Test your basic knowledge |

Certified Professional Photographer

Instructions:

Answer 50 questions in 15 minutes.
If you are not ready to take this test, you can study here.
Match each statement with the correct term.
Don't refresh. All questions and answers are randomly picked and ordered every time you load a test.

This is a study tool. The 3 wrong answers for each question are randomly chosen from answers to other questions. So, you might find at times the answers obvious, but you will see it re-enforces your understanding as you take the test each time.

1. Resolution refers to what?
a sensor (or film's) sensitivity to light
Selectively blocking light during print exposure to lighten the area
The number of pixels per unit of length in a image
Yellow

2. This technique allows you to keep a subject that is moving toward you well focused.
Follow focus
Fisheye
(X times Y = exposure) Intensity (aperture) x Time (shutter)
Broad lighting

3. As the aperture is stopped down - what happens to sharpness?
1 1/3 stops
A mathematical translator assigned to each piece of equipment you use (they map one gamut to another; and the ICC (or International Color Consortium) profile is usually shipped by the equipment manufacturer).
All colors
More of the background and foreground are sharp.

4. What is the optical resolution on a scanner defined as?
Blue & Green
The pixels per inch a scanner is capable of capturing often described as two numbers (i.e. 1200x2400)
Depth of field
Selecting portions of the image based on color

5. What does side lighting emphasize?
Add blue
Shutter-priority
The diaphragm - the mechanism that controls aperture.
emphasizes textures

6. Aperture controls what?
1920 pixels by 2400 pixels (4.6 million pixels)
Broad lighting
The brightness of the light that reaches the sensor
four times more

7. A normal (or standard) focal length lens approximates what?
A RAW file that has been altered
The impression human vision gives
Absorbs equal quantities of all wavelengths of light. It allows you to use wider apertures or slower shutter speeds without changing color balance.
sRGB

8. Printers use how many bits per channel of information when printing?
White (255)
8 bits
It should match the focal length. Too wide and it's inefficient; too narrow and it will vignette; most likely to occur with wide angle of 28mm and below.
1/250th

9. What kind of lighting pattern is useful to widen a subject?
Broad lighting
Aperture - focal length - and distance to the subject
sRGB
Lower

10. If an image is too blue - what color adjustment should be made in Photoshop to correct it?
The brightness of all the pixels in an image
A change in illumination
Hyperfocal distance. A lens focused at the hyperfocal distance has depth of field extending from approximately half the hyperfocal distance to infinity - whereas a lens focused at infinity has a depth of field only at infinity.
Add yellow

11. Daylight is approximately what color temperature?
RAID system
Fair Use
5 -000 Kelvin
sRGB

12. If an image is too red - what color adjustment should be made in Photoshop to correct it?
a sensor (or film's) sensitivity to light
Add cyan
1) Use a longer lens; 2) Move closer to the subject
It decreases. A 50mm lens at 12 inches and f/4 has a DOF of 1/16th of an inch. At f/11 - it increases to only 1/2 an inch.

13. Most lenses are sharpest closed down to how many stops from the widest?
Metadata fields that hold info on photographer - subject - and use.
1 or 2
High Dynamic Range
The intensity of the illumination is inversely proportional to the square of the distance from light to subject. At twice the distance from the subject - the light illuminates only 1/4 of the original.

14. This viewing option gives you the most accurate version of your image in Photoshop.
3:1 or 4:1
To strike the side of the face away from the camera.
emphasizes textures
Actual Pixel view

15. What image adjustment tool uses a histogram display to alter an image?
Aperture-Priority
Fisheye
Hue - Luminance - Saturation
Levels adjustment

16. What are IPTC fields used for?
With the Main at 45 degrees to one side and 45 degrees above subject - it is a classic angle for portraits. It seems natural and flattering and models the face into 3D form.
aperture diameter
Metadata fields that hold info on photographer - subject - and use.
Infinity

17. This type of file format compresses images by discarding pixels; therefore - each time an images is compressed - it loses pixels.
One stop less
JPEG
The difference between light and dark.
High Dynamic Range

18. An incident-exposure reading for a fair-skinned subject reads f/8 - 1/125th at 100 ISO. The next subject is very dark skinned. What is the proper exposure for the second subject?

