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 color is opposite Red on the color wheel?
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)
Close-ups that are life-size or larger. Images through microscopes are "photomicrographs."
Cyan
5 -000 Kelvin

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

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3. A technique used to maintain sharp focus on a subject that is moving toward you is called what?
Glossy paper
Metadata
The entire range of colors that can be seen - reproduced - or captured. Our eyes have a greater gamut than a print or monitor.
Follow focus

4. Resolution refers to what?
Dynamic range
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.
The number of pixels per unit of length in a image
5000K

5. What is the best color profile for web images?
sRGB
Sensor size - the larger the sensor size - the longer the focal length of a normal lens. (Corresponds to a diagonal line across the frame)
Butterfly lighting
Broad lighting

6. Name 2 ways you can decrease depth of field.
1) Use a longer lens; 2) Move closer to the subject
lens-to-subject distance
One stop
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).

7. The amount of motion blur in an image will increase if you do what?
Reciprocal relationship
Similar to a normal lens at about 30 degrees
lengthen (or slow) the shutter speed
Internet = 72 dpi; Newspaper = 150 dpi; Photographic print = 240-300 dpi; Gloss magazine = 400 dpi

8. What does ISO stand for?
Close-ups that are life-size or larger. Images through microscopes are "photomicrographs."
Variations command
International Organization for Standardization
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.

9. A histogram shows what in an image?
The brightness of all the pixels in an image
Butterfly lighting
Use positive exposure compensation (overexposure). A reflected meter reading will attempt to make the scene 18% gray - employ overexposure to adjust.
Short lighting

10. What is interpolated resolution?
Direct sun at 11 -000 Kelvin
On a scanner; it guesses what the pixels look like in between the ones the scanner can actually measure.
90 degrees. If using to eliminate reflections - it should be used at 35 degrees.
Levels adjustment

11. In a curves adjustment layer - what does the shape of the curve indicate?
Contrast
Use and adjustment layer
Fisheye
Shutter-priority

12. How is brightness and contrast best controlled in Photoshop?
A mirror and pentaprism
sRGB
Levels adjustment
Parallax

13. This type of backup system is fault-tolerant because it creates redundant data.
Aperture
Incident light meter
RAID system
lengthen (or slow) the shutter speed

14. Name two ways you can increase depth of field (other than changing aperture).
Use positive exposure compensation (overexposure). A reflected meter reading will attempt to make the scene 18% gray - employ overexposure to adjust.
1) Use a shorter focal length; 2) Move farther away from the subject
90 degrees. If using to eliminate reflections - it should be used at 35 degrees.
Follow focus

15. If an image is too green - what color adjustment should be made in Photoshop to correct it?
Add magenta
Short lighting.
The diaphragm - the mechanism that controls aperture.
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).

16. If an image is too red - what color adjustment should be made in Photoshop to correct it?
Lasso tool
Aperture-Priority
The sensor that converts the image from analog to digital (1's and 0's) CCD=charge coupled device; CMOS=complementary metal-oxide semiconductor
Add cyan

17. What is burning?
A RAW file that has been altered
Selectively increasing print exposure - which will make select parts of the image darker
flat - low contrast light
The number of pixels per unit of length in a image

18. When the additive primaries are mixed together equally - what is created?
White (additive primaries are Red - Green Blue)
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.
Along the lines of an imaginary grid at intersecting points that divide the image into thirds horizontally and vertically
Similar to a normal lens at about 30 degrees

19. The smallest unit of digital information is called a what?
A high contrast image
Bit
High Dynamic Range
Add yellow

20. Sharpness from near to far is controlled by what?
Aperture
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.
Convex
Lasso tool

21. Most lenses are sharpest closed down to how many stops from the widest?
1 or 2
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.
Snoot
Aperture and shutter

22. When the size of the aperture is decreased - it is said to be what?
Fair Use
Follow focus
stopped down
The amount of information contained in each pixel

23. What is the usable exposure range - or range of subject brightness called?
5000K
Dynamic range
Reciprocal relationship
A new layer

24. Going clockwise around the color wheel - starting with RED - what is the progression of colors?
Red - Yellow - Green - Cyan - Blue - Magenta
Hue - Luminance - Saturation
Add yellow
Aperture

