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. To produce optimal sharpness - detail - and resolution - is a higher or lower ISO setting better?
1) Magnification - or the size of the subject; 2) Angle of view
White (255)
JPEG
Lower

2. If an image is too magenta - what color adjustment should be made in Photoshop to correct it?
factor of 2 = 1 stop compensation. (Each time a factor doubles - it's one additional stop)
Dynamic range
Add green
Incident light meter

3. This kind of meter is preferred by photographers working in a studio situation where lighting conditions can be altered.
JPEG
Additive (R - G - B)
Incident light meter
1 1/3 stops

4. What is the suggested shutter speed to stop action of a child running parallel to the film plan - about 25 feet from the camera?
1/250th
A high contrast image
Actual Pixel view
Add magenta

5. The greatest tonal range from black to white is achievable on what kind of paper?
One stop less
dynamic range (not to be confused with gamut)
Curves adjustment; Levels adjustment; Brighteness/Contrast adjustment
Glossy paper

6. This viewing option gives you the most accurate version of your image in Photoshop.
Follow focus
International Organization for Standardization
Close-ups that are life-size or larger. Images through microscopes are "photomicrographs."
Actual Pixel view

7. What kind of lighting pattern is best for average oval faces and round faces you want to slim?
Short lighting.
Infrared
Along the lines of an imaginary grid at intersecting points that divide the image into thirds horizontally and vertically
1) Magnification - or the size of the subject; 2) Angle of view

8. 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?

9. If an image is too cyan - what color adjustment should be made in Photoshop to correct it?
Add red
The diagonal measurement of the sensor.
White (additive primaries are Red - Green Blue)
Maybe as little as 0.5 degrees or 1 degree

10. Daylight is approximately what color temperature?
5 -000 Kelvin
aperture diameter
Lower
The distance between the lens rear nodal point and the focal plane when the lens is focused at infinity.

11. This stores electronic images captured in a digital camera until they can be transferred to a computer.
1920 pixels by 2400 pixels (4.6 million pixels)
bend toward each other and converge at the focal point.
Memory card / flash card / compact flash card
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)

12. Going clockwise around the color wheel - starting with RED - what is the progression of colors?
Yellow
Red - Yellow - Green - Cyan - Blue - Magenta
Zoom lens
Metadata fields that hold info on photographer - subject - and use.

13. Panning does what?
The number of pixels per unit of length in a image
Keeps a moving subject sharp while blurring the background
To strike the side of the face away from the camera.
24 bits per pixel (8 per color) - which gives 16 -777 -216 colors

14. Why is depth of field greater on a short lens versus a long lens?
Black. Subtractive primaries are Magenta - Yellow - Cyan
Aperture - focal length - and distance to the subject
Because you can move in close to the subject
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.

15. A histogram shows what in an image?
The brightness of all the pixels in an image
(X times Y = exposure) Intensity (aperture) x Time (shutter)
RAID system
Black (0)

16. Perspective is affected by what?
Aperture-Priority
Add cyan
lens-to-subject distance
Similar to a normal lens at about 30 degrees

17. What kind of light will be produced when using a large white umbrella close to a subject?
Black (0)
flat - low contrast light
Keeps a moving subject sharp while blurring the background
1 1/3 stops

18. What does a neutral density filter do?
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.
Reflected light meter
Absorbs equal quantities of all wavelengths of light. It allows you to use wider apertures or slower shutter speeds without changing color balance.
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.

19. What is the CCD or CMOS sensor?

20. What is a derivative file?
Add yellow
High Dynamic Range
A RAW file that has been altered
Cyan

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?
Front lighting
Levels adjustment
Use positive exposure compensation (overexposure). A reflected meter reading will attempt to make the scene 18% gray - employ overexposure to adjust.
Metamerism

22. Printers use what set of colors?
24 bits per pixel (8 per color) - which gives 16 -777 -216 colors
Red - Yellow - Green - Cyan - Blue - Magenta
Subtractive primaries (plus black)
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.

23. The histogram of a properly exposed grey card will show a vertical bar where on the histogram?
Depth of field
9
Reciprocal relationship
In the middle

24. Convex lenses cause light rays to do what?
Metadata
bend toward each other and converge at the focal point.
White (additive primaries are Red - Green Blue)
Bit

25. How does 'unsharp mask' work?
Depth of field
Hue - Luminance - Saturation
Add green
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.

