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. Color systems divide all colors into which three measurements?
Magenta
Hue - Luminance - Saturation
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.
No

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

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3. Can you save layers in a JPEG file format?
No
Add yellow
A raster image
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)

4. The greatest tonal range from black to white is achievable on what kind of paper?
Glossy paper
3:1 or 4:1
3200 Kelvin
The diagonal measurement of the sensor.

5. Most lenses are sharpest closed down to how many stops from the widest?
flat - low contrast light
1 or 2
Follow focus
Blue

6. Maximum depth of field at a given aperture is achieved by focusing at 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.
The brightness of all the pixels in an image
Flattens out the volume of the subject and minimizes textures
Shutter-Priority

7. This technique allows you to keep a subject that is moving toward you well focused.
Total number of pixels
ISO
Convex
Follow focus

8. A color image with smooth gradiations requires at least what bit depth?
Flattens out the volume of the subject and minimizes textures
The diagonal measurement of the sensor.
sensor
24 bits per pixel (8 per color) - which gives 16 -777 -216 colors

9. An SLR camera uses what to allow you to see exactly what you'll photograph?
1/250th
stopped down
Soft proofing
A mirror and pentaprism

10. Printers use how many bits per channel of information when printing?
Follow focus
8 bits
Front lighting
Add yellow

11. What is a color profile?
Contrast
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).
White (additive primaries are Red - Green Blue)
Use negative exposure compensation (underexpose). The meter will attempt to make the dark scene 18% grey - underexpose to bring it back to dark.

12. What are the three main factors that affect depth of field?
The pixels per inch a scanner is capable of capturing often described as two numbers (i.e. 1200x2400)
The distance between the lens rear nodal point and the focal plane when the lens is focused at infinity.
Aperture - focal length - and distance to the subject
The diaphragm - the mechanism that controls aperture.

13. What is the suggested shutter speed to stop action of a child running parallel to the film plan - about 25 feet from the camera?
1/250th
In the middle
On a scanner; it guesses what the pixels look like in between the ones the scanner can actually measure.
1) Magnification - or the size of the subject; 2) Angle of view

14. This light modifier can be used to highlight a specific area of the subject.
Use and adjustment layer
Snoot
High Dynamic Range
Reflected light meter

15. The useable exposure range of a sensor - or the range of subject brightness is called what?
Inkjet black & white printing where color cartridges are replaced with shades of gray - resulting in smooth tones and slight color cast
dynamic range (not to be confused with gamut)
Follow focus
The amount of light reflected back from the subject during exposure.

16. Cyan is composed of equal parts of what two colors?
3200 Kelvin
Blue & Green
Add cyan
Reciprocal relationship

17. A 1:1 lighting ratio produces what lighting result?
Flat lighting
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.
sRGB
Metadata

18. In a curves adjustment layer - what does the shape of the curve indicate?
The brightness of the light that reaches the sensor
Contrast
Use negative exposure compensation (underexpose). The meter will attempt to make the dark scene 18% grey - underexpose to bring it back to dark.
Aperture and shutter

19. What is the term used to describe data contained in a digital image?
8 bits
Metadata
aperture diameter
Variations command

20. What are luminance and illuminance?
Fair Use
Keeps a moving subject sharp while blurring the background
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)
On a scanner; it guesses what the pixels look like in between the ones the scanner can actually measure.

21. What angle of view does an incident meter read?
Very wide at about 180 degrees
Lasso tool
The sensor's sensitivity to light
Two (f/8 > f/11 > f/16)

22. The quantity of light that reaches your sensor is controlled by what?
Shutter speed & aperture
Selectively increasing print exposure - which will make select parts of the image darker
Very wide at about 180 degrees
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.

23. 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.
Hue - Luminance - Saturation
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.
Add red

24. A lens set at f/4 admits how much more/less light than one set at f/2.8?
A change in illumination
Convex
Half as much light
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).