25. Blue is opposite what color on the color wheel?
Curves adjustment; Levels adjustment; Brighteness/Contrast adjustment
Flattens out the volume of the subject and minimizes textures
Yellow
Selecting portions of the image based on color

26. What is a BYTE?
The amount of light reflected back from the subject during exposure.
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.
On a scanner; it guesses what the pixels look like in between the ones the scanner can actually measure.
Parallax

27. 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?
Magenta
a sensor (or film's) sensitivity to light
A RAW file that has been altered
Use positive exposure compensation (overexposure). A reflected meter reading will attempt to make the scene 18% gray - employ overexposure to adjust.

28. When doing close-up work - what happens to the depth of field when the subject is closer to the lens?
Very wide at about 180 degrees
256
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

29. Aperture controls what?
Cyan
The brightness of the light that reaches the sensor
One stop
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).

30. An SLR camera uses what to allow you to see exactly what you'll photograph?
Similar to a normal lens at about 30 degrees
A mirror and pentaprism
90 degrees. If using to eliminate reflections - it should be used at 35 degrees.
More of the background and foreground are sharp.

31. A magic wand tool is used for what?
four times more
Selecting portions of the image based on color
sensor
Shutter speed & aperture

32. 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
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.
The diagonal measurement of the sensor.
No

33. A tonal correction cannot be accomplished by using a...
Yellow
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.
hue/saturation adjustment layer
Aperture

34. What does the term "stop" mean?
A RAW file that has been altered
Direct sun at 11 -000 Kelvin
Keeps a moving subject sharp while blurring the background
A change in illumination

35. Photoshop's command for a simple way to start using color balance is what?
lens-to-subject distance
Variations command
Total number of pixels
90 degrees. If using to eliminate reflections - it should be used at 35 degrees.

36. This viewing option gives you the most accurate version of your image in Photoshop.
Actual Pixel view
5000K
Keeps a moving subject sharp while blurring the background
Click with the neutral-point dropper on the selected color

37. What is the term used to describe data contained in a digital image?
5 -000 Kelvin
White (255)
In the middle
Metadata

38. The area of acceptable sharpness in an image is called what?
Sensor size - the larger the sensor size - the longer the focal length of a normal lens. (Corresponds to a diagonal line across the frame)
Depth of field
A simple lens with two curved sides or one curved and one flat side; found in a compound lens.
Metamerism

39. What would you use an ICC profile for?
Shutter speed & aperture
To send accurate color requirements to a printer.
To strike the side of the face away from the camera.
Selectively blocking light during print exposure to lighten the area

40. What is the CCD or CMOS sensor?

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41. This light modifier can be used to highlight a specific area of the subject.
Aperture and shutter
A RAW file that has been altered
Snoot
The pixels per inch a scanner is capable of capturing often described as two numbers (i.e. 1200x2400)

42. How much resolution do you need for: Internet? Newspaper? Photographic print? Glossy magazine?
Internet = 72 dpi; Newspaper = 150 dpi; Photographic print = 240-300 dpi; Gloss magazine = 400 dpi
Cyan
Add cyan
Shutter-priority

43. What are the effects of top lighting?
RAID system
A mirror and pentaprism
Inkjet black & white printing where color cartridges are replaced with shades of gray - resulting in smooth tones and slight color cast
Creates deep shadows in eye pockets - under nose - and chin.

44. Why is depth of field greater on a short lens versus a long lens?
Very wide at about 180 degrees
Zoom lens
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.
Blue

45. Focal length controls what?
Add yellow
1) Magnification - or the size of the subject; 2) Angle of view
Blown highlights
24 bits per pixel (8 per color) - which gives 16 -777 -216 colors

46. 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?
Internet = 72 dpi; Newspaper = 150 dpi; Photographic print = 240-300 dpi; Gloss magazine = 400 dpi
Use negative exposure compensation (underexpose). The meter will attempt to make the dark scene 18% grey - underexpose to bring it back to dark.
Levels adjustment
Follow focus

47. A color image with smooth gradiations requires at least what bit depth?
24 bits per pixel