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. If an image is too red - what color adjustment should be made in Photoshop to correct it?
Parallax
Very wide at about 180 degrees
Follow focus
Add cyan

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

3. In short lighting - where is the main light placed?
The number of pixels per unit of length in a image
To strike the side of the face away from the camera.
Selectively blocking light during print exposure to lighten the area
Broad lighting

4. Can you save layers in a JPEG file format?
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
No
Sensor size - the larger the sensor size - the longer the focal length of a normal lens. (Corresponds to a diagonal line across the frame)
A simple lens with two curved sides or one curved and one flat side; found in a compound lens.

5. What kind of lighting patter is useful to narrow a face?
Short lighting
Cyan
Half as much light
Keeps a moving subject sharp while blurring the background

6. This type of file format compresses images by discarding pixels; therefore - each time an images is compressed - it loses pixels.
9
JPEG
To strike the side of the face away from the camera.
Memory card / flash card / compact flash card

7. Name 2 ways you can decrease depth of field.
Depth of field
1) Use a longer lens; 2) Move closer to the subject
Zoom lens
Memory card / flash card / compact flash card

8. An 8x10 at 240 dpi will have a resolution of what?
stopped down
sRGB
Selectively blocking light during print exposure to lighten the area
1920 pixels by 2400 pixels (4.6 million pixels)

9. 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
The difference between light and dark.
aperture diameter
1) Use a shorter focal length; 2) Move farther away from the subject

10. 8 bits per pixel gives you how many colors?
256
Internet = 72 dpi; Newspaper = 150 dpi; Photographic print = 240-300 dpi; Gloss magazine = 400 dpi
Incident light meter
Follow focus

11. Using this kind of automatic exposure setting on the camera - you set the aperture and the camera sets the shutter speed.
flat - low contrast light
Aperture
The number of pixels per unit of length in a image
Aperture-Priority

12. When the subtractive primaries are added together equally - what is created?
Black. Subtractive primaries are Magenta - Yellow - Cyan
Actual Pixel view
Lower
The impression human vision gives

13. What is the optical resolution on a scanner defined as?
The pixels per inch a scanner is capable of capturing often described as two numbers (i.e. 1200x2400)
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.
Lasso tool
Use negative exposure compensation (underexpose). The meter will attempt to make the dark scene 18% grey - underexpose to bring it back to dark.

14. What kind of light will be produced when using a large white umbrella close to a subject?
8 bits
High Dynamic Range
The entire range of colors that can be seen - reproduced - or captured. Our eyes have a greater gamut than a print or monitor.
flat - low contrast light

15. The smallest unit of digital information is called a what?
Bit
Add blue
Keeps a moving subject sharp while blurring the background
The pixels per inch a scanner is capable of capturing often described as two numbers (i.e. 1200x2400)

16. What is the best color profile for web images?
9
Dynamic range
sRGB
A high contrast image

17. What do the bars on the right of a histogram represent?
White (255)
Magenta
Total number of pixels
Metadata

18. Panning does what?
1) Use a shorter focal length; 2) Move farther away from the subject
Shutter-Priority
Keeps a moving subject sharp while blurring the background
Add magenta

19. The histogram of a properly exposed grey card will show a vertical bar where on the histogram?
bend toward each other and converge at the focal point.
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.
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.
In the middle

20. when adjusting an image with levels - if you want to make any color neutral quickly - what would you do?
White (additive primaries are Red - Green Blue)
Incident light meter
Levels adjustment
Click with the neutral-point dropper on the selected color

21. What are the three main factors that affect depth of field?
Incident light meter
White (additive primaries are Red - Green Blue)
Metadata
Aperture - focal length - and distance to the subject

22. What do TTL systems react to?
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.
The amount of light reflected back from the subject during exposure.
Total number of pixels

23. What kind of film can help reduce haze in a landscape?
Infrared
Flattens out the volume of the subject and minimizes textures
bend toward each other and converge at the focal point.
To send accurate color requirements to a printer.

24. In the 20th century - black & white photographers used the Zone system to tame excessive contrast. Now - digital photographers use what?
High Dynamic Range
ISO
Keeps a moving subject sharp while blurring the background
1) Use a longer lens; 2) Move closer to the subject

25. Contrast measures what in a print?
Lasso tool
Inkjet black & white printing where color cartridges are replaced with shades of gray - resulting in smooth tones and slight color cast
The difference between light and dark.
The brightness of all the pixels in an image

26. An incident-exposure reading for a fair-skinned subject reads f/8 - 1/125th at 100 ISO. The next subject is very dark skinned. What is the proper exposure for the second subject?

