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. How is brightness and contrast best controlled in Photoshop?
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)
The diagonal measurement of the sensor.
International Organization for Standardization
Levels adjustment

2. Contrast measures what in a print?
Very wide at about 180 degrees
Glossy paper
The difference between light and dark.
Maybe as little as 0.5 degrees or 1 degree

3. when adjusting an image with levels - if you want to make any color neutral quickly - what would you do?
Short lighting
Click with the neutral-point dropper on the selected color
Levels adjustment
5 -000 Kelvin

4. 8 bits per pixel gives you how many colors?
Memory card / flash card / compact flash card
Total number of pixels
The pixels per inch a scanner is capable of capturing often described as two numbers (i.e. 1200x2400)
256

5. The histogram of a properly exposed grey card will show a vertical bar where on the histogram?
In the middle
Aperture-Priority
The brightness of all the pixels in an image
Add blue

6. What is burning?
A change in illumination
Selectively increasing print exposure - which will make select parts of the image darker
Through the Lens. A camera that can automatically control flash exposure using sensors inside the camera.
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

7. What image adjustment tool uses a histogram display to alter an image?
Levels adjustment
8 stops
a sensor (or film's) sensitivity to light
JPEG

8. A ring of thin - overlapping leaves located inside the lens is called what?
Infrared
Yellow
The diaphragm - the mechanism that controls aperture.
Aperture-priority

9. Using this kind of automatic exposure setting on the camera - you set the shutter speed and the camera sets the aperture.
flat - low contrast light
Shutter-Priority
Follow focus
White (255)

10. What are the effects of high side lighting?
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.
90 degrees. If using to eliminate reflections - it should be used at 35 degrees.
3200 Kelvin
Shutter speed & aperture

11. Stopping a lens down from f/8 to f/16 represents a X stop difference.
Shutter-Priority
Two (f/8 > f/11 > f/16)
A raster image
dynamic range (not to be confused with gamut)

12. In the 20th century - black & white photographers used the Zone system to tame excessive contrast. Now - digital photographers use what?
High Dynamic Range
Selectively blocking light during print exposure to lighten the area
A mirror and pentaprism
Blue & Green

13. If an image is too cyan - what color adjustment should be made in Photoshop to correct it?
Short lighting.
Add red
The brightness of the light that reaches the sensor
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.

14. Panning does what?
RAID system
256
Metamerism
Keeps a moving subject sharp while blurring the background

15. Using this kind of automatic exposure setting on the camera - you set the aperture and the camera sets the shutter speed.
Inkjet black & white printing where color cartridges are replaced with shades of gray - resulting in smooth tones and slight color cast
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
Shutter-Priority
Aperture-Priority

16. What would you use an ICC profile for?
Subtractive primaries (plus black)
sensor
To send accurate color requirements to a printer.
Follow focus

17. A general purpose lens will provide an f-stop range of up to how many?
8 stops
Blue
5 -000 Kelvin
The brightness of all the pixels in an image

18. Sharpness from near to far is controlled by what?
International Organization for Standardization
Aperture
Infinity
The sensor that converts the image from analog to digital (1's and 0's) CCD=charge coupled device; CMOS=complementary metal-oxide semiconductor

19. What is the general rule of thumb for the measurement of a 'normal' lens?
Blown highlights
The diagonal measurement of the sensor.
Add blue
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)

20. What are the three main factors that affect depth of field?
Metadata
Aperture - focal length - and distance to the subject
To strike the side of the face away from the camera.
Blue & Green

21. Tungsten is approximately what color temperature?
3200 Kelvin
Depth of field
High Dynamic Range
Blown highlights

22. When the size of the aperture is decreased - it is said to be what?
Metamerism
stopped down
Use positive exposure compensation (overexposure). A reflected meter reading will attempt to make the scene 18% gray - employ overexposure to adjust.
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.

23. What is an element and where is it found?
The amount of information contained in each pixel
A simple lens with two curved sides or one curved and one flat side; found in a compound lens.
Infinity
The amount of light reflected back from the subject during exposure.

24. What is a thyristor?
Click with the neutral-point dropper on the selected color
Aperture-Priority
It increases
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.

25. What is a color profile?
Hue - Luminance - Saturation
bend toward each other and converge at the focal point.
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.
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).

26. The greatest tonal range from black to white is achievable on what kind of paper?
Glossy paper
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.
Infinity
Yellow

27. What kind of light will be produced when using a large white umbrella close to a subject?
Shutter-Priority
Aperture and shutter
flat - low contrast light
1) Use a longer lens; 2) Move closer to the subject

28. The area of acceptable sharpness in an image is called what?
Short lighting
Because you can move in close to the subject
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.
Depth of field

29. What are quad- and hex- tone printing?
Subtractive primaries (plus black)
9
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.
Inkjet black & white printing where color cartridges are replaced with shades of gray - resulting in smooth tones and slight color cast

30. Whenever another image is copied or moved into a file - Photoshop automatically creates what?
The difference between light and dark.
A new layer
emphasizes textures
To strike the side of the face away from the camera.

31. The useable exposure range of a sensor - or the range of subject brightness is called what?
dynamic range (not to be confused with gamut)
A new layer
Levels adjustment
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.

32. The relative aperture is equal to the lens focal length divided by what?
Add magenta
A high contrast image
The amount of information contained in each pixel
aperture diameter

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

34. Instead of permanently altering your image when adjusting for color and value - what should you do?
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.
The number of pixels per unit of length in a image
emphasizes textures
Use and adjustment layer

35. 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?
four times more
Add cyan
Add red
It increases

36. Color systems divide all colors into which three measurements?
The amount of information contained in each pixel
Aperture
Hue - Luminance - Saturation
Lasso tool

37. 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?
Close-ups that are life-size or larger. Images through microscopes are "photomicrographs."
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).
Shutter-priority
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.

38. What do the bars on the left of a histogram represent?
Incident light meter
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.
Half as much light
Black (0)

39. What is interpolated resolution?
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
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.
Small light source at an angle to the subject

40. A normal (or standard) focal length lens approximates what?
dynamic range (not to be confused with gamut)
Infrared
Broad lighting
The impression human vision gives

41. When mixed in varying proportion - the subtractive primary colors produce what?
All colors
1/250th
A RAW file that has been altered
Reflected light meter

42. Photoshop's command for a simple way to start using color balance is what?
Variations command
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 all the pixels in an image
Memory card / flash card / compact flash card

43. Generally - traditional portraits use what lighting ratio?
The entire range of colors that can be seen - reproduced - or captured. Our eyes have a greater gamut than a print or monitor.
1 or 2
3:1 or 4:1
Use and adjustment layer

44. Why is depth of field greater on a short lens versus a long lens?
Butterfly lighting
The pixels per inch a scanner is capable of capturing often described as two numbers (i.e. 1200x2400)
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).
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.

45. A 1:1 lighting ratio produces what lighting result?
Flat lighting
The impression human vision gives
lens-to-subject distance
The pixels per inch a scanner is capable of capturing often described as two numbers (i.e. 1200x2400)

46. What is the effect of front lighting?
3200 Kelvin
In the middle
bend toward each other and converge at the focal point.
Flattens out the volume of the subject and minimizes textures

47. How does 'unsharp mask' work?
Incident light meter
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.
Red - Yellow - Green - Cyan - Blue - Magenta
Follow focus

48. In short lighting - where is the main light placed?
To strike the side of the face away from the camera.
No change. The EXPOSURE doesn't change or it would also change the background as well. Move the lights to adjust.
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.
Infrared

49. What kind of lighting patter is useful to narrow a face?
Memory card / flash card / compact flash card
Short lighting
A high contrast image
Butterfly lighting

50. 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
Inkjet black & white printing where color cartridges are replaced with shades of gray - resulting in smooth tones and slight color cast
Internet = 72 dpi; Newspaper = 150 dpi; Photographic print = 240-300 dpi; Gloss magazine = 400 dpi
Aperture and shutter