19. If you're working with an automatic camera and you set the aperture and the camera sets the shutter speed - what mode are you working in?
International Organization for Standardization
Infrared
Aperture-priority
The impression human vision gives

20. What is the inverse square law?
emphasizes textures
5 -000 Kelvin
Use and adjustment layer
The intensity of the illumination is inversely proportional to the square of the distance from light to subject. At twice the distance from the subject - the light illuminates only 1/4 of the original.

21. Most modern lenses are based on this kind of lens.
It increases
RAID system
(X times Y = exposure) Intensity (aperture) x Time (shutter)
Convex

22. What color is between Magenta and Cyan on the color wheel?
With the Main at 45 degrees to one side and 45 degrees above subject - it is a classic angle for portraits. It seems natural and flattering and models the face into 3D form.
9
A raster image
Blue

23. A magic wand tool is used for what?
Yellow
Selecting portions of the image based on color
Blue
Flat lighting

24. What is the name of the issue that prevents you from seeing exactly what the lens sees when using a rangefinder camera?
The number of pixels per unit of length in a image
The amount of light reflected back from the subject during exposure.
Parallax
8 bits

25. Whenever another image is copied or moved into a file - Photoshop automatically creates what?
A new layer
Hue - Luminance - Saturation
Variations command
Flattens out the volume of the subject and minimizes textures

26. When doing close-up work - what happens to the depth of field when the subject is closer to the lens?
The brightness of the light that reaches the sensor
It decreases. A 50mm lens at 12 inches and f/4 has a DOF of 1/16th of an inch. At f/11 - it increases to only 1/2 an inch.
Reflected light meter
Cyan

27. What kind of meter is built in to most cameras?
Yellow
Levels adjustment
Variations command
Reflected light meter

28. What is the suggested shutter speed to stop action of a child running parallel to the film plan - about 25 feet from the camera?
Incident light meter
Broad lighting
Selecting portions of the image based on color
1/250th

29. Generally - traditional portraits use what lighting ratio?
3:1 or 4:1
Hue - Luminance - Saturation
Metadata
A raster image

30. What kind of lighting patter is useful to narrow a face?
Short lighting
To create a 1-stop difference - multiply the original distance by 1.4. Example - if you were originally 5 feet away - a 1-stop difference would have you step back to 7 feet.
Along the lines of an imaginary grid at intersecting points that divide the image into thirds horizontally and vertically
Convex

31. The greatest tonal range from black to white is achievable on what kind of paper?
Glossy paper
lens-to-subject distance
Snoot
factor of 2 = 1 stop compensation. (Each time a factor doubles - it's one additional stop)

32. A color image with smooth gradiations requires at least what bit depth?
Short lighting
On a scanner; it guesses what the pixels look like in between the ones the scanner can actually measure.
four times more
24 bits per pixel (8 per color) - which gives 16 -777 -216 colors

33. When mixed in varying proportion - the subtractive primary colors produce what?
Hyperfocal distance. A lens focused at the hyperfocal distance has depth of field extending from approximately half the hyperfocal distance to infinity - whereas a lens focused at infinity has a depth of field only at infinity.
A mathematical translator assigned to each piece of equipment you use (they map one gamut to another; and the ICC (or International Color Consortium) profile is usually shipped by the equipment manufacturer).
To send accurate color requirements to a printer.
All colors

34. All objects beyond the closest distance in focus will be sharp when this appears within the DOF scale.
High Dynamic Range
Sensor size - the larger the sensor size - the longer the focal length of a normal lens. (Corresponds to a diagonal line across the frame)
Infinity
The diaphragm - the mechanism that controls aperture.

