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. In a digital image - the images file sizes corresponds to the total number of what in the image?
Inkjet black & white printing where color cartridges are replaced with shades of gray - resulting in smooth tones and slight color cast
Total number of pixels
Infinity
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.

2. This stores electronic images captured in a digital camera until they can be transferred to a computer.
1 or 2
Memory card / flash card / compact flash card
Lower
Shutter speed & aperture

3. What is gamut?
24 bits per pixel (8 per color) - which gives 16 -777 -216 colors
The diaphragm - the mechanism that controls aperture.
Bit
The entire range of colors that can be seen - reproduced - or captured. Our eyes have a greater gamut than a print or monitor.

4. A technique used to maintain sharp focus on a subject that is moving toward you is called what?
Follow focus
Glossy paper
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.
The diagonal measurement of the sensor.

5. A general purpose lens will provide an f-stop range of up to how many?
factor of 2 = 1 stop compensation. (Each time a factor doubles - it's one additional stop)
In the middle
8 stops
The amount of information contained in each pixel

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

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7. What is focal length - technically?
The pixels per inch a scanner is capable of capturing often described as two numbers (i.e. 1200x2400)
Metamerism
Shutter speed & aperture
The distance between the lens rear nodal point and the focal plane when the lens is focused at infinity.

8. What kind of lighting patter is useful to narrow a face?
Memory card / flash card / compact flash card
Short lighting
Blue
Through the Lens. A camera that can automatically control flash exposure using sensors inside the camera.

9. Perspective is affected by what?
A raster image
flat - low contrast light
Similar to a normal lens at about 30 degrees
lens-to-subject distance

10. An 8x10 at 240 dpi will have a resolution of what?
Add red
Levels adjustment
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.
1920 pixels by 2400 pixels (4.6 million pixels)

11. An SLR camera uses what to allow you to see exactly what you'll photograph?
stopped down
Reflected light meter
A mirror and pentaprism
(X times Y = exposure) Intensity (aperture) x Time (shutter)

12. Whenever another image is copied or moved into a file - Photoshop automatically creates what?
Two (f/8 > f/11 > f/16)
Curves adjustment; Levels adjustment; Brighteness/Contrast adjustment
bend toward each other and converge at the focal point.
A new layer

13. In a curves adjustment layer - what does the shape of the curve indicate?
Snoot
No change. The EXPOSURE doesn't change or it would also change the background as well. Move the lights to adjust.
Metadata
Contrast

14. A lens set at f/4 admits how much more/less light than one set at f/2.8?
Shutter speed & aperture
Follow focus
Half as much light
Yellow

15. Stopping a lens down from f/8 to f/16 represents a X stop difference.
8 stops
Two (f/8 > f/11 > f/16)
Follow focus
In the middle

16. What does a neutral density filter do?
Creates deep shadows in eye pockets - under nose - and chin.
Aperture - focal length - and distance to the subject
Absorbs equal quantities of all wavelengths of light. It allows you to use wider apertures or slower shutter speeds without changing color balance.
Variations command

17. A magic wand tool is used for what?
Incident light meter
Shutter speed & aperture
The sensor that converts the image from analog to digital (1's and 0's) CCD=charge coupled device; CMOS=complementary metal-oxide semiconductor
Selecting portions of the image based on color

18. The term to describe the combination of aperture and shutter speed that can be changed by moving them in opposite directions.
Reciprocal relationship
1 1/3 stops
The diaphragm - the mechanism that controls aperture.
lengthen (or slow) the shutter speed

19. Can you save layers in a JPEG file format?
Reflected light meter
Infinity
Variations command
No

20. If an image is too green - what color adjustment should be made in Photoshop to correct it?
Blue & Green
The brightness of all the pixels in an image
Add magenta
Aperture

21. Contrast measures what in a print?
Magenta
Click with the neutral-point dropper on the selected color
The difference between light and dark.
Additive (R - G - B)

22. How is brightness and contrast best controlled in Photoshop?
Keeps a moving subject sharp while blurring the background
To strike the side of the face away from the camera.
9
Levels adjustment

23. All objects beyond the closest distance in focus will be sharp when this appears within the DOF scale.
Soft proofing
On a scanner; it guesses what the pixels look like in between the ones the scanner can actually measure.
Infinity
emphasizes textures

24. What determines what will be a 'normal' focal length lens on a particular camera?
All colors
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.
Fisheye
Sensor size - the larger the sensor size - the longer the focal length of a normal lens. (Corresponds to a diagonal line across the frame)

