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. An image made of pixels is sometimes called what?
A raster image
Aperture
1) Magnification - or the size of the subject; 2) Angle of view
lengthen (or slow) the shutter speed

2. What is the term used to describe data contained in a digital image?
Metadata
One stop
In the middle
Maybe as little as 0.5 degrees or 1 degree

3. The term to describe the combination of aperture and shutter speed that can be changed by moving them in opposite directions.
Reciprocal relationship
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.
Blown highlights
Shutter-priority

4. 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?
Yellow
Shutter-priority
Infrared
Keeps a moving subject sharp while blurring the background

5. What color is between Magenta and Cyan on the color wheel?
Along the lines of an imaginary grid at intersecting points that divide the image into thirds horizontally and vertically
Blue
To strike the side of the face away from the camera.
sRGB

6. What angle of view does an incident meter read?
Maybe as little as 0.5 degrees or 1 degree
Very wide at about 180 degrees
Convex
It increases

7. Digital cameras use what set of primary colors?
Small light source at an angle to the subject
High Dynamic Range
four times more
Additive (R - G - B)

8. Can you save layers in a JPEG file format?
The diagonal measurement of the sensor.
No
factor of 2 = 1 stop compensation. (Each time a factor doubles - it's one additional stop)
International Organization for Standardization

9. What are the effects of high side lighting?
A change in illumination
Creates deep shadows in eye pockets - under nose - and chin.
Zoom lens
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.

10. Going clockwise around the color wheel - starting with RED - what is the progression of colors?
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.
Creates deep shadows in eye pockets - under nose - and chin.
Red - Yellow - Green - Cyan - Blue - Magenta
Selectively blocking light during print exposure to lighten the area

11. What does a neutral density filter do?
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)
Absorbs equal quantities of all wavelengths of light. It allows you to use wider apertures or slower shutter speeds without changing color balance.
Similar to a normal lens at about 30 degrees
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.

12. Printers use what set of colors?
5000K
Selectively blocking light during print exposure to lighten the area
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)
Subtractive primaries (plus black)

13. What is a BYTE?
The number of pixels per unit of length in a image
White (additive primaries are Red - Green Blue)
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.
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.

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

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15. Whenever another image is copied or moved into a file - Photoshop automatically creates what?
Levels adjustment
A new layer
Yellow
Selecting portions of the image based on color

16. Bit depth refers to what?
Similar to a normal lens at about 30 degrees
The diaphragm - the mechanism that controls aperture.
Infinity
The amount of information contained in each pixel

17. As the aperture is stopped down - what happens to sharpness?
stopped down
A mirror and pentaprism
Add yellow
More of the background and foreground are sharp.

18. If an image is too green - what color adjustment should be made in Photoshop to correct it?
Additive (R - G - B)
lengthen (or slow) the shutter speed
Add magenta
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

19. when adjusting an image with levels - if you want to make any color neutral quickly - what would you do?
A new layer
Lower
Keeps a moving subject sharp while blurring the background
Click with the neutral-point dropper on the selected color

20. What is TTL?
5 -000 Kelvin
3:1 or 4:1
No change. The EXPOSURE doesn't change or it would also change the background as well. Move the lights to adjust.
Through the Lens. A camera that can automatically control flash exposure using sensors inside the camera.

21. Color systems divide all colors into which three measurements?
The diagonal measurement of the sensor.
1) Use a shorter focal length; 2) Move farther away from the subject
Depth of field
Hue - Luminance - Saturation

22. In a digital image - the images file sizes corresponds to the total number of what in the image?
The entire range of colors that can be seen - reproduced - or captured. Our eyes have a greater gamut than a print or monitor.
flat - low contrast light
Total number of pixels
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.

