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. This type of file format compresses images by discarding pixels; therefore - each time an images is compressed - it loses pixels.
Bit
JPEG
1 1/3 stops
Depth of field

2. What are the effects of top lighting?
Creates deep shadows in eye pockets - under nose - and chin.
lengthen (or slow) the shutter speed
Shutter-Priority
Use negative exposure compensation (underexpose). The meter will attempt to make the dark scene 18% grey - underexpose to bring it back to dark.

3. An 8x10 at 240 dpi will have a resolution of what?
The pixels per inch a scanner is capable of capturing often described as two numbers (i.e. 1200x2400)
1920 pixels by 2400 pixels (4.6 million pixels)
A high contrast image
Add red

4. Maximum depth of field at a given aperture is achieved by focusing at what?
1 1/3 stops
A change in illumination
Dynamic range
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.

5. The smallest unit of digital information is called a what?
a sensor (or film's) sensitivity to light
Total number of pixels
Bit
5000K

6. Convex lenses cause light rays to do what?
The amount of information contained in each pixel
Sensor size - the larger the sensor size - the longer the focal length of a normal lens. (Corresponds to a diagonal line across the frame)
bend toward each other and converge at the focal point.
1 or 2

7. Panning does what?
8 bits
The distance between the lens rear nodal point and the focal plane when the lens is focused at infinity.
Keeps a moving subject sharp while blurring the background
All colors

8. When mixed in varying proportion - the subtractive primary colors produce what?
1 1/3 stops
All colors
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.
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.

9. All objects beyond the closest distance in focus will be sharp when this appears within the DOF scale.
Infinity
Shutter-priority
JPEG
8 bits

10. Why does a short lens create wide-angle distortion?
On a scanner; it guesses what the pixels look like in between the ones the scanner can actually measure.
Zoom lens
sensor
Because you can move in close to the subject

11. Photoshop's command for a simple way to start using color balance is what?
5000K
A new layer
Soft proofing
Variations command

12. What are quad- and hex- tone printing?
Inkjet black & white printing where color cartridges are replaced with shades of gray - resulting in smooth tones and slight color cast
Actual Pixel view
Shutter speed & aperture
Bit

13. How can you change the brightness of the background when using flash?
1) Use a longer lens; 2) Move closer to the subject
Aperture and shutter
8 stops
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.

14. What kind of lighting pattern is useful to widen a subject?
Broad lighting
JPEG
The difference between light and dark.
It increases

15. Sharpness from near to far is controlled by what?
Glossy paper
Infinity
lengthen (or slow) the shutter speed
Aperture

16. What is the usable exposure range - or range of subject brightness called?
Dynamic range
Metadata fields that hold info on photographer - subject - and use.
Contrast
Short lighting.

17. To minimize facial wrinkles - this type of lighting is best.
Add yellow
Front lighting
Add blue
1) Use a shorter focal length; 2) Move farther away from the subject

18. What does "photomacrograph" or "macrophotograph" mean?
Add blue
Close-ups that are life-size or larger. Images through microscopes are "photomicrographs."
aperture diameter
Direct sun at 11 -000 Kelvin

19. Resolution refers to what?
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.
Fisheye
The number of pixels per unit of length in a image
Curves adjustment; Levels adjustment; Brighteness/Contrast adjustment

20. How does 'unsharp mask' work?
Close-ups that are life-size or larger. Images through microscopes are "photomicrographs."
Along the lines of an imaginary grid at intersecting points that divide the image into thirds horizontally and vertically
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

21. To emphasize texture in a portrait - what kind of light source is recommended?
Reflected light meter
Keeps a moving subject sharp while blurring the background
Small light source at an angle to the subject
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)

22. What is the term used to describe human's change in perception of a color under different light sources?
Internet = 72 dpi; Newspaper = 150 dpi; Photographic print = 240-300 dpi; Gloss magazine = 400 dpi
Dynamic range
Metamerism
1920 pixels by 2400 pixels (4.6 million pixels)

23. The image transmitted by the lens is recorded by the 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.
Snoot
5 -000 Kelvin
sensor

24. A normal (or standard) focal length lens approximates what?
Glossy paper
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)
Soft proofing
The impression human vision gives

