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. 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
Incident light meter
The brightness of the light that reaches the sensor

2. A technique used to maintain sharp focus on a subject that is moving toward you is called what?
Follow focus
A change in illumination
Selectively blocking light during print exposure to lighten the area
emphasizes textures

3. What is the usable exposure range - or range of subject brightness called?
Additive (R - G - B)
Red - Yellow - Green - Cyan - Blue - Magenta
Dynamic range
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.

4. What is a BYTE?
Red - Yellow - Green - Cyan - Blue - Magenta
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.
Total number of pixels
1920 pixels by 2400 pixels (4.6 million pixels)

5. Daylight is approximately what color temperature?
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.
Absorbs equal quantities of all wavelengths of light. It allows you to use wider apertures or slower shutter speeds without changing color balance.
5 -000 Kelvin

6. A 1:1 lighting ratio produces what lighting result?
Flat lighting
Because you can move in close to the subject
In the middle
Front lighting

7. What kind of meter is built in to most cameras?
bend toward each other and converge at the focal point.
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.
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.
Reflected light meter

8. Doubling the aperture setting creates how many stops difference in the amount of light reaching the sensor?
Infrared
The diaphragm - the mechanism that controls aperture.
One stop
Broad lighting

9. Generally - traditional portraits use what lighting ratio?
stopped down
a sensor (or film's) sensitivity to light
To strike the side of the face away from the camera.
3:1 or 4:1

10. Maximum depth of field at a given aperture is achieved by focusing at what?
Very wide at about 180 degrees
Front lighting
No
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.

11. What is the term used to describe human's change in perception of a color under different light sources?
Metamerism
Add cyan
The diagonal measurement of the sensor.
bend toward each other and converge at the focal point.

12. What kind of light will be produced when using a large white umbrella close to a subject?
flat - low contrast light
Red - Yellow - Green - Cyan - Blue - Magenta
Yellow
3:1 or 4:1

13. The quantity of light that reaches your sensor is controlled by what?
Shutter speed & aperture
The sensor's sensitivity to light
flat - low contrast light
Click with the neutral-point dropper on the selected color

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

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15. What is the best color profile for web images?
four times more
sRGB
Shutter-priority
5 -000 Kelvin

16. Cyan is composed of equal parts of what two colors?
1/250th
Blue & Green
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.

17. If an image is too green - what color adjustment should be made in Photoshop to correct it?
Add magenta
Red - Yellow - Green - Cyan - Blue - Magenta
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.
More of the background and foreground are sharp.

18. What is the CCD or CMOS sensor?

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19. Aperture controls what?
8 bits
Soft proofing
aperture diameter
The brightness of the light that reaches the sensor

20. What do the bars on the left of a histogram represent?
Black (0)
Fisheye
The brightness of the light that reaches the sensor
No change. The EXPOSURE doesn't change or it would also change the background as well. Move the lights to adjust.

21. A histogram with peaks on either end of the histogram and a deep valley in between represents what?
A high contrast image
Metadata fields that hold info on photographer - subject - and use.
Add yellow
Metamerism

22. Perspective is affected by what?
lens-to-subject distance
The pixels per inch a scanner is capable of capturing often described as two numbers (i.e. 1200x2400)
Front lighting
Use negative exposure compensation (underexpose). The meter will attempt to make the dark scene 18% grey - underexpose to bring it back to dark.

23. The smallest unit of digital information is called a what?
Bit
All colors
The brightness of all the pixels in an image
Add blue

24. What is a color profile?
Butterfly 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).
No
The difference between light and dark.

25. Using this kind of automatic exposure setting on the camera - you set the aperture and the camera sets the shutter speed.
Curves adjustment; Levels adjustment; Brighteness/Contrast adjustment
The pixels per inch a scanner is capable of capturing often described as two numbers (i.e. 1200x2400)
Aperture-Priority
Total number of pixels

26. What is a derivative file?
A RAW file that has been altered
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)
To strike the side of the face away from the camera.
1) Magnification - or the size of the subject; 2) Angle of view

27. If an image is too blue - what color adjustment should be made in Photoshop to correct it?
1) Use a shorter focal length; 2) Move farther away from the subject
Add yellow
Levels adjustment
Maybe as little as 0.5 degrees or 1 degree

28. Copyright law has certain built-in exceptions that allow for special situations in using copyrighted material. They are called what?
Aperture-priority
Aperture - focal length - and distance to the subject
Convex
Fair Use

29. What is dodging?
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.
Selectively blocking light during print exposure to lighten the area
Total number of pixels

30. What does "photomacrograph" or "macrophotograph" mean?
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 magenta
Close-ups that are life-size or larger. Images through microscopes are "photomicrographs."
bend toward each other and converge at the focal point.

