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 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?
Black (0)
Use negative exposure compensation (underexpose). The meter will attempt to make the dark scene 18% grey - underexpose to bring it back to dark.
Add magenta
Convex

2. Printers use how many bits per channel of information when printing?
Maybe as little as 0.5 degrees or 1 degree
5 -000 Kelvin
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.
8 bits

3. What color is opposite Green on the color wheel?
Magenta
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 sensor (or film's) sensitivity to light
Soft proofing

4. In a 2:1 ratio - the shadow side of the subject would meter at X stop(s) less than the highlight side.
Half as much light
Two (f/8 > f/11 > f/16)
One stop less
Soft proofing

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

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6. What kind of lighting pattern is best for average oval faces and round faces you want to slim?
The impression human vision gives
Blue
Keeps a moving subject sharp while blurring the background
Short lighting.

7. What is a Bit?
Aperture-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.
White (255)
Aperture and shutter

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

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9. A magic wand tool is used for what?
Fair Use
Selecting portions of the image based on color
A high contrast image
High Dynamic Range

10. When doing close-up work - what happens to the depth of field when the subject is closer to the lens?
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.
Sensor size - the larger the sensor size - the longer the focal length of a normal lens. (Corresponds to a diagonal line across the frame)
flat - low contrast light
stopped down

11. What is the suggested shutter speed to stop action of a child running parallel to the film plan - about 25 feet from the camera?
A simple lens with two curved sides or one curved and one flat side; found in a compound lens.
1/250th
sensor
Add cyan

12. What kind of light will be produced when using a large white umbrella close to a subject?
flat - low contrast light
Flattens out the volume of the subject and minimizes textures
Variations command
8 stops

13. A ring of thin - overlapping leaves located inside the lens is called what?
The diaphragm - the mechanism that controls aperture.
Aperture and shutter
Absorbs equal quantities of all wavelengths of light. It allows you to use wider apertures or slower shutter speeds without changing color balance.
Click with the neutral-point dropper on the selected color

14. Focal length controls what?
To strike the side of the face away from the camera.
1) Magnification - or the size of the subject; 2) Angle of view
Convex
Zoom lens

15. Blue is opposite what color on the color wheel?
Yellow
The brightness of all the pixels in an image
1) Use a longer lens; 2) Move closer to the subject
Infinity

16. What does a neutral density filter do?
RAID system
Absorbs equal quantities of all wavelengths of light. It allows you to use wider apertures or slower shutter speeds without changing color balance.
Front lighting
Yellow

17. An 8x10 at 240 dpi will have a resolution of what?
1920 pixels by 2400 pixels (4.6 million pixels)
A high contrast image
A raster image
Blue

18. Color systems divide all colors into which three measurements?
Infrared
Aperture-priority
Hue - Luminance - Saturation
Add yellow

19. The histogram of a properly exposed grey card will show a vertical bar where on the histogram?
In the middle
Metadata
9
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.

20. A technique used to maintain sharp focus on a subject that is moving toward you is called what?
a sensor (or film's) sensitivity to light
Follow focus
Selectively increasing print exposure - which will make select parts of the image darker
Butterfly lighting

21. To minimize facial wrinkles - this type of lighting is best.
Front lighting
Lasso tool
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 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.

22. How would you define exposure in mathematical terms?
Creates deep shadows in eye pockets - under nose - and chin.
Add cyan
Short lighting.
(X times Y = exposure) Intensity (aperture) x Time (shutter)

23. 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?
The sensor's sensitivity to light
The amount of information contained in each pixel
sensor
5000K

24. This light modifier can be used to highlight a specific area of the subject.
Snoot
Follow focus
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.
Magenta

25. The quantity of light that reaches your sensor is controlled by 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.
Shutter speed & aperture
International Organization for Standardization
The number of pixels per unit of length in a image

26. What is gamut?
Aperture - focal length - and distance to the subject
The number of pixels per unit of length in a image
One stop
The entire range of colors that can be seen - reproduced - or captured. Our eyes have a greater gamut than a print or monitor.

27. If an image is too yellow - what color adjustment should be made in Photoshop to correct it?
8 bits
Add blue
Small light source at an angle to the subject
More of the background and foreground are sharp.

28. What does "photomacrograph" or "macrophotograph" mean?
Red - Yellow - Green - Cyan - Blue - Magenta
The diagonal measurement of the sensor.
Close-ups that are life-size or larger. Images through microscopes are "photomicrographs."
Creates deep shadows in eye pockets - under nose - and chin.