23. Generally - how much exposure compensation (in stops) should be used when using a polarizing filter?
In the middle
1 1/3 stops
Aperture-Priority
emphasizes textures

24. This kind of lens has a variable focal length.
Sensor size - the larger the sensor size - the longer the focal length of a normal lens. (Corresponds to a diagonal line across the frame)
The amount of light reflected back from the subject during exposure.
Zoom lens
Dynamic range

25. Name 2 ways you can decrease depth of field.
Inkjet black & white printing where color cartridges are replaced with shades of gray - resulting in smooth tones and slight color cast
1) Use a longer lens; 2) Move closer to the subject
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.
8 stops

26. How is brightness and contrast best controlled in Photoshop?
To send accurate color requirements to a printer.
Levels adjustment
Dynamic range
1/250th

27. As the aperture becomes smaller - what happens to the depth of field?
Add magenta
The amount of information contained in each pixel
It increases
The difference between light and dark.

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

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29. What angle of view does a reflected light meter read?
Yellow
Keeps a moving subject sharp while blurring the background
Click with the neutral-point dropper on the selected color
Similar to a normal lens at about 30 degrees

30. What is a flag?
Glossy paper
Contrast
Additive (R - G - B)
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

31. What kind of meter is built in to most cameras?
Add magenta
The brightness of all the pixels in an image
Reflected light meter
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

32. What angle should a polarizing filter be to the sun for best results?
3200 Kelvin
Variations command
Yellow
90 degrees. If using to eliminate reflections - it should be used at 35 degrees.

33. The histogram of a properly exposed grey card will show a vertical bar where on the histogram?
No
sensor
Infinity
In the middle

34. What is a Bit?
Follow focus
3200 Kelvin
Selectively increasing print exposure - which will make select parts of the image darker
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.

35. Copyright law has certain built-in exceptions that allow for special situations in using copyrighted material. They are called what?
Blue & Green
Snoot
Fair Use
White (additive primaries are Red - Green Blue)

36. What is the best color profile for web images?
Levels adjustment
sRGB
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.
90 degrees. If using to eliminate reflections - it should be used at 35 degrees.

37. A magic wand tool is used for what?
Selecting portions of the image based on color
lengthen (or slow) the shutter speed
Broad lighting
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.

38. What is a color profile?
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).
Add cyan
Use and adjustment layer
A change in illumination

39. What Photoshop tool allows you to select an area of any size or shape by drawing freehand?
Convex
Lasso tool
Levels adjustment
Blue & Green

40. If an image is too magenta - what color adjustment should be made in Photoshop to correct it?
3:1 or 4:1
Add green
1) Use a longer lens; 2) Move closer to the subject
Metadata fields that hold info on photographer - subject - and use.

41. This light modifier can be used to highlight a specific area of the subject.
Snoot
Fisheye
The diaphragm - the mechanism that controls aperture.
Fair Use

42. 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?
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)
8 stops
One stop

43. An 8x10 at 240 dpi will have a resolution of what?
3200 Kelvin
Close-ups that are life-size or larger. Images through microscopes are "photomicrographs."
Additive (R - G - B)
1920 pixels by 2400 pixels (4.6 million pixels)

44. What do the bars on the right of a histogram represent?
Sensor size - the larger the sensor size - the longer the focal length of a normal lens. (Corresponds to a diagonal line across the frame)
White (255)
Selectively blocking light during print exposure to lighten the area
A new layer

45. 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 1/3 stops
Add red
1/250th
A mirror and pentaprism

46. Name 3 ways to make a tonal adjustment in Photoshop.
One stop less
stopped down
emphasizes textures
Curves adjustment; Levels adjustment; Brighteness/Contrast adjustment

47. Sharpness from near to far is controlled by what?
lengthen (or slow) the shutter speed
One stop less
Aperture
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. How does 'unsharp mask' work?
The amount of information contained in each pixel
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.
Cyan
Follow focus

49. What is the term used to describe human's change in perception of a color under different light sources?
Incident light meter
Shutter-Priority
Metamerism
The distance between the lens rear nodal point and the focal plane when the lens is focused at infinity.

50. All objects beyond the closest distance in focus will be sharp when this appears within the DOF scale.
Infinity
JPEG
Variations command
1920 pixels by 2400 pixels (4.6 million pixels)