Introduction to Digital Photography WS
· Go to http://www.shortcourses.com
· Select #2 “Choosing a Digital Camera”
· Read items 1 thru 16 (on the short courses site) and answer the below questions in Bold using complete sentences, where possible. This is not a collaborative assignment. Students caught sharing answers will be treated as cheating and disciplined according to the rules in the Student Handbook.
1. What are bit-maps?
2. Define resolution.
3. Define pixelization
4. What is the key element in digital photography?
5. What are the three steps involved in creating and using digital photographs?
6. How are digital cameras like 35mm film cameras?
7. Define lens, aperture, and shutter and what their functions are.
8. What is the big difference between traditional film cameras and digital cameras?
9. Colors in a photographic image are usually based on what?
10. When you take a picture, what in your camera does all the calculations?
12. Why are Point and Shoot cameras called Point and Shoot?
13. What is a Prosumer?
15. What does SLR mean?
17. How many pixels are in the traditional 35mm film camera?
18. What resolution size is best for web publishing?
19. What resolutions are best for printing photo-realistic enlargements larger than
5”x 7”?
22. What is “color depth”?
23. What does “ISO” stand for?
25. What is the relationship between ISO numbers, speed and picture sharpness?
26. Describe the relationship between resolution and quality? What is the problem
with high-resolution pictures?
27. What are the two delays built into digital cameras that affect your ability to respond
to fast action when taking pictures?
30. What are USB or FireWire ports on a digital camera used for?
31. What company originally invented firewire?
32. What are the two forms of compression? Describe the advantages and disadvantages
of each.
33. What are the four common file formats and briefly describe each.
34. What file format is best used for e-mail or web graphics?
35. What file formats are best used for printing?
36. What is important to know when using JEPG format and its relation to quality?
37. How do preview screens affect battery life?
39. Other than the image sensor, what other part of the camera has the greatest effect
on the quality of your images?
40. What is one of the most important characteristics of any lens?
41. What is the most common, normal lens?
42. Zoom lenses come in what two varieties and how do they differ?
43. Why would you use macro mode or a macro lens?
47. Name three kinds of focus.
48. What is the best type of AA battery to use with a digital camera?
49. How does temperature affect battery life?
50. What is unbundling?