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 are quad- and hex- tone printing?
Cyan
Inkjet black & white printing where color cartridges are replaced with shades of gray - resulting in smooth tones and slight color cast
Variations command
Soft proofing

2. What image adjustment tool uses a histogram display to alter an image?
Short lighting
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.
Levels adjustment
Yellow

3. If an image is too red - what color adjustment should be made in Photoshop to correct it?
Aperture - focal length - and distance to the subject
Shutter speed & aperture
Add cyan
hue/saturation adjustment layer

4. when adjusting an image with levels - if you want to make any color neutral quickly - what would you do?
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.
Click with the neutral-point dropper on the selected color
The diagonal measurement of the sensor.
Selectively blocking light during print exposure to lighten the area

5. The relative aperture is equal to the lens focal length divided by what?
aperture diameter
factor of 2 = 1 stop compensation. (Each time a factor doubles - it's one additional stop)
Direct sun at 11 -000 Kelvin
All colors

6. Doubling the aperture setting creates how many stops difference in the amount of light reaching the sensor?
Similar to a normal lens at about 30 degrees
Soft proofing
Half as much light
One stop

7. The smallest unit of digital information is called a what?
Aperture-Priority
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.
Bit
Along the lines of an imaginary grid at intersecting points that divide the image into thirds horizontally and vertically

8. What does ISO stand for?
Maybe as little as 0.5 degrees or 1 degree
White (additive primaries are Red - Green Blue)
International Organization for Standardization
The brightness of all the pixels in an image

9. A 1:1 lighting ratio produces what lighting result?
Flat lighting
The amount of light reflected back from the subject during exposure.
Cyan
Internet = 72 dpi; Newspaper = 150 dpi; Photographic print = 240-300 dpi; Gloss magazine = 400 dpi

10. A ring of thin - overlapping leaves located inside the lens is called what?
Aperture - focal length - and distance to the subject
The diaphragm - the mechanism that controls aperture.
Fisheye
Follow focus

11. Cyan is composed of equal parts of what two colors?
Along the lines of an imaginary grid at intersecting points that divide the image into thirds horizontally and vertically
Cyan
Click with the neutral-point dropper on the selected color
Blue & Green

12. What would you use an ICC profile for?
Add cyan
A raster image
To send accurate color requirements to a printer.
Blue & Green

13. Name 2 ways you can decrease depth of field.
Red - Yellow - Green - Cyan - Blue - Magenta
1) Use a longer lens; 2) Move closer to the subject
Actual Pixel view
Aperture

14. A magic wand tool is used for what?
Flattens out the volume of the subject and minimizes textures
Half as much light
Selecting portions of the image based on color
Incident light meter

15. Going clockwise around the color wheel - starting with RED - what is the progression of colors?
International Organization for Standardization
Hue - Luminance - Saturation
Red - Yellow - Green - Cyan - Blue - Magenta
stopped down

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

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17. The area of acceptable sharpness in an image is called 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.
Depth of field
Short lighting
Lasso tool

18. What is dodging?
Half as much light
Selectively blocking light during print exposure to lighten the area
Reflected light meter
Blue

19. As the aperture becomes smaller - what happens to the depth of field?
The number of pixels per unit of length in a image
aperture diameter
1) Use a longer lens; 2) Move closer to the subject
It increases

20. 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?
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
Use positive exposure compensation (overexposure). A reflected meter reading will attempt to make the scene 18% gray - employ overexposure to adjust.
Yellow
RAID system

21. 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?
A new layer
Aperture-priority
Black. Subtractive primaries are Magenta - Yellow - Cyan
Click with the neutral-point dropper on the selected color

22. How would you define exposure in mathematical terms?
The brightness of all the pixels in an image
(X times Y = exposure) Intensity (aperture) x Time (shutter)
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.
1/250th

23. A histogram shows what in an image?
Along the lines of an imaginary grid at intersecting points that divide the image into thirds horizontally and vertically
Curves adjustment; Levels adjustment; Brighteness/Contrast adjustment
The brightness of all the pixels in an image
A simple lens with two curved sides or one curved and one flat side; found in a compound lens.