31. What color is opposite Green on the color wheel?
dynamic range (not to be confused with gamut)
Similar to a normal lens at about 30 degrees
Hue - Luminance - Saturation
Magenta

32. Sharpness from near to far is controlled by what?
In the middle
Aperture
Variations command
White (255)

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

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34. This technique allows you to keep a subject that is moving toward you well focused.
The number of pixels per unit of length in a image
Follow focus
Two (f/8 > f/11 > f/16)
1/250th

35. When the size of the aperture is decreased - it is said to be what?
stopped down
1/250th
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.
Blue & Green

36. The greatest tonal range from black to white is achievable on what kind of paper?
Glossy paper
Add green
It increases
A simple lens with two curved sides or one curved and one flat side; found in a compound lens.

37. What is a flag?
Curves adjustment; Levels adjustment; Brighteness/Contrast adjustment
In the middle
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
Aperture-priority

38. This light modifier can be used to highlight a specific area of the subject.
Snoot
To create a 1-stop difference - multiply the original distance by 1.4. Example - if you were originally 5 feet away - a 1-stop difference would have you step back to 7 feet.
White (255)
Red - Yellow - Green - Cyan - Blue - Magenta

39. What would you use an ICC profile for?
Yellow
emphasizes textures
90 degrees. If using to eliminate reflections - it should be used at 35 degrees.
To send accurate color requirements to a printer.

40. Name 3 ways to make a tonal adjustment in Photoshop.
Memory card / flash card / compact flash card
Levels adjustment
Total number of pixels
Curves adjustment; Levels adjustment; Brighteness/Contrast adjustment

41. What do the bars on the right of a histogram represent?
Fisheye
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.
3:1 or 4:1
White (255)

42. What is interpolated resolution?
To create a 1-stop difference - multiply the original distance by 1.4. Example - if you were originally 5 feet away - a 1-stop difference would have you step back to 7 feet.
On a scanner; it guesses what the pixels look like in between the ones the scanner can actually measure.
Similar to a normal lens at about 30 degrees
sensor

43. What is the term used to describe a sensor's sensitivity to light?
ISO
Keeps a moving subject sharp while blurring the background
Short lighting.
Use and adjustment layer

44. A normal (or standard) focal length lens approximates what?
High Dynamic Range
The diagonal measurement of the sensor.
The impression human vision gives
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.

45. This stores electronic images captured in a digital camera until they can be transferred to a computer.
Memory card / flash card / compact flash card
Curves adjustment; Levels adjustment; Brighteness/Contrast adjustment
Similar to a normal lens at about 30 degrees
sRGB

46. This viewing option gives you the most accurate version of your image in Photoshop.
Add green
Actual Pixel view
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.
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)

47. What do TTL systems react to?
Keeps a moving subject sharp while blurring the background
Very wide at about 180 degrees
The amount of light reflected back from the subject during exposure.
To create a 1-stop difference - multiply the original distance by 1.4. Example - if you were originally 5 feet away - a 1-stop difference would have you step back to 7 feet.

48. What image adjustment tool uses a histogram display to alter an image?
The brightness of the light that reaches the sensor
Levels adjustment
Maybe as little as 0.5 degrees or 1 degree
Memory card / flash card / compact flash card

49. An 8x10 at 240 dpi will have a resolution of what?
Subtractive primaries (plus black)
Contrast
1920 pixels by 2400 pixels (4.6 million pixels)
hue/saturation adjustment layer

50. 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?
Selectively increasing print exposure - which will make select parts of the image darker
hue/saturation adjustment layer
One stop
four times more