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

Warning: Invalid argument supplied for foreach() in /var/www/html/basicversity.com/show_quiz.php on line 183

2. If an image is too red - what color adjustment should be made in Photoshop to correct it?
The sensor's sensitivity to light
Add cyan
Levels adjustment
Very wide at about 180 degrees

3. What is the name of the technique used to make a monitor look like what you will see on your print?
Use and adjustment layer
Additive (R - G - B)
Selectively increasing print exposure - which will make select parts of the image darker
Soft proofing

4. What determines what will be a 'normal' focal length lens on a particular camera?
Sensor size - the larger the sensor size - the longer the focal length of a normal lens. (Corresponds to a diagonal line across the frame)
Aperture-Priority
Flat lighting
A change in illumination

5. What image adjustment tool uses a histogram display to alter an image?
Levels adjustment
Infrared
One stop less
Aperture - focal length - and distance to the subject

6. A lens set at f/4 admits how much more/less light than one set at f/2.8?
Selectively blocking light during print exposure to lighten the area
8 stops
Half as much light
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.

7. A tonal correction cannot be accomplished by using a...
hue/saturation adjustment layer
Use positive exposure compensation (overexposure). A reflected meter reading will attempt to make the scene 18% gray - employ overexposure to adjust.
Aperture-priority
Small light source at an angle to the subject

8. If an image is too blue - what color adjustment should be made in Photoshop to correct it?
stopped down
emphasizes textures
Add yellow
Click with the neutral-point dropper on the selected color

9. What kind of light will be produced when using a large white umbrella close to a subject?
Add cyan
Memory card / flash card / compact flash card
Fair Use
flat - low contrast light

10. Name two ways you can increase depth of field (other than changing aperture).
lens-to-subject distance
Parallax
International Organization for Standardization
1) Use a shorter focal length; 2) Move farther away from the subject

11. What is the inverse square law?
5000K
A change in illumination
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.
Memory card / flash card / compact flash card

12. What is the term used to describe human's change in perception of a color under different light sources?
Metamerism
90 degrees. If using to eliminate reflections - it should be used at 35 degrees.
Levels adjustment
Metadata fields that hold info on photographer - subject - and use.

13. What is gamut?
1) Use a shorter focal length; 2) Move farther away from the subject
Metadata fields that hold info on photographer - subject - and use.
The entire range of colors that can be seen - reproduced - or captured. Our eyes have a greater gamut than a print or monitor.
Metadata

14. When doing close-up work - what happens to the depth of field when the subject is closer to the lens?
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.
Aperture - focal length - and distance to the subject
The entire range of colors that can be seen - reproduced - or captured. Our eyes have a greater gamut than a print or monitor.
3200 Kelvin

15. What is a thyristor?
White (255)
The distance between the lens rear nodal point and the focal plane when the lens is focused at infinity.
A light-sensitive cell or sensor inside a flash unit that measures the amount of light reflecting off a subject when a flash is used.
Blown highlights

16. Why is depth of field greater on a short lens versus a long lens?
Keeps a moving subject sharp while blurring the background
3200 Kelvin
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.
Aperture

17. What would you use an ICC profile for?
Yellow
1 or 2
Infinity
To send accurate color requirements to a printer.

18. What angle of view does an incident meter read?
Very wide at about 180 degrees
To strike the side of the face away from the camera.
Aperture and shutter
It increases

19. A technique used to maintain sharp focus on a subject that is moving toward you is called what?
Levels adjustment
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.
1920 pixels by 2400 pixels (4.6 million pixels)
Follow focus

20. What does the term "stop" mean?
Lasso tool
A change in illumination
Aperture and shutter
Subtractive primaries (plus black)

21. Cyan is composed of equal parts of what two colors?
Blue & Green
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.
1920 pixels by 2400 pixels (4.6 million pixels)
The brightness of the light that reaches the sensor

22. How does 'unsharp mask' work?
Dynamic range
Short lighting
1 or 2
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.

23. What kind of lighting patter is useful to narrow a face?
Black. Subtractive primaries are Magenta - Yellow - Cyan
Black (0)
Shutter-priority
Short lighting

24. Most modern lenses are based on this kind of lens.
Convex
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.
It increases
dynamic range (not to be confused with gamut)

25. This light modifier can be used to highlight a specific area of the subject.
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.
Add cyan
Snoot
Along the lines of an imaginary grid at intersecting points that divide the image into thirds horizontally and vertically

26. Convex lenses cause light rays to do what?
Metadata fields that hold info on photographer - subject - and use.
Flat lighting
256
bend toward each other and converge at the focal point.