25. What determines what will be a 'normal' focal length lens on a particular camera?
Lower
Similar to a normal lens at about 30 degrees
JPEG
Sensor size - the larger the sensor size - the longer the focal length of a normal lens. (Corresponds to a diagonal line across the frame)

26. The area of acceptable sharpness in an image is called what?
A raster image
Black (0)
Depth of field
Aperture

27. What is the CCD or CMOS sensor?

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28. Tungsten is approximately what color temperature?
Add magenta
1/250th
3200 Kelvin
The sensor's sensitivity to light

29. This technique allows you to keep a subject that is moving toward you well focused.
Dynamic range
Follow focus
The number of pixels per unit of length in a image
1) Use a shorter focal length; 2) Move farther away from the subject

30. What is interpolated resolution?
On a scanner; it guesses what the pixels look like in between the ones the scanner can actually measure.
Yellow
1) Use a longer lens; 2) Move closer to the subject
A raster image

31. 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
Flattens out the volume of the subject and minimizes textures
Shutter-Priority
Inkjet black & white printing where color cartridges are replaced with shades of gray - resulting in smooth tones and slight color cast

32. What is the suggested shutter speed to stop action of a child running parallel to the film plan - about 25 feet from the camera?
ISO
1/250th
International Organization for Standardization
Short lighting.

33. What kind of meter is built in to most cameras?
Lower
Reflected light meter
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 brightness of the light that reaches the sensor

34. What do the bars on the left of a histogram represent?
No
Use and adjustment layer
Black (0)
Half as much light

35. Using this kind of automatic exposure setting on the camera - you set the aperture and the camera sets the shutter speed.
The brightness of the light that reaches the sensor
A RAW file that has been altered
Magenta
Aperture-Priority

36. Perspective is affected by what?
four times more
lens-to-subject distance
Sensor size - the larger the sensor size - the longer the focal length of a normal lens. (Corresponds to a diagonal line across the frame)
8 bits

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

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38. Whenever another image is copied or moved into a file - Photoshop automatically creates what?
3:1 or 4:1
1) Use a shorter focal length; 2) Move farther away from the subject
A new layer
Red - Yellow - Green - Cyan - Blue - Magenta

39. The amount of motion blur in an image will increase if you do what?
Yellow
lengthen (or slow) the shutter speed
Close-ups that are life-size or larger. Images through microscopes are "photomicrographs."
Small light source at an angle to the subject

40. What color is opposite Green on the color wheel?
Broad lighting
More of the background and foreground are sharp.
Magenta
Short lighting

41. This stores electronic images captured in a digital camera until they can be transferred to a computer.
Shutter-priority
The pixels per inch a scanner is capable of capturing often described as two numbers (i.e. 1200x2400)
Add green
Memory card / flash card / compact flash card

42. 8 bits per pixel gives you how many colors?
Selectively increasing print exposure - which will make select parts of the image darker
256
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.
Memory card / flash card / compact flash card

43. What is a color profile?
Add green
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).
1) Magnification - or the size of the subject; 2) Angle of view
The amount of information contained in each pixel

44. This light modifier can be used to highlight a specific area of the subject.
More of the background and foreground are sharp.
Curves adjustment; Levels adjustment; Brighteness/Contrast adjustment
Snoot
Dynamic range

45. What is the name of the technique used to make a monitor look like what you will see on your print?
Hue - Luminance - Saturation
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.
Curves adjustment; Levels adjustment; Brighteness/Contrast adjustment
Soft proofing

46. Can you save layers in a JPEG file format?
Levels adjustment
The brightness of all the pixels in an image
sensor
No

47. What is the name of the issue that prevents you from seeing exactly what the lens sees when using a rangefinder camera?
lengthen (or slow) the shutter speed
Parallax
No
Inkjet black & white printing where color cartridges are replaced with shades of gray - resulting in smooth tones and slight color cast

48. A histogram shows what in an image?
Aperture
A raster image
Add cyan
The brightness of all the pixels in an image

49. What kind of film can help reduce haze in a landscape?
The diaphragm - the mechanism that controls aperture.
Add blue
Infrared
flat - low contrast light

50. Stopping a lens down from f/8 to f/16 represents a X stop difference.
Two (f/8 > f/11 > f/16)
A new layer
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 blue