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 is the usable exposure range - or range of subject brightness called?
Blue
Broad lighting
bend toward each other and converge at the focal point.
Dynamic range

2. What is the suggested shutter speed to stop action of a child running parallel to the film plan - about 25 feet from the camera?
emphasizes textures
1/250th
To strike the side of the face away from the camera.
Fisheye

3. A general purpose lens will provide an f-stop range of up to how many?
8 stops
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
Yellow
sRGB

4. A lens with a very wide angle of view and produces barrel distortion is what kind of lens?
factor of 2 = 1 stop compensation. (Each time a factor doubles - it's one additional stop)
Aperture - focal length - and distance to the subject
Use negative exposure compensation (underexpose). The meter will attempt to make the dark scene 18% grey - underexpose to bring it back to dark.
Fisheye

5. A technique used to maintain sharp focus on a subject that is moving toward you is called what?
Follow focus
Aperture - focal length - and distance to the subject
Aperture
3:1 or 4:1

6. A histogram shows what in an image?
Levels adjustment
The brightness of all the pixels in an image
Depth of field
Creates deep shadows in eye pockets - under nose - and chin.

7. Generally - traditional portraits use what lighting ratio?
Absorbs equal quantities of all wavelengths of light. It allows you to use wider apertures or slower shutter speeds without changing color balance.
All colors
Curves adjustment; Levels adjustment; Brighteness/Contrast adjustment
3:1 or 4:1

8. When the subtractive primaries are added together equally - what is created?
One stop less
Variations command
Black. Subtractive primaries are Magenta - Yellow - Cyan
A raster image

9. A magic wand tool is used for what?
flat - low contrast light
Aperture - focal length - and distance to the subject
256
Selecting portions of the image based on color

10. What do the bars on the left of a histogram represent?
Black (0)
Magenta
Through the Lens. A camera that can automatically control flash exposure using sensors inside the camera.
Aperture and shutter

11. Cyan is composed of equal parts of what two colors?
Blue & Green
The sensor that converts the image from analog to digital (1's and 0's) CCD=charge coupled device; CMOS=complementary metal-oxide semiconductor
stopped down
Inkjet black & white printing where color cartridges are replaced with shades of gray - resulting in smooth tones and slight color cast

12. The useable exposure range of a sensor - or the range of subject brightness is called what?
dynamic range (not to be confused with gamut)
1 or 2
Follow focus
Maybe as little as 0.5 degrees or 1 degree

13. To emphasize texture in a portrait - what kind of light source is recommended?
Small light source at an angle to the subject
256
9
Use positive exposure compensation (overexposure). A reflected meter reading will attempt to make the scene 18% gray - employ overexposure to adjust.

14. What is interpolated resolution?
The distance between the lens rear nodal point and the focal plane when the lens is focused at infinity.
Yellow
On a scanner; it guesses what the pixels look like in between the ones the scanner can actually measure.
Use positive exposure compensation (overexposure). A reflected meter reading will attempt to make the scene 18% gray - employ overexposure to adjust.

15. What kind of lighting pattern places the key light directly in front of and higher than the face?
Butterfly lighting
Internet = 72 dpi; Newspaper = 150 dpi; Photographic print = 240-300 dpi; Gloss magazine = 400 dpi
A change in illumination
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.

16. What is focal length - technically?
ISO
The distance between the lens rear nodal point and the focal plane when the lens is focused at infinity.
One stop
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

17. Aperture controls what?
The brightness of the light that reaches the sensor
Creates deep shadows in eye pockets - under nose - and chin.
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)
Black (0)

18. What does the term "stop" mean?
Follow focus
hue/saturation adjustment layer
Flattens out the volume of the subject and minimizes textures
A change in illumination

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

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20. In a curves adjustment layer - what does the shape of the curve indicate?
Contrast
Cyan
Similar to a normal lens at about 30 degrees
Infrared

21. The quantity of light that reaches your sensor is controlled by what?
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.
dynamic range (not to be confused with gamut)
Flat lighting
Shutter speed & aperture

22. According to the rule of thirds - where should the important parts of an image fall?
Follow focus
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
sRGB

23. The term to describe the combination of aperture and shutter speed that can be changed by moving them in opposite directions.
Reciprocal relationship
Dynamic range
Along the lines of an imaginary grid at intersecting points that divide the image into thirds horizontally and vertically
aperture diameter

24. Panning does what?
The amount of information contained in each pixel
Depth of field
Keeps a moving subject sharp while blurring the background
A new layer

25. Printers use what set of colors?
1 1/3 stops
Subtractive primaries (plus black)
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.
Fisheye

26. What kind of lighting pattern is best for average oval faces and round faces you want to slim?
One stop less
Short lighting.
1 1/3 stops
Memory card / flash card / compact flash card

27. What is a flag?
lens-to-subject distance
Metadata
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
Metadata fields that hold info on photographer - subject - and use.