25. If an image is too cyan - what color adjustment should be made in Photoshop to correct it?
The amount of information contained in each pixel
Add red
dynamic range (not to be confused with gamut)
Flat lighting

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?
Use negative exposure compensation (underexpose). The meter will attempt to make the dark scene 18% grey - underexpose to bring it back to dark.
Yellow
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) Magnification - or the size of the subject; 2) Angle of view

27. To emphasize texture in a portrait - what kind of light source is recommended?
Aperture and shutter
Small light source at an angle 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.
Maybe as little as 0.5 degrees or 1 degree

28. Why does a short lens create wide-angle distortion?
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.
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.
Use and adjustment layer
Because you can move in close to the subject

29. Generally - traditional portraits use what lighting ratio?
Follow focus
Blue
3:1 or 4:1
RAID system

30. What are quad- and hex- tone printing?
Curves adjustment; Levels adjustment; Brighteness/Contrast adjustment
Inkjet black & white printing where color cartridges are replaced with shades of gray - resulting in smooth tones and slight color cast
Half as much light
Selectively increasing print exposure - which will make select parts of the image darker

31. What is the term used to describe a sensor's sensitivity to light?
ISO
To strike the side of the face away from the camera.
Internet = 72 dpi; Newspaper = 150 dpi; Photographic print = 240-300 dpi; Gloss magazine = 400 dpi
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.

32. What would you use an ICC profile for?
Add yellow
Infinity
Black (0)
To send accurate color requirements to a printer.

33. The relative aperture is equal to the lens focal length divided by what?
A change in illumination
aperture diameter
White (255)
Red - Yellow - Green - Cyan - Blue - Magenta

34. The smallest unit of digital information is called a what?
aperture diameter
Use positive exposure compensation (overexposure). A reflected meter reading will attempt to make the scene 18% gray - employ overexposure to adjust.
In the middle
Bit

35. What image adjustment tool uses a histogram display to alter an image?
To strike the side of the face away from the camera.
Cyan
lengthen (or slow) the shutter speed
Levels adjustment

36. 8 bits per pixel gives you how many colors?
Add yellow
256
Yellow
sRGB

37. Convex lenses cause light rays to do what?
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.
bend toward each other and converge at the focal point.
Two (f/8 > f/11 > f/16)
Yellow

38. How much resolution do you need for: Internet? Newspaper? Photographic print? Glossy magazine?
Infrared
Internet = 72 dpi; Newspaper = 150 dpi; Photographic print = 240-300 dpi; Gloss magazine = 400 dpi
Follow focus
sRGB

39. Using this kind of automatic exposure setting on the camera - you set the shutter speed and the camera sets the aperture.
The amount of light reflected back from the subject during exposure.
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)
Shutter-Priority
Aperture-Priority

40. Aperture controls what?
Aperture and shutter
The pixels per inch a scanner is capable of capturing often described as two numbers (i.e. 1200x2400)
The brightness of the light that reaches the sensor
8 stops

41. In the 20th century - black & white photographers used the Zone system to tame excessive contrast. Now - digital photographers use what?
White (additive primaries are Red - Green Blue)
Variations command
High Dynamic Range
Curves adjustment; Levels adjustment; Brighteness/Contrast adjustment

42. What is the term used to describe data contained in a digital image?
Metadata
Close-ups that are life-size or larger. Images through microscopes are "photomicrographs."
Aperture - focal length - and distance to the subject
White (255)

43. This type of backup system is fault-tolerant because it creates redundant data.
RAID system
sRGB
1) Use a longer lens; 2) Move closer to the subject
Butterfly lighting

44. What are the effects of high side lighting?
A RAW file that has been altered
1) Use a shorter focal length; 2) Move farther away from the subject
Follow focus
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.

45. What kind of lighting pattern is best for average oval faces and round faces you want to slim?
The difference between light and dark.
A raster image
In the middle
Short lighting.

46. This technique allows you to keep a subject that is moving toward you well focused.
Because you can move in close to the subject
The amount of information contained in each pixel
Follow focus
Maybe as little as 0.5 degrees or 1 degree

47. What color is opposite Green on the color wheel?
Magenta
Cyan
Similar to a normal lens at about 30 degrees
9

48. 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 1/3 stops
Aperture-priority
Selecting portions of the image based on color
Zoom lens

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

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50. Resolution refers to what?
The number of pixels per unit of length in a image
A mirror and pentaprism
3200 Kelvin
Add red