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?
Hue - Luminance - Saturation
Aperture
Memory card / flash card / compact flash card
8 stops

2. A lens set at f/4 admits how much more/less light than one set at f/2.8?
Half as much light
Keeps a moving subject sharp while blurring the background
Yellow
Front lighting

3. Convex lenses cause light rays to do what?
Red - Yellow - Green - Cyan - Blue - Magenta
bend toward each other and converge at the focal point.
The diaphragm - the mechanism that controls aperture.
8 stops

4. All objects beyond the closest distance in focus will be sharp when this appears within the DOF scale.
Infinity
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.
White (additive primaries are Red - Green Blue)
5 -000 Kelvin

5. The smallest unit of digital information is called a what?
Bit
sRGB
Lower
A change in illumination

6. A tonal correction cannot be accomplished by using a...
Magenta
Aperture-priority
On a scanner; it guesses what the pixels look like in between the ones the scanner can actually measure.
hue/saturation adjustment layer

7. A technique used to maintain sharp focus on a subject that is moving toward you is called what?
Short lighting.
Follow focus
The diaphragm - the mechanism that controls aperture.
Selectively blocking light during print exposure to lighten the area

8. When the subtractive primaries are added together equally - what is created?
The impression human vision gives
Reflected light meter
Black. Subtractive primaries are Magenta - Yellow - Cyan
1 1/3 stops

9. What kind of light will be produced when using a large white umbrella close to a subject?
flat - low contrast light
emphasizes textures
Short lighting
The brightness of all the pixels in an image

10. An 8x10 at 240 dpi will have a resolution of what?
Blown highlights
One stop
sensor
1920 pixels by 2400 pixels (4.6 million pixels)

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

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12. Blue is opposite what color on the color wheel?
Snoot
Very wide at about 180 degrees
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.
Yellow

13. How can you change the brightness of the background when using flash?
Black. Subtractive primaries are Magenta - Yellow - Cyan
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.
8 stops
Red - Yellow - Green - Cyan - Blue - Magenta

14. What angle of view does a reflected light meter read?
Similar to a normal lens at about 30 degrees
four times more
Selectively increasing print exposure - which will make select parts of the image darker
Zoom lens

15. Why is depth of field greater on a short lens versus a long lens?
Front lighting
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.
The sensor's sensitivity to light
Short lighting

16. What color is opposite Red on the color wheel?
Cyan
5000K
Selectively increasing print exposure - which will make select parts of the image darker
Butterfly lighting

17. 8 bits per pixel gives you how many colors?
Yellow
JPEG
Blown highlights
256

18. The quantity of light that reaches your sensor is controlled by what?
Shutter speed & aperture
Internet = 72 dpi; Newspaper = 150 dpi; Photographic print = 240-300 dpi; Gloss magazine = 400 dpi
Sensor size - the larger the sensor size - the longer the focal length of a normal lens. (Corresponds to a diagonal line across the frame)
Metadata fields that hold info on photographer - subject - and use.

19. According to the rule of thirds - where should the important parts of an image fall?
1 1/3 stops
Along the lines of an imaginary grid at intersecting points that divide the image into thirds horizontally and vertically
Lower
90 degrees. If using to eliminate reflections - it should be used at 35 degrees.

20. The rule of thirds necessitates that the composition be divided into a grid of now many equal rectangles or squares?
A new layer
9
Aperture
Hue - Luminance - Saturation

21. The area of acceptable sharpness in an image is called what?
One stop
More of the background and foreground are sharp.
Selectively blocking light during print exposure to lighten the area
Depth of field

22. What is the name of the technique used to make a monitor look like what you will see on your print?
Aperture - focal length - and distance to the subject
To strike the side of the face away from the camera.
A RAW file that has been altered
Soft proofing

23. Generally - traditional portraits use what lighting ratio?
3:1 or 4:1
Parallax
Aperture and shutter
One stop

24. To minimize facial wrinkles - this type of lighting is best.
The sensor's sensitivity to light
Aperture-priority
Front lighting
factor of 2 = 1 stop compensation. (Each time a factor doubles - it's one additional stop)

25. The histogram of a properly exposed grey card will show a vertical bar where on the histogram?
dynamic range (not to be confused with gamut)
Yellow
In the middle
To send accurate color requirements to a printer.