26. What are the three main factors that affect depth of field?
Aperture - focal length - and distance to the subject
Selectively increasing print exposure - which will make select parts of the image darker
Yellow
The number of pixels per unit of length in a image

27. In the 20th century - black & white photographers used the Zone system to tame excessive contrast. Now - digital photographers use what?
High Dynamic Range
Use negative exposure compensation (underexpose). The meter will attempt to make the dark scene 18% grey - underexpose to bring it back to dark.
Flat lighting
Lower

28. What is the effect of front lighting?
Bit
The impression human vision gives
Aperture-Priority
Flattens out the volume of the subject and minimizes textures

29. To emphasize texture in a portrait - what kind of light source is recommended?
Additive (R - G - B)
Small light source at an angle to the subject
A change in illumination
Add red

30. Bit depth refers to what?
Black (0)
Subtractive primaries (plus black)
The amount of information contained in each pixel
No

31. In a digital image - the images file sizes corresponds to the total number of what in the image?
Total number of pixels
The amount of light reflected back from the subject during exposure.
Follow focus
Dynamic range

32. What does "photomacrograph" or "macrophotograph" mean?
One stop less
Close-ups that are life-size or larger. Images through microscopes are "photomicrographs."
No
To strike the side of the face away from the camera.

33. The area of acceptable sharpness in an image is called what?
Maybe as little as 0.5 degrees or 1 degree
sensor
Depth of field
In the middle

34. What is the usable exposure range - or range of subject brightness called?
Similar to a normal lens at about 30 degrees
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.
Reciprocal relationship

35. As the aperture is stopped down - what happens to sharpness?
More of the background and foreground are sharp.
Absorbs equal quantities of all wavelengths of light. It allows you to use wider apertures or slower shutter speeds without changing color balance.
1 or 2
White (additive primaries are Red - Green Blue)

36. What color is opposite Red on the color wheel?
Cyan
Use negative exposure compensation (underexpose). The meter will attempt to make the dark scene 18% grey - underexpose to bring it back to dark.
Add green
Depth of field

37. Doubling the aperture setting creates how many stops difference in the amount of light reaching the sensor?
Butterfly lighting
1) Use a shorter focal length; 2) Move farther away from the subject
One stop
Metamerism

38. What is a flag?
Aperture - focal length - and distance to the subject
Along the lines of an imaginary grid at intersecting points that divide the image into thirds horizontally and vertically
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
bend toward each other and converge at the focal point.

39. This kind of lens has a variable focal length.
flat - low contrast light
Bit
Zoom lens
Lower

40. Color systems divide all colors into which three measurements?
A change in illumination
Reciprocal relationship
Hue - Luminance - Saturation
To strike the side of the face away from the camera.

41. If an image is too blue - what color adjustment should be made in Photoshop to correct it?
Add yellow
Lower
Magenta
Levels adjustment

42. A tonal correction cannot be accomplished by using a...
The number of pixels per unit of length in a image
24 bits per pixel (8 per color) - which gives 16 -777 -216 colors
One stop less
hue/saturation adjustment layer

43. 8 bits per pixel gives you how many colors?
Short lighting.
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).
On a scanner; it guesses what the pixels look like in between the ones the scanner can actually measure.
256

44. If an image is too yellow - what color adjustment should be made in Photoshop to correct it?
Infinity
Add blue
Metadata
Bit

45. Whenever another image is copied or moved into a file - Photoshop automatically creates what?
Add magenta
A new layer
Blue
Metamerism

46. 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.
Use negative exposure compensation (underexpose). The meter will attempt to make the dark scene 18% grey - underexpose to bring it back to dark.
Depth of field
Internet = 72 dpi; Newspaper = 150 dpi; Photographic print = 240-300 dpi; Gloss magazine = 400 dpi

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

48. As the aperture becomes smaller - what happens to the depth of field?
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)
Click with the neutral-point dropper on the selected color
It increases
Follow focus

49. The relative aperture is equal to the lens focal length divided by what?
On a scanner; it guesses what the pixels look like in between the ones the scanner can actually measure.
Subtractive primaries (plus black)
Curves adjustment; Levels adjustment; Brighteness/Contrast adjustment
aperture diameter

50. Digital cameras use what set of primary colors?
A mirror and pentaprism
Additive (R - G - B)
RAID system
Add yellow