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. What angle of view does a spot meter read?
aperture diameter
256
Maybe as little as 0.5 degrees or 1 degree
Luminance is light reflected from the subject (measured by a reflected-light meter) - while Illuminance is light falling on a subject (as measured with an incident light meter)

2. How can you change the brightness of the background when using flash?
Change the shutter speed. The longer the shutter speed - the lighter the background will be. The faster the shutter speed - the darker the background will be because less existing light is captured.
One stop less
Luminance is light reflected from the subject (measured by a reflected-light meter) - while Illuminance is light falling on a subject (as measured with an incident light meter)
Convex

3. Color systems divide all colors into which three measurements?
Short lighting.
Hue - Luminance - Saturation
Lasso tool
Direct sun at 11 -000 Kelvin

4. Printers use what set of colors?
Fisheye
(X times Y = exposure) Intensity (aperture) x Time (shutter)
Black (0)
Subtractive primaries (plus black)

5. This technique allows you to keep a subject that is moving toward you well focused.
Add green
Add red
Follow focus
Reciprocal relationship

6. What is the optical resolution on a scanner defined as?
Yellow
Levels adjustment
Add blue
The pixels per inch a scanner is capable of capturing often described as two numbers (i.e. 1200x2400)

7. When buying a lens hood - you should get it in what size relative to the lens?

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8. What is an element and where is it found?
Add red
A simple lens with two curved sides or one curved and one flat side; found in a compound lens.
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 diagonal measurement of the sensor.

9. Copyright law has certain built-in exceptions that allow for special situations in using copyrighted material. They are called what?
Fair Use
Snoot
Black. Subtractive primaries are Magenta - Yellow - Cyan
Aperture and shutter

10. Stopping a lens down from f/8 to f/16 represents a X stop difference.
One stop
Aperture
Two (f/8 > f/11 > f/16)
Absorbs equal quantities of all wavelengths of light. It allows you to use wider apertures or slower shutter speeds without changing color balance.

11. 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?

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12. If an image is too cyan - what color adjustment should be made in Photoshop to correct it?
Aperture and shutter
Add red
RAID system
Close-ups that are life-size or larger. Images through microscopes are "photomicrographs."

13. This type of file format compresses images by discarding pixels; therefore - each time an images is compressed - it loses pixels.
Reciprocal relationship
JPEG
International Organization for Standardization
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.

14. What do the bars on the right of a histogram represent?
White (255)
Curves adjustment; Levels adjustment; Brighteness/Contrast adjustment
flat - low contrast light
Keeps a moving subject sharp while blurring the background

15. Bit depth refers to what?
Metadata fields that hold info on photographer - subject - and use.
Shutter-Priority
White (255)
The amount of information contained in each pixel

16. Why is depth of field greater on a short lens versus a long lens?
Relative aperture. The opening on a long lens must be larger than a corresponding opening on a short lens to produce the same f-stops.
Metadata
Selectively blocking light during print exposure to lighten the area
Butterfly lighting

17. Panning does what?
The smallest unit of information consisting of either a 1 or a zero. It can only represent two possibilities - either yes or no - black or white.
Shutter-Priority
Add blue
Keeps a moving subject sharp while blurring the background

18. If you're working with an automatic camera and you set the shutter speed and the camera sets the aperture - what mode are you working in?
Through the Lens. A camera that can automatically control flash exposure using sensors inside the camera.
Metadata fields that hold info on photographer - subject - and use.
Selectively increasing print exposure - which will make select parts of the image darker
Shutter-priority

19. An in-camera reflected meter reading a very light toned scene indicates an exposure of 1/250th at f/8. For a correct exposure - what should you do?
four times more
White (additive primaries are Red - Green Blue)
sRGB
Use positive exposure compensation (overexposure). A reflected meter reading will attempt to make the scene 18% gray - employ overexposure to adjust.

20. If your print will be viewed mostly under window light - what is the suggested Kelvin temperature of the lights you should use to evaluate your print?
sRGB
The brightness of the light that reaches the sensor
Shutter-Priority
5000K

21. According to the Inverse Square Law - at a distance of 10 feet from a flash - the area illuminated receives how much more/less light than the area illuminated at 20 feet from the flash?
To strike the side of the face away from the camera.
four times more
(X times Y = exposure) Intensity (aperture) x Time (shutter)
Yellow

22. Resolution refers to what?
The number of pixels per unit of length in a image
The diaphragm - the mechanism that controls aperture.
The impression human vision gives
Actual Pixel view

23. Maximum depth of field at a given aperture is achieved by focusing at what?
Variations command
Also called a gobo; it is a small panel usually mounted on a stand that shades some part of the subject or shields the lens from light that could cause flare
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.
Short lighting

24. What kind of lighting patter is useful to narrow a face?
8 bits
Add cyan
Additive (R - G - B)
Short lighting

25. A filter with a factor of 2 requires how many stops of compensation?

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26. How much resolution do you need for: Internet? Newspaper? Photographic print? Glossy magazine?
The amount of light reflected back from the subject during exposure.
The diagonal measurement of the sensor.
Internet = 72 dpi; Newspaper = 150 dpi; Photographic print = 240-300 dpi; Gloss magazine = 400 dpi
Luminance is light reflected from the subject (measured by a reflected-light meter) - while Illuminance is light falling on a subject (as measured with an incident light meter)

27. Most modern lenses are based on this kind of lens.
Convex
Metadata fields that hold info on photographer - subject - and use.
Contrast
1920 pixels by 2400 pixels (4.6 million pixels)

28. What does the term "stop" mean?
Short lighting.
A change in illumination
Add magenta
The diagonal measurement of the sensor.

29. What is gamut?
Use negative exposure compensation (underexpose). The meter will attempt to make the dark scene 18% grey - underexpose to bring it back to dark.
1) Magnification - or the size of the subject; 2) Angle of view
factor of 2 = 1 stop compensation. (Each time a factor doubles - it's one additional stop)
The entire range of colors that can be seen - reproduced - or captured. Our eyes have a greater gamut than a print or monitor.

30. The histogram of a properly exposed grey card will show a vertical bar where on the histogram?
Broad lighting
Short lighting.
Metadata fields that hold info on photographer - subject - and use.
In the middle

31. Most inkjet printers intended for photographic printing include light and dark inks of all of the colors except for one. Which color ink is usually available only in one density?
Click with the neutral-point dropper on the selected color
Yellow
Follow focus
The amount of information contained in each pixel

32. Using this kind of automatic exposure setting on the camera - you set the aperture and the camera sets the shutter speed.
flat - low contrast light
Close-ups that are life-size or larger. Images through microscopes are "photomicrographs."
Aperture-Priority
Blue

33. What is a Bit?
Yellow
The smallest unit of information consisting of either a 1 or a zero. It can only represent two possibilities - either yes or no - black or white.
Add yellow
Blue

34. Digital cameras use what set of primary colors?
Additive (R - G - B)
24 bits per pixel (8 per color) - which gives 16 -777 -216 colors
Subtractive primaries (plus black)
Black. Subtractive primaries are Magenta - Yellow - Cyan

35. The amount of motion blur in an image will increase if you do what?
One stop less
lengthen (or slow) the shutter speed
Shutter-priority
Flat lighting

36. 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?
1) Use a shorter focal length; 2) Move farther away from the subject
Change the shutter speed. The longer the shutter speed - the lighter the background will be. The faster the shutter speed - the darker the background will be because less existing light is captured.
Blue
Aperture-priority

37. What image adjustment tool uses a histogram display to alter an image?
Subtractive primaries (plus black)
Levels adjustment
1920 pixels by 2400 pixels (4.6 million pixels)
Because you can move in close to the subject

38. What is a derivative file?
Aperture-Priority
A RAW file that has been altered
Metadata
One stop

39. This light modifier can be used to highlight a specific area of the subject.
The amount of information contained in each pixel
8 bits
Snoot
Bit

40. If an image is too red - what color adjustment should be made in Photoshop to correct it?
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 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.
Short lighting.
Add cyan

41. What is interpolated resolution?
On a scanner; it guesses what the pixels look like in between the ones the scanner can actually measure.
In the middle
factor of 2 = 1 stop compensation. (Each time a factor doubles - it's one additional stop)
Selecting portions of the image based on color

42. Printers use how many bits per channel of information when printing?
Contrast
The diagonal measurement of the sensor.
Add green
8 bits

43. A 1:1 lighting ratio produces what lighting result?
JPEG
Flat lighting
An 8-BIT sequence that represents 256 possibilities - black & white & 254 shades of grey. The size of a file is the number of bytes it contains.
Red - Yellow - Green - Cyan - Blue - Magenta

44. Focal length controls what?
RAID system
Blue & Green
1) Magnification - or the size of the subject; 2) Angle of view
sensor

45. Perspective is affected by what?
Glossy paper
Broad lighting
Metadata fields that hold info on photographer - subject - and use.
lens-to-subject distance

46. The area of acceptable sharpness in an image is called what?
The impression human vision gives
Close-ups that are life-size or larger. Images through microscopes are "photomicrographs."
Infrared
Depth of field

47. If an image is too yellow - what color adjustment should be made in Photoshop to correct it?
Inkjet black & white printing where color cartridges are replaced with shades of gray - resulting in smooth tones and slight color cast
Add blue
Small light source at an angle to the subject
Add red

48. What color is between Magenta and Cyan on the color wheel?
Zoom lens
Dynamic range
Flattens out the volume of the subject and minimizes textures
Blue

49. What is the term used to describe human's change in perception of a color under different light sources?
Yellow
Metamerism
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

50. Most lenses are sharpest closed down to how many stops from the widest?
Variations command
aperture diameter
Curves adjustment; Levels adjustment; Brighteness/Contrast adjustment
1 or 2