described in most TV lenses model designations?

13) What is lens breathing?

14) What happens with every change of F-stop?

15) Why might different models of lens transmit different amounts of light for the same F-stop?

16) What is F-drop and why does it happen?

17) What is portholing, and what causes it?

18) What is Chromatic Aberration?

19) How do modern HD cameras electronically minimize Chromatic Aberration?

20) What makes up the optical block?

21) What is aliasing and the Nyquest rate?

22) Where is a Bayer filter used?

23) What is signal to noise (S/N)?

24) Why is S/N measured in Decibels   (Hint)

25) What is meant by Spatial verses Temporal resolution?   (Hint)

26) Briefly describe the evolution of CCD sensors   (Hint)

27) Broadcast quality CCD imagers have how many pixels today?

28) HD CCD imagers with incredably high pixel count allow what?

29) What are the differences between 720p and 1080i?

30) Interlaced and progressive - Which one is going to disappear?

31) What prime numbers are required to create a multi-format imager?
    How many total vertical lines in today's HD imager? Why?

32) Which video format has the most light to work with in this imager? Why?

33) Why is interpolation needed horizontally for multi-format cameras?   (Hint)

34) How does electronic shutters work?

35) What happens during camera black balance beside black balance?

36) What are the advantages of CMOS imagers?

37) Match the following video terms with their definitions:
     Clipping, Knee, Sampling, Nyquest, Clamping, Flare, Gain, Gamma, Masking, Matrix, 4:2:2

38) What are the Super HD formats?

39) How is 4K mainly used today in the field?

40) What is the difference between the Time domain verses the Frequency domain?   (Hint)

41) What is 1D, 2D, and 3D filtering?   (Hint)

42) What is Y, R-Y, and B-Y?

43) What determines what type of video ends up in each?   (Hint)

44) What is color subsampling and why is it used?   (Hint)

45) What signals pass between camera head and base station over triax?

46) Explain what QAM is and why it is used?   (Hint)

47) What problems do high speed cameras (high frame capture rates) face?

01) What do video operators do?

02) What is "senior" video?

03) What makes for a good video operator?

04) Explain Aspect Ratios   (Hint)