25. What are IPTC fields used for?
Follow focus
Metadata fields that hold info on photographer - subject - and use.
Subtractive primaries (plus black)
Butterfly lighting

26. If you're working with an automatic camera and you set the aperture and the camera sets the shutter speed - what mode are you working in?
The diaphragm - the mechanism that controls aperture.
Aperture-priority
Aperture - focal length - and distance to the subject
Broad lighting

27. What is the best color profile for web images?
The diaphragm - the mechanism that controls aperture.
Variations command
Metadata
sRGB

28. What is the name of the technique used to make a monitor look like what you will see on your print?
International Organization for Standardization
Soft proofing
lengthen (or slow) the shutter speed
Lower

29. As the aperture becomes smaller - what happens to the depth of field?
Aperture and shutter
White (additive primaries are Red - Green Blue)
The diagonal measurement of the sensor.
It increases

30. What is a thyristor?
Blue & Green
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.
Metadata
Similar to a normal lens at about 30 degrees

31. What is the term used to describe a sensor's sensitivity to light?
Infrared
Depth of field
ISO
Blue & Green

32. All objects beyond the closest distance in focus will be sharp when this appears within the DOF scale.
Half as much light
four times more
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.
Infinity

33. A tonal correction cannot be accomplished by using a...
1 or 2
hue/saturation adjustment layer
Zoom lens
Flat lighting

34. If an image is too red - what color adjustment should be made in Photoshop to correct it?
Blue
1) Magnification - or the size of the subject; 2) Angle of view
Add cyan
Inkjet black & white printing where color cartridges are replaced with shades of gray - resulting in smooth tones and slight color cast

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

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36. Photoshop's command for a simple way to start using color balance is what?
1) Use a shorter focal length; 2) Move farther away from the subject
Variations command
factor of 2 = 1 stop compensation. (Each time a factor doubles - it's one additional stop)
Short lighting.

37. This type of file format compresses images by discarding pixels; therefore - each time an images is compressed - it loses pixels.
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.
JPEG
Two (f/8 > f/11 > f/16)
One stop less

38. What kind of light will be produced when using a large white umbrella close to a subject?
5 -000 Kelvin
Contrast
flat - low contrast light
Bit

39. What angle of view does a reflected light meter read?
lengthen (or slow) the shutter speed
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).
Actual Pixel view
Similar to a normal lens at about 30 degrees

40. What does side lighting emphasize?
Metadata
emphasizes textures
All colors
Levels adjustment

41. In a 2:1 ratio - the shadow side of the subject would meter at X stop(s) less than the highlight side.
emphasizes textures
One stop less
White (additive primaries are Red - Green Blue)
dynamic range (not to be confused with gamut)

42. The rule of thirds necessitates that the composition be divided into a grid of now many equal rectangles or squares?
Yellow
Flat lighting
9
1 or 2

43. An image made of pixels is sometimes called what?
Bit
Selecting portions of the image based on color
A raster image
Blue & Green

44. In short lighting - where is the main light placed?
Follow focus
sRGB
To strike the side of the face away from the camera.
It increases

45. This type of backup system is fault-tolerant because it creates redundant data.
RAID system
Butterfly lighting
To send accurate color requirements to a printer.
Infinity

46. What is dodging?
hue/saturation adjustment layer
8 stops
The sensor's sensitivity to light
Selectively blocking light during print exposure to lighten the area

47. This kind of lens has a variable focal length.
The sensor that converts the image from analog to digital (1's and 0's) CCD=charge coupled device; CMOS=complementary metal-oxide semiconductor
ISO
Shutter-Priority
Zoom lens

48. What is a flag?
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
24 bits per pixel (8 per color) - which gives 16 -777 -216 colors
No change. The EXPOSURE doesn't change or it would also change the background as well. Move the lights to adjust.
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.

49. What angle should a polarizing filter be to the sun for best results?
Use positive exposure compensation (overexposure). A reflected meter reading will attempt to make the scene 18% gray - employ overexposure to adjust.
Selecting portions of the image based on color
A raster image
90 degrees. If using to eliminate reflections - it should be used at 35 degrees.

50. What determines what will be a 'normal' focal length lens on a particular camera?
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.
four times more
Sensor size - the larger the sensor size - the longer the focal length of a normal lens. (Corresponds to a diagonal line across the frame)
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.