29. What is a derivative file?
A RAW file that has been altered
RAID system
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.
Add blue

30. Instead of permanently altering your image when adjusting for color and value - what should you do?
Add yellow
A simple lens with two curved sides or one curved and one flat side; found in a compound lens.
The entire range of colors that can be seen - reproduced - or captured. Our eyes have a greater gamut than a print or monitor.
Use and adjustment layer

31. Most modern lenses are based on this kind of lens.
Convex
White (255)
Reciprocal relationship
sRGB

32. Name 3 ways to make a tonal adjustment in Photoshop.
Snoot
Metadata
Curves adjustment; Levels adjustment; Brighteness/Contrast adjustment
A RAW file that has been altered

33. How can you change the brightness of the background when using flash?
Close-ups that are life-size or larger. Images through microscopes are "photomicrographs."
The pixels per inch a scanner is capable of capturing often described as two numbers (i.e. 1200x2400)
lens-to-subject distance
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.

34. The useable exposure range of a sensor - or the range of subject brightness is called what?
The brightness of all the pixels in an image
lens-to-subject distance
Depth of field
dynamic range (not to be confused with gamut)

35. What Photoshop tool allows you to select an area of any size or shape by drawing freehand?
Lasso tool
(X times Y = exposure) Intensity (aperture) x Time (shutter)
The number of pixels per unit of length in a image
The amount of light reflected back from the subject during exposure.

36. A histogram shows what in an image?
Infrared
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.
JPEG
The brightness of all the pixels in an image

37. A tonal correction cannot be accomplished by using a...
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.
The number of pixels per unit of length in a image
Blue & Green
hue/saturation adjustment layer

38. What color is between Magenta and Cyan on the color wheel?
Memory card / flash card / compact flash card
Blue
The difference between light and dark.
1) Use a shorter focal length; 2) Move farther away from the subject

39. The relative aperture is equal to the lens focal length divided by what?
1) Use a longer lens; 2) Move closer to the subject
The difference between light and dark.
Short lighting.
aperture diameter

40. A tall vertical line on the right hand edge of a histogram indicates what?
Blown highlights
A simple lens with two curved sides or one curved and one flat side; found in a compound lens.
Follow focus
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.

41. When the additive primaries are mixed together equally - what is created?
1) Magnification - or the size of the subject; 2) Angle of view
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.
In the middle
White (additive primaries are Red - Green Blue)

42. In the 20th century - black & white photographers used the Zone system to tame excessive contrast. Now - digital photographers use what?
Convex
One stop
Short lighting
High Dynamic Range

43. What are the effects of top lighting?
1) Use a longer lens; 2) Move closer to the subject
A raster image
Creates deep shadows in eye pockets - under nose - and chin.
A new layer

44. What is the optical resolution on a scanner defined as?
Aperture and shutter
The pixels per inch a scanner is capable of capturing often described as two numbers (i.e. 1200x2400)
Sensor size - the larger the sensor size - the longer the focal length of a normal lens. (Corresponds to a diagonal line across the frame)
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

45. What is a color profile?
Infrared
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 sensor that converts the image from analog to digital (1's and 0's) CCD=charge coupled device; CMOS=complementary metal-oxide semiconductor
Along the lines of an imaginary grid at intersecting points that divide the image into thirds horizontally and vertically

46. 8 bits per pixel gives you how many colors?
256
dynamic range (not to be confused with gamut)
Along the lines of an imaginary grid at intersecting points that divide the image into thirds horizontally and vertically
Selecting portions of the image based on color

47. What is the general rule of thumb for the measurement of a 'normal' lens?
More of the background and foreground are sharp.
The diagonal measurement of the sensor.
White (255)
A new layer

48. The amount of motion blur in an image will increase if you do what?
No change. The EXPOSURE doesn't change or it would also change the background as well. Move the lights to adjust.
lengthen (or slow) the shutter speed
RAID system
1/250th

49. Name two ways you can increase depth of field (other than changing aperture).
8 stops
Curves adjustment; Levels adjustment; Brighteness/Contrast adjustment
1) Use a shorter focal length; 2) Move farther away from the subject
Direct sun at 11 -000 Kelvin

50. 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?
Infinity
Shutter-Priority
Use positive exposure compensation (overexposure). A reflected meter reading will attempt to make the scene 18% gray - employ overexposure to adjust.
Absorbs equal quantities of all wavelengths of light. It allows you to use wider apertures or slower shutter speeds without changing color balance.