28. What are luminance and illuminance?
stopped down
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)
Similar to a normal lens at about 30 degrees
Aperture - focal length - and distance to the subject

29. The amount of motion blur in an image will increase if you do what?
256
Glossy paper
lengthen (or slow) the shutter speed
Add cyan

30. Daylight is approximately what color temperature?
emphasizes textures
Levels adjustment
Add cyan
5 -000 Kelvin

31. The smallest unit of digital information is called a what?
Add yellow
(X times Y = exposure) Intensity (aperture) x Time (shutter)
Bit
Add blue

32. What is the general rule of thumb for the measurement of a 'normal' lens?
Shutter-priority
The diagonal measurement of the sensor.
5 -000 Kelvin
Inkjet black & white printing where color cartridges are replaced with shades of gray - resulting in smooth tones and slight color cast

33. How does 'unsharp mask' work?
All colors
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.
JPEG
Yellow

34. 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?
Infinity
Shutter-priority
Total number of pixels
All colors

35. What angle of view does a spot meter read?
The brightness of all the pixels in an image
Flat lighting
Sensor size - the larger the sensor size - the longer the focal length of a normal lens. (Corresponds to a diagonal line across the frame)
Maybe as little as 0.5 degrees or 1 degree

36. Focal length controls what?
Similar to a normal lens at about 30 degrees
Selectively increasing print exposure - which will make select parts of the image darker
1) Magnification - or the size of the subject; 2) Angle of view
dynamic range (not to be confused with gamut)

37. What are the effects of top lighting?
Internet = 72 dpi; Newspaper = 150 dpi; Photographic print = 240-300 dpi; Gloss magazine = 400 dpi
Flattens out the volume of the subject and minimizes textures
Creates deep shadows in eye pockets - under nose - and chin.
A RAW file that has been altered

38. 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 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.
Two (f/8 > f/11 > f/16)
5000K
A high contrast image

39. What Photoshop tool allows you to select an area of any size or shape by drawing freehand?
Keeps a moving subject sharp while blurring the background
Use positive exposure compensation (overexposure). A reflected meter reading will attempt to make the scene 18% gray - employ overexposure to adjust.
A high contrast image
Lasso tool

40. An SLR camera uses what to allow you to see exactly what you'll photograph?
Infinity
A mirror and pentaprism
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

41. What is the CCD or CMOS sensor?

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42. What is a Bit?
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.
Black. Subtractive primaries are Magenta - Yellow - Cyan
Click with the neutral-point dropper on the selected color
Keeps a moving subject sharp while blurring the background

43. The area of acceptable sharpness in an image is called what?
On a scanner; it guesses what the pixels look like in between the ones the scanner can actually measure.
Subtractive primaries (plus black)
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.
Depth of field

44. What is a derivative file?
Infrared
One stop less
Memory card / flash card / compact flash card
A RAW file that has been altered

45. An image made of pixels is sometimes called what?
High Dynamic Range
Snoot
A raster image
Two (f/8 > f/11 > f/16)

46. This technique allows you to keep a subject that is moving toward you well focused.
Follow focus
3200 Kelvin
Variations command
Aperture-priority

47. Most lenses are sharpest closed down to how many stops from the widest?
5000K
Blue
1 or 2
The entire range of colors that can be seen - reproduced - or captured. Our eyes have a greater gamut than a print or monitor.

48. Instead of permanently altering your image when adjusting for color and value - what should you do?
Subtractive primaries (plus black)
Use and adjustment layer
1) Magnification - or the size of the subject; 2) Angle of view
Soft proofing

49. If an image is too magenta - what color adjustment should be made in Photoshop to correct it?
factor of 2 = 1 stop compensation. (Each time a factor doubles - it's one additional stop)
Add green
Follow focus
lens-to-subject distance

50. What is a color profile?
Incident light meter
The impression human vision gives
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).