27. When the additive primaries are mixed together equally - what is created?
8 bits
Shutter-Priority
A new layer
White (additive primaries are Red - Green Blue)

28. Printers use how many bits per channel of information when printing?
8 bits
Use negative exposure compensation (underexpose). The meter will attempt to make the dark scene 18% grey - underexpose to bring it back to dark.
A raster image
Red - Yellow - Green - Cyan - Blue - Magenta

29. The quantity of light that reaches your sensor is controlled by what?
One stop less
The distance between the lens rear nodal point and the focal plane when the lens is focused at infinity.
Shutter speed & aperture
Hue - Luminance - Saturation

30. Going clockwise around the color wheel - starting with RED - what is the progression of colors?
Internet = 72 dpi; Newspaper = 150 dpi; Photographic print = 240-300 dpi; Gloss magazine = 400 dpi
Red - Yellow - Green - Cyan - Blue - Magenta
Snoot
Blue

31. What do the bars on the left of a histogram represent?
Lower
Blue
Aperture
Black (0)

32. According to the rule of thirds - where should the important parts of an image fall?
Along the lines of an imaginary grid at intersecting points that divide the image into thirds horizontally and vertically
Parallax
Direct sun at 11 -000 Kelvin
The entire range of colors that can be seen - reproduced - or captured. Our eyes have a greater gamut than a print or monitor.

33. What is a Bit?
Similar to a normal lens at about 30 degrees
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.
One stop
Sensor size - the larger the sensor size - the longer the focal length of a normal lens. (Corresponds to a diagonal line across the frame)

34. When mixed in varying proportion - the subtractive primary colors produce what?
All colors
The impression human vision gives
Short lighting.
aperture diameter

35. 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?
emphasizes textures
5000K
Half as much light
Shutter-priority

36. Generally - how much exposure compensation (in stops) should be used when using a polarizing filter?
The pixels per inch a scanner is capable of capturing often described as two numbers (i.e. 1200x2400)
1 1/3 stops
Lasso tool
Short lighting.

37. In a digital image - the images file sizes corresponds to the total number of what in the image?
Levels adjustment
A high contrast image
Total number of pixels
Front lighting

38. The area of acceptable sharpness in an image is called what?
Half as much light
Reflected light meter
Depth of field
8 stops

39. The histogram of a properly exposed grey card will show a vertical bar where on the histogram?
Metamerism
In the middle
1) Use a shorter focal length; 2) Move farther away from the subject
a sensor (or film's) sensitivity to light

40. A histogram shows what in an image?
dynamic range (not to be confused with gamut)
The brightness of all the pixels in an image
(X times Y = exposure) Intensity (aperture) x Time (shutter)
Black. Subtractive primaries are Magenta - Yellow - Cyan

41. This technique allows you to keep a subject that is moving toward you well focused.
1) Use a shorter focal length; 2) Move farther away from the subject
Follow focus
Lasso tool
Blue & Green

42. All objects beyond the closest distance in focus will be sharp when this appears within the DOF scale.
1) Magnification - or the size of the subject; 2) Angle of view
Snoot
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.
Infinity

43. Most lenses are sharpest closed down to how many stops from the widest?
1 or 2
Add yellow
hue/saturation adjustment layer
Total number of pixels

44. Aperture controls what?
Add red
hue/saturation adjustment layer
The brightness of the light that reaches the sensor
High Dynamic Range

45. 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?
four times more
In the middle
Yellow
White (additive primaries are Red - Green Blue)

46. A tall vertical line on the right hand edge of a histogram indicates what?
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.
Because you can move in close to the subject
Blown highlights
All colors

47. What kind of lighting pattern places the key light directly in front of and higher than the face?
Butterfly lighting
All colors
Shutter-priority
White (additive primaries are Red - Green Blue)

48. What are IPTC fields used for?
Metadata fields that hold info on photographer - subject - and use.
The distance between the lens rear nodal point and the focal plane when the lens is focused at infinity.
Two (f/8 > f/11 > f/16)
The difference between light and dark.

49. What does a neutral density filter do?
Absorbs equal quantities of all wavelengths of light. It allows you to use wider apertures or slower shutter speeds without changing color balance.
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.
flat - low contrast light
sensor

50. What are the three main factors that affect depth of field?
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.
emphasizes textures
Aperture - focal length - and distance to the subject
1 or 2