Take home quiz

Name:________________________________
ART 170Z
Spring 2009
Randy Nelson

Quiz #1
Due Wednesday May 20th
10 points

A. Camera Mathematics Concepts
Select from the following camera settings for the following questions (3 points):
F2, f2.8, f4, f5.6, f8, f11, f16, f22 1/30, 1/60, 1/125, 1/250, 1/500, 1/1000, 1/2000

Which shutter speed is most likely to freeze motion?
Which shutter speed is most likely to blur motion?
Which shutter speed is the slowest recommended shutter speed to hand-hold a camera with a normal lens?
Which aperture provides for the shallowest depth-of-field?
Which aperture provides for the greatest depth-of-field?
Which of the above settings would be the approximate starting BDE settings for
a film with an ISO rating of 400.
B. Math Essay (2 points)
Describe the units of measurement used for camera shutters, apertures, and sensor or film sensitivity.


C. Perception Essay (2 points)
1. Question Compare and contrast photographic vision and human vision. (2 points)
In other words, what are some differences between how cameras typically see and how humans see?

D. Short Answer (3 points)



1. An important adjustment on digital cameras that effects the color of photographs is called:


2. What are the picture elements (pixels) within a digital image?


3. There are basically two types of scanners depending on application, flatbed and?


4. Dpi is a measurement that means?



5. Which file format contains the most digital information?
a. JPEG
b. BMP
c. TIFF
d. RAW



6. Vector software is primarily used for?

7. Raster software is primarily used for?



8. When working in the digital darkroom your most active color mode will be?



9. Digital information about an image that accompanies a digital image is called
a. logical inferences
b. basic daylight exposure
c. metadata
d. camera obscura
10. When printing a high quality print with an inkjet printer your print would be best at…
a. 72.
b. 100.
c. 200.
d. 300.




11. The dpi of photos used on a web site is usually around?
a. 300 dpi.
b. 200 dpi.
c. 100 dpi.
d. 72 dpi.

12. When sending photos via email you should usually use what file format?
a. TIFF
b. JPEG
c. BMP
d. GIF