27. 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.
1) Magnification - or the size of the subject; 2) Angle of view
Fair Use
1/250th

28. What does a neutral density filter do?
Follow focus
Broad lighting
Absorbs equal quantities of all wavelengths of light. It allows you to use wider apertures or slower shutter speeds without changing color balance.
Aperture - focal length - and distance to the subject

29. Printers use how many bits per channel of information when printing?
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
8 bits
Bit
Depth of field

30. What kind of meter is built in to most cameras?
Reflected light meter
Front lighting
Aperture-priority
The number of pixels per unit of length in a image

31. A lens with a very wide angle of view and produces barrel distortion is what kind of lens?
The distance between the lens rear nodal point and the focal plane when the lens is focused at infinity.
Short lighting.
90 degrees. If using to eliminate reflections - it should be used at 35 degrees.
Fisheye

32. If an image is too green - what color adjustment should be made in Photoshop to correct it?
RAID system
a sensor (or film's) sensitivity to light
Add magenta
Absorbs equal quantities of all wavelengths of light. It allows you to use wider apertures or slower shutter speeds without changing color balance.

33. A histogram shows what in an image?
The brightness of all the pixels in an image
The pixels per inch a scanner is capable of capturing often described as two numbers (i.e. 1200x2400)
Zoom lens
Cyan

34. As the aperture becomes smaller - what happens to the depth of field?
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 cyan
9
It increases

35. If an image is too magenta - what color adjustment should be made in Photoshop to correct it?
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).
Parallax
Butterfly lighting
Add green

36. The term to describe the combination of aperture and shutter speed that can be changed by moving them in opposite directions.
dynamic range (not to be confused with gamut)
Magenta
Very wide at about 180 degrees
Reciprocal relationship

37. What is the suggested shutter speed to stop action of a child running parallel to the film plan - about 25 feet from the camera?
5 -000 Kelvin
hue/saturation adjustment layer
1/250th
Blue

38. What color is opposite Green on the color wheel?
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
24 bits per pixel (8 per color) - which gives 16 -777 -216 colors
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.

39. What determines what will be a 'normal' focal length lens on a particular camera?
To send accurate color requirements to a printer.
a sensor (or film's) sensitivity to light
Yellow
Sensor size - the larger the sensor size - the longer the focal length of a normal lens. (Corresponds to a diagonal line across the frame)

40. Daylight is approximately what color temperature?
Selecting portions of the image based on color
The number of pixels per unit of length in a image
1/250th
5 -000 Kelvin

41. What does side lighting emphasize?
emphasizes textures
Absorbs equal quantities of all wavelengths of light. It allows you to use wider apertures or slower shutter speeds without changing color balance.
JPEG
Add blue

42. Bit depth refers to what?
90 degrees. If using to eliminate reflections - it should be used at 35 degrees.
Shutter-priority
Follow focus
The amount of information contained in each pixel

43. What is an element and where is it found?
A simple lens with two curved sides or one curved and one flat side; found in a compound lens.
Blue
Total number of pixels
Zoom lens

44. What are the effects of top lighting?
Broad lighting
Creates deep shadows in eye pockets - under nose - and chin.
The amount of light reflected back from the subject during exposure.
Add magenta

45. What angle should a polarizing filter be to the sun for best results?
Curves adjustment; Levels adjustment; Brighteness/Contrast adjustment
90 degrees. If using to eliminate reflections - it should be used at 35 degrees.
Add green
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.

46. Whenever another image is copied or moved into a file - Photoshop automatically creates what?
Aperture-Priority
The brightness of all the pixels in an image
A new layer
Additive (R - G - B)

47. Digital cameras use what set of primary colors?
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.
Metamerism
Selecting portions of the image based on color
Additive (R - G - B)

48. What is a derivative file?
lens-to-subject distance
Yellow
A RAW file that has been altered
White (255)

49. What angle of view does a spot meter read?
Reflected light meter
Maybe as little as 0.5 degrees or 1 degree
Aperture - focal length - and distance to the subject
Soft proofing

50. What is dodging?
Selectively blocking light during print exposure to lighten the area
Shutter-priority
Blue
Internet = 72 dpi; Newspaper = 150 dpi; Photographic print = 240-300 dpi; Gloss magazine = 400 dpi