26. Panning does what?
Keeps a moving subject sharp while blurring the background
lens-to-subject distance
Aperture-Priority
Memory card / flash card / compact flash card

27. A general purpose lens will provide an f-stop range of up to how many?
8 stops
Very wide at about 180 degrees
Direct sun at 11 -000 Kelvin
Contrast

28. A 1:1 lighting ratio produces what lighting result?
Creates deep shadows in eye pockets - under nose - and chin.
Subtractive primaries (plus black)
Click with the neutral-point dropper on the selected color
Flat lighting

29. What is a derivative file?
Levels adjustment
Zoom lens
The amount of information contained in each pixel
A RAW file that has been altered

30. When the size of the aperture is decreased - it is said to be what?
Metadata
Parallax
stopped down
RAID system

31. When mixed in varying proportion - the subtractive primary colors produce what?
A new layer
All colors
Incident light meter
Levels adjustment

32. What is the CCD or CMOS sensor?

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33. What is the term used to describe data contained in a digital image?
Metadata
Close-ups that are life-size or larger. Images through microscopes are "photomicrographs."
High Dynamic Range
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

34. What color is between Magenta and Cyan on the color wheel?
Absorbs equal quantities of all wavelengths of light. It allows you to use wider apertures or slower shutter speeds without changing color balance.
Blue
Levels adjustment
Add red

35. What kind of lighting pattern places the key light directly in front of and higher than the face?
JPEG
3:1 or 4:1
Butterfly lighting
Very wide at about 180 degrees

36. A ring of thin - overlapping leaves located inside the lens is called what?
The impression human vision gives
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 diaphragm - the mechanism that controls aperture.
Glossy paper

37. What would you use an ICC profile for?
To send accurate color requirements to a printer.
Black. Subtractive primaries are Magenta - Yellow - Cyan
Convex
One stop less

38. How much resolution do you need for: Internet? Newspaper? Photographic print? Glossy magazine?
Lower
Internet = 72 dpi; Newspaper = 150 dpi; Photographic print = 240-300 dpi; Gloss magazine = 400 dpi
lens-to-subject distance
Infinity

39. What is dodging?
flat - low contrast light
To send accurate color requirements to a printer.
3:1 or 4:1
Selectively blocking light during print exposure to lighten the area

40. Most modern lenses are based on this kind of lens.
The pixels per inch a scanner is capable of capturing often described as two numbers (i.e. 1200x2400)
Depth of field
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.
Convex

41. What is an element and where is it found?
A mirror and pentaprism
Red - Yellow - Green - Cyan - Blue - Magenta
Snoot
A simple lens with two curved sides or one curved and one flat side; found in a compound lens.

42. Name 3 ways to make a tonal adjustment in Photoshop.
Black (0)
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.
A change in illumination
Curves adjustment; Levels adjustment; Brighteness/Contrast adjustment

43. Focal length controls what?
The amount of information contained in each pixel
1) Magnification - or the size of the subject; 2) Angle of view
Keeps a moving subject sharp while blurring the background
Aperture - focal length - and distance to the subject

44. A color image with smooth gradiations requires at least what bit depth?
Black (0)
24 bits per pixel (8 per color) - which gives 16 -777 -216 colors
The brightness of the light that reaches the sensor
The entire range of colors that can be seen - reproduced - or captured. Our eyes have a greater gamut than a print or monitor.

45. Copyright law has certain built-in exceptions that allow for special situations in using copyrighted material. They are called what?
The impression human vision gives
Fair Use
Because you can move in close to the subject
Black (0)

46. What does a neutral density filter do?
The impression human vision gives
Absorbs equal quantities of all wavelengths of light. It allows you to use wider apertures or slower shutter speeds without changing color balance.
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.
Through the Lens. A camera that can automatically control flash exposure using sensors inside the camera.

47. If you must move to reduce the amount of flash reaching your subject - how far do you move?
Add magenta
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.
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.
Direct sun at 11 -000 Kelvin

48. 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?
Shutter-priority
Curves adjustment; Levels adjustment; Brighteness/Contrast adjustment
Use positive exposure compensation (overexposure). A reflected meter reading will attempt to make the scene 18% gray - employ overexposure to adjust.
All colors

49. Using this kind of automatic exposure setting on the camera - you set the aperture and the camera sets the shutter speed.
four times more
Snoot
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.
Aperture-Priority

50. What is the best color profile for web images?
Blue & Green
sRGB
It increases
1 or 2