24. In a digital image - the images file sizes corresponds to the total number of what in the image?
Butterfly lighting
ISO
Total number of pixels
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.

25. What is interpolated resolution?
dynamic range (not to be confused with gamut)
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.
Selecting portions of the image based on color

26. 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?
Yellow
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.
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.
Bit

27. Focal length controls what?
Contrast
1) Magnification - or the size of the subject; 2) Angle of view
Memory card / flash card / compact flash card
Shutter-Priority

28. 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?
Lower
Shutter-priority
sRGB
Blue

29. What is a thyristor?
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.
Aperture - focal length - and distance to the subject
Add magenta
It increases

30. Generally - traditional portraits use what lighting ratio?
More of the background and foreground are sharp.
Selectively increasing print exposure - which will make select parts of the image darker
Broad lighting
3:1 or 4:1

31. What is the term used to describe human's change in perception of a color under different light sources?
9
Add cyan
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
Metamerism

32. This type of file format compresses images by discarding pixels; therefore - each time an images is compressed - it loses pixels.
Fair Use
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.
JPEG
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.

33. How is brightness and contrast best controlled in Photoshop?
A mirror and pentaprism
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.
Levels adjustment
Two (f/8 > f/11 > f/16)

34. What are the effects of top lighting?
The brightness of all the pixels in an image
Follow focus
Fair Use
Creates deep shadows in eye pockets - under nose - and chin.

35. An in-camera reflected meter reading a very dark scene indicates an exposure of 1/250th at f/8. For a correct exposure - what should you do?
The sensor's sensitivity to light
Convex
Use negative exposure compensation (underexpose). The meter will attempt to make the dark scene 18% grey - underexpose to bring it back to dark.
The pixels per inch a scanner is capable of capturing often described as two numbers (i.e. 1200x2400)

36. When the additive primaries are mixed together equally - what is created?
1 or 2
Very wide at about 180 degrees
Because you can move in close to the subject
White (additive primaries are Red - Green Blue)

37. How does 'unsharp mask' work?
256
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.
Add blue
Lasso tool

38. 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?
JPEG
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).
5000K
a sensor (or film's) sensitivity to light

39. Can you save layers in a JPEG file format?
Fisheye
No
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)
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.

40. This type of backup system is fault-tolerant because it creates redundant data.
Add magenta
RAID system
Flat lighting
Reciprocal relationship

41. Most lenses are sharpest closed down to how many stops from the widest?
1 or 2
Zoom lens
A new layer
The sensor's sensitivity to light

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

43. What is a flag?
Aperture - focal length - and distance to the subject
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
Flat lighting
Through the Lens. A camera that can automatically control flash exposure using sensors inside the camera.

44. A normal (or standard) focal length lens approximates what?
The brightness of the light that reaches the sensor
The impression human vision gives
Soft proofing
Zoom lens

45. When the size of the aperture is decreased - it is said to be what?
Levels adjustment
On a scanner; it guesses what the pixels look like in between the ones the scanner can actually measure.
stopped down
A high contrast image

46. What is the usable exposure range - or range of subject brightness called?
Dynamic range
Bit
Levels adjustment
The pixels per inch a scanner is capable of capturing often described as two numbers (i.e. 1200x2400)

47. What are the effects of high side lighting?
Glossy paper
International Organization for Standardization
Infinity
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.

48. Tungsten is approximately what color temperature?
3200 Kelvin
lens-to-subject distance
The impression human vision gives
Use and adjustment layer

49. What two controls adjust the amount of light that reaches the sensor?
Aperture and shutter
Actual Pixel view
a sensor (or film's) sensitivity to light
Infrared

50. If an image is too yellow - what color adjustment should be made in Photoshop to correct it?
Close-ups that are life-size or larger. Images through microscopes are "photomicrographs."
Add blue
bend toward each other and converge at the focal point.
All colors