35. Convex lenses cause light rays to do what?
The number of pixels per unit of length in a image
bend toward each other and converge at the focal point.
International Organization for Standardization
1/250th

36. Contrast measures what in a print?
The difference between light and dark.
Yellow
The pixels per inch a scanner is capable of capturing often described as two numbers (i.e. 1200x2400)
Shutter-Priority

37. Photoshop's command for a simple way to start using color balance is what?
Aperture and shutter
(X times Y = exposure) Intensity (aperture) x Time (shutter)
Variations command
A new layer

38. Using this kind of automatic exposure setting on the camera - you set the shutter speed and the camera sets the aperture.
Direct sun at 11 -000 Kelvin
Internet = 72 dpi; Newspaper = 150 dpi; Photographic print = 240-300 dpi; Gloss magazine = 400 dpi
Shutter-Priority
The distance between the lens rear nodal point and the focal plane when the lens is focused at infinity.

39. A lens set at f/4 admits how much more/less light than one set at f/2.8?
Half as much light
Broad lighting
Aperture
Because you can move in close to the subject

40. What is a color profile?
A mathematical translator assigned to each piece of equipment you use (they map one gamut to another; and the ICC (or International Color Consortium) profile is usually shipped by the equipment manufacturer).
lengthen (or slow) the shutter speed
The pixels per inch a scanner is capable of capturing often described as two numbers (i.e. 1200x2400)
Yellow

41. In short lighting - where is the main light placed?
Internet = 72 dpi; Newspaper = 150 dpi; Photographic print = 240-300 dpi; Gloss magazine = 400 dpi
Fair Use
To strike the side of the face away from the camera.
It emphasizes the edges between tones. A threshold of zero affects all pixels - a higher threshold affects just the edges with high tonal difference and minimizes noise.

42. Copyright law has certain built-in exceptions that allow for special situations in using copyrighted material. They are called what?
Metadata
Incident light meter
Fair Use
Small light source at an angle to the subject

43. Doubling the aperture setting creates how many stops difference in the amount of light reaching the sensor?
stopped down
One stop
Magenta
White (255)

44. What do TTL systems react to?
Use negative exposure compensation (underexpose). The meter will attempt to make the dark scene 18% grey - underexpose to bring it back to dark.
More of the background and foreground are sharp.
emphasizes textures
The amount of light reflected back from the subject during exposure.

45. In a 2:1 ratio - the shadow side of the subject would meter at X stop(s) less than the highlight side.
One stop less
The difference between light and dark.
Selectively increasing print exposure - which will make select parts of the image darker
Cyan

46. The term to describe the combination of aperture and shutter speed that can be changed by moving them in opposite directions.
Selectively blocking light during print exposure to lighten the area
Reciprocal relationship
Hue - Luminance - Saturation
Contrast

47. What is the effect of front lighting?
The brightness of all the pixels in an image
Actual Pixel view
Flattens out the volume of the subject and minimizes textures
The entire range of colors that can be seen - reproduced - or captured. Our eyes have a greater gamut than a print or monitor.

48. What is the term used to describe human's change in perception of a color under different light sources?
Red - Yellow - Green - Cyan - Blue - Magenta
Metamerism
The diagonal measurement of the sensor.
Curves adjustment; Levels adjustment; Brighteness/Contrast adjustment

49. Name two ways you can increase depth of field (other than changing aperture).
1) Use a shorter focal length; 2) Move farther away from the subject
White (255)
Subtractive primaries (plus black)
dynamic range (not to be confused with gamut)

50. What kind of lighting pattern places the key light directly in front of and higher than the face?
A change in illumination
It should match the focal length. Too wide and it's inefficient; too narrow and it will vignette; most likely to occur with wide angle of 28mm and below.
The diaphragm - the mechanism that controls aperture.
Butterfly lighting