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. What does a neutral density filter do?
Blue
Snoot
Absorbs equal quantities of all wavelengths of light. It allows you to use wider apertures or slower shutter speeds without changing color balance.
The number of pixels per unit of length in a image

2. When the size of the aperture is decreased - it is said to be what?
stopped down
Shutter-Priority
The brightness of all the pixels in an image
Add cyan

3. What is the term used to describe data contained in a digital image?
Black (0)
Memory card / flash card / compact flash card
Metadata
Black. Subtractive primaries are Magenta - Yellow - Cyan

4. The greatest tonal range from black to white is achievable on what kind of paper?
Glossy paper
5000K
Click with the neutral-point dropper on the selected color
Bit

5. What kind of light will be produced when using a large white umbrella close to a subject?
dynamic range (not to be confused with gamut)
Front lighting
1) Magnification - or the size of the subject; 2) Angle of view
flat - low contrast light

6. Bit depth refers to what?
It increases
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
Levels adjustment
The amount of information contained in each pixel

7. In the 20th century - black & white photographers used the Zone system to tame excessive contrast. Now - digital photographers use what?
High Dynamic Range
1 or 2
More of the background and foreground are sharp.
Direct sun at 11 -000 Kelvin

8. The quantity of light that reaches your sensor is controlled by what?
Subtractive primaries (plus black)
Shutter speed & aperture
Memory card / flash card / compact flash card
Infinity

9. The term to describe the combination of aperture and shutter speed that can be changed by moving them in opposite directions.
Selectively blocking light during print exposure to lighten the area
International Organization for Standardization
Levels adjustment
Reciprocal relationship

10. When the additive primaries are mixed together equally - what is created?
Zoom lens
Butterfly lighting
Through the Lens. A camera that can automatically control flash exposure using sensors inside the camera.
White (additive primaries are Red - Green Blue)

11. What is the term used to describe human's change in perception of a color under different light sources?
Magenta
flat - low contrast light
Metamerism
1) Magnification - or the size of the subject; 2) Angle of view

12. If you must move to reduce the amount of flash reaching your subject - how far do you move?
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.
One stop less
Along the lines of an imaginary grid at intersecting points that divide the image into thirds horizontally and vertically
White (255)

13. How much resolution do you need for: Internet? Newspaper? Photographic print? Glossy magazine?
Internet = 72 dpi; Newspaper = 150 dpi; Photographic print = 240-300 dpi; Gloss magazine = 400 dpi
Shutter-priority
Reciprocal relationship
A simple lens with two curved sides or one curved and one flat side; found in a compound lens.

14. Sharpness from near to far is controlled by what?
Soft proofing
Blue & Green
Follow focus
Aperture

15. when adjusting an image with levels - if you want to make any color neutral quickly - what would you do?
The sensor that converts the image from analog to digital (1's and 0's) CCD=charge coupled device; CMOS=complementary metal-oxide semiconductor
Click with the neutral-point dropper on the selected color
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.
Total number of pixels

16. Why is depth of field greater on a short lens versus a long lens?
RAID system
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.
ISO

17. As the aperture is stopped down - what happens to sharpness?
Aperture and shutter
More of the background and foreground are sharp.
The amount of information contained in each pixel
Click with the neutral-point dropper on the selected color

18. Most modern lenses are based on this kind of lens.
Two (f/8 > f/11 > f/16)
White (additive primaries are Red - Green Blue)
Small light source at an angle to the subject
Convex

19. What does "photomacrograph" or "macrophotograph" mean?
White (255)
5000K
Close-ups that are life-size or larger. Images through microscopes are "photomicrographs."
Dynamic range

20. All objects beyond the closest distance in focus will be sharp when this appears within the DOF scale.
Cyan
Shutter-priority
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.
Infinity

21. A lens with a very wide angle of view and produces barrel distortion is what kind of lens?
JPEG
Fisheye
Along the lines of an imaginary grid at intersecting points that divide the image into thirds horizontally and vertically
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.

22. Most lenses are sharpest closed down to how many stops from the widest?
1 or 2
No
8 stops
Convex

23. What angle of view does a spot meter read?
Maybe as little as 0.5 degrees or 1 degree
The sensor that converts the image from analog to digital (1's and 0's) CCD=charge coupled device; CMOS=complementary metal-oxide semiconductor
Zoom lens
The entire range of colors that can be seen - reproduced - or captured. Our eyes have a greater gamut than a print or monitor.

24. Stopping a lens down from f/8 to f/16 represents a X stop difference.
A new layer
Two (f/8 > f/11 > f/16)
sensor
Blue & Green

25. This kind of meter is preferred by photographers working in a studio situation where lighting conditions can be altered.
Actual Pixel view
Blue
8 stops
Incident light meter

26. An image made of pixels is sometimes called what?
A raster image
Direct sun at 11 -000 Kelvin
factor of 2 = 1 stop compensation. (Each time a factor doubles - it's one additional stop)
Blown highlights

27. How would you define exposure in mathematical terms?
Lasso tool
(X times Y = exposure) Intensity (aperture) x Time (shutter)
Aperture-priority
90 degrees. If using to eliminate reflections - it should be used at 35 degrees.

28. What do TTL systems react to?
Actual Pixel view
The amount of light reflected back from the subject during exposure.
Because you can move in close to the subject
Close-ups that are life-size or larger. Images through microscopes are "photomicrographs."

29. Name 2 ways you can decrease depth of field.
The distance between the lens rear nodal point and the focal plane when the lens is focused at infinity.
1) Use a longer lens; 2) Move closer to the subject
Two (f/8 > f/11 > f/16)
Levels adjustment

30. Panning does what?
Keeps a moving subject sharp while blurring the background
White (255)
1) Magnification - or the size of the subject; 2) Angle of view
8 bits

31. Tungsten is approximately what color temperature?
3200 Kelvin
1 or 2
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.
Use positive exposure compensation (overexposure). A reflected meter reading will attempt to make the scene 18% gray - employ overexposure to adjust.

32. What is focal length - technically?
To send accurate color requirements to a printer.
Levels adjustment
The distance between the lens rear nodal point and the focal plane when the lens is focused at infinity.
1) Magnification - or the size of the subject; 2) Angle of view

33. What color is opposite Red on the color wheel?
Cyan
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).
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)
Magenta

34. Digital cameras use what set of primary colors?
Blown highlights
Additive (R - G - B)
Add green
The sensor's sensitivity to light

35. What do the bars on the left of a histogram represent?
Because you can move in close to the subject
Black (0)
White (additive primaries are Red - Green Blue)
A new layer

36. An in-camera reflected meter reading a very light toned scene indicates an exposure of 1/250th at f/8. For a correct exposure - what should you do?
9
Aperture
Use positive exposure compensation (overexposure). A reflected meter reading will attempt to make the scene 18% gray - employ overexposure to adjust.
Close-ups that are life-size or larger. Images through microscopes are "photomicrographs."

37. What is the best color profile for web images?
Use negative exposure compensation (underexpose). The meter will attempt to make the dark scene 18% grey - underexpose to bring it back to dark.
No
sRGB
Reflected light meter

38. What is the inverse square law?
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.
Add cyan
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.
Fisheye

39. If your print will be viewed mostly under window light - what is the suggested Kelvin temperature of the lights you should use to evaluate your print?
5000K
Soft proofing
3200 Kelvin
1 or 2

40. To produce optimal sharpness - detail - and resolution - is a higher or lower ISO setting better?
factor of 2 = 1 stop compensation. (Each time a factor doubles - it's one additional stop)
The brightness of all the pixels in an image
The diaphragm - the mechanism that controls aperture.
Lower

41. What does the term "stop" mean?
It increases
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.
A change in illumination
Fisheye

42. A histogram with peaks on either end of the histogram and a deep valley in between represents what?
Metamerism
The impression human vision gives
High Dynamic Range
A high contrast image

43. The relative aperture is equal to the lens focal length divided by what?
1) Use a longer lens; 2) Move closer to the subject
aperture diameter
The brightness of all the pixels in an image
Magenta

44. What does side lighting emphasize?
bend toward each other and converge at the focal point.
Follow focus
Selectively increasing print exposure - which will make select parts of the image darker
emphasizes textures

45. What is an element and where is it found?
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.
Add magenta
Black. Subtractive primaries are Magenta - Yellow - Cyan
A simple lens with two curved sides or one curved and one flat side; found in a compound lens.

46. Instead of permanently altering your image when adjusting for color and value - what should you do?
Maybe as little as 0.5 degrees or 1 degree
Lower
Small light source at an angle to the subject
Use and adjustment layer

47. This viewing option gives you the most accurate version of your image in Photoshop.
3200 Kelvin
Actual Pixel view
Curves adjustment; Levels adjustment; Brighteness/Contrast adjustment
Use negative exposure compensation (underexpose). The meter will attempt to make the dark scene 18% grey - underexpose to bring it back to dark.

48. What are the effects of high side lighting?
Blue
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.
High Dynamic Range
Add blue

49. What is a color profile?
Shutter-Priority
aperture diameter
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).
Lasso tool

50. A normal (or standard) focal length lens approximates what?
Cyan
The impression human vision gives
sensor
Two (f/8 > f/11 > f/16)