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. Cyan is composed of equal parts of what two colors?
a sensor (or film's) sensitivity to light
Blue & Green
aperture diameter
A mirror and pentaprism

2. What kind of lighting pattern places the key light directly in front of and higher than the face?
International Organization for Standardization
Use and adjustment layer
JPEG
Butterfly lighting

3. What is a color profile?
No
four times more
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).
The diaphragm - the mechanism that controls aperture.

4. The useable exposure range of a sensor - or the range of subject brightness is called what?
One stop
dynamic range (not to be confused with gamut)
Contrast
Short lighting.

5. 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?
lengthen (or slow) the shutter speed
sensor
Aperture-priority
Blue & Green

6. This kind of meter is preferred by photographers working in a studio situation where lighting conditions can be altered.
Incident light meter
Blown highlights
factor of 2 = 1 stop compensation. (Each time a factor doubles - it's one additional stop)
Convex

7. What is an element and where is it found?
A simple lens with two curved sides or one curved and one flat side; found in a compound lens.
A mirror and pentaprism
Butterfly lighting
The pixels per inch a scanner is capable of capturing often described as two numbers (i.e. 1200x2400)

8. 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?
90 degrees. If using to eliminate reflections - it should be used at 35 degrees.
Aperture-priority
four times more
White (255)

9. What kind of light will be produced when using a large white umbrella close to a subject?
High Dynamic Range
The pixels per inch a scanner is capable of capturing often described as two numbers (i.e. 1200x2400)
Metadata
flat - low contrast light

10. If an image is too red - what color adjustment should be made in Photoshop to correct it?
Half as much light
Add cyan
Broad lighting
Shutter speed & aperture

11. A general purpose lens will provide an f-stop range of up to how many?
Creates deep shadows in eye pockets - under nose - and chin.
8 stops
Parallax
Levels adjustment

12. Photoshop's command for a simple way to start using color balance is what?
In the middle
Variations command
Soft proofing
Total number of pixels

13. In a 2:1 ratio - the shadow side of the subject would meter at X stop(s) less than the highlight side.
Use positive exposure compensation (overexposure). A reflected meter reading will attempt to make the scene 18% gray - employ overexposure to adjust.
It increases
One stop less
Total number of pixels

14. Contrast measures what in a print?
Two (f/8 > f/11 > f/16)
Black. Subtractive primaries are Magenta - Yellow - Cyan
RAID system
The difference between light and dark.

15. To produce optimal sharpness - detail - and resolution - is a higher or lower ISO setting better?
Lower
Incident light meter
Levels adjustment
Add green

16. 8 bits per pixel gives you how many colors?
256
The pixels per inch a scanner is capable of capturing often described as two numbers (i.e. 1200x2400)
Use and adjustment layer
3200 Kelvin

17. What kind of lighting patter is useful to narrow a face?
Depth of field
Soft proofing
Short lighting
Aperture

18. A color image with smooth gradiations requires at least what bit depth?
Very wide at about 180 degrees
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)
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.
24 bits per pixel (8 per color) - which gives 16 -777 -216 colors

19. What does a neutral density filter do?
In the middle
The diagonal measurement of the sensor.
Absorbs equal quantities of all wavelengths of light. It allows you to use wider apertures or slower shutter speeds without changing color balance.
All colors

20. Instead of permanently altering your image when adjusting for color and value - what should you do?
Use and adjustment layer
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.
Half as much light
90 degrees. If using to eliminate reflections - it should be used at 35 degrees.

21. 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?
Use positive exposure compensation (overexposure). A reflected meter reading will attempt to make the scene 18% gray - employ overexposure to adjust.
5000K
Fisheye
The difference between light and dark.

22. How much resolution do you need for: Internet? Newspaper? Photographic print? Glossy magazine?
A RAW file that has been altered
Subtractive primaries (plus black)
The brightness of all the pixels in an image
Internet = 72 dpi; Newspaper = 150 dpi; Photographic print = 240-300 dpi; Gloss magazine = 400 dpi

23. What is focal length - technically?
The difference between light and dark.
The distance between the lens rear nodal point and the focal plane when the lens is focused at infinity.
Shutter-priority
Selectively increasing print exposure - which will make select parts of the image darker

24. Going clockwise around the color wheel - starting with RED - what is the progression of colors?
Contrast
Short lighting.
Red - Yellow - Green - Cyan - Blue - Magenta
3:1 or 4:1

25. What is a derivative file?
Because you can move in close to the subject
Use negative exposure compensation (underexpose). The meter will attempt to make the dark scene 18% grey - underexpose to bring it back to dark.
The difference between light and dark.
A RAW file that has been altered

26. The greatest tonal range from black to white is achievable on what kind of paper?
Glossy paper
Add yellow
The difference between light and dark.
Selectively blocking light during print exposure to lighten the area

27. The amount of motion blur in an image will increase if you do what?
24 bits per pixel (8 per color) - which gives 16 -777 -216 colors
lengthen (or slow) the shutter speed
Glossy paper
The pixels per inch a scanner is capable of capturing often described as two numbers (i.e. 1200x2400)

28. A magic wand tool is used for what?
Variations command
The amount of information contained in each pixel
The number of pixels per unit of length in a image
Selecting portions of the image based on color

29. What is a Bit?
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.
Depth of field
Along the lines of an imaginary grid at intersecting points that divide the image into thirds horizontally and vertically
A mirror and pentaprism

30. The term "ISO speed" is used to describe what?

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31. What is gamut?
Metadata
Levels adjustment
To strike the side of the face away from the camera.
The entire range of colors that can be seen - reproduced - or captured. Our eyes have a greater gamut than a print or monitor.

32. What are luminance and illuminance?
Similar to a normal lens at about 30 degrees
Short lighting
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)
The amount of information contained in each pixel

33. What does the term "stop" mean?
A change in illumination
ISO
The brightness of all the pixels in an image
Contrast

34. What is the CCD or CMOS sensor?

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35. Generally - how much exposure compensation (in stops) should be used when using a polarizing filter?
The diaphragm - the mechanism that controls aperture.
Add magenta
More of the background and foreground are sharp.
1 1/3 stops

36. Can you save layers in a JPEG file format?
Small light source at an angle to the subject
A RAW file that has been altered
Aperture and shutter
No

37. This type of file format compresses images by discarding pixels; therefore - each time an images is compressed - it loses pixels.
JPEG
International Organization for Standardization
A new layer
Blue & Green

38. Focal length controls what?
1) Magnification - or the size of the subject; 2) Angle of view
Maybe as little as 0.5 degrees or 1 degree
The diaphragm - the mechanism that controls aperture.
1) Use a longer lens; 2) Move closer to the subject

39. Digital cameras use what set of primary colors?
1) Magnification - or the size of the subject; 2) Angle of view
Additive (R - G - B)
Dynamic range
Reflected light meter

40. Most lenses are sharpest closed down to how many stops from the widest?
1 or 2
5 -000 Kelvin
Add yellow
1/250th

41. This light modifier can be used to highlight a specific area of the subject.
Selectively increasing print exposure - which will make select parts of the image darker
lens-to-subject distance
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.
Snoot

42. What is a flag?
Aperture-Priority
8 stops
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
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.

43. What is dodging?
Selectively blocking light during print exposure to lighten the area
Small light source at an angle to the subject
The amount of light reflected back from the subject during exposure.
flat - low contrast light

44. What are the three main factors that affect depth of field?
Front lighting
Aperture - focal length - and distance to the subject
Add blue
5000K

45. Blue is opposite what color on the color wheel?
Yellow
Fisheye
Because you can move in close to the subject
White (255)

46. As the aperture becomes smaller - what happens to the depth of field?
Selectively blocking light during print exposure to lighten the area
One stop less
Similar to a normal lens at about 30 degrees
It increases

47. What are IPTC fields used for?
Follow focus
The distance between the lens rear nodal point and the focal plane when the lens is focused at infinity.
Blue
Metadata fields that hold info on photographer - subject - and use.

48. What do TTL systems react to?
Aperture
Memory card / flash card / compact flash card
The amount of light reflected back from the subject during exposure.
To send accurate color requirements to a printer.

49. A histogram shows what in an image?
The brightness of all the pixels in an image
White (255)
The distance between the lens rear nodal point and the focal plane when the lens is focused at infinity.
The difference between light and dark.

50. What two controls adjust the amount of light that reaches the sensor?
aperture diameter
Aperture and shutter
Blue & Green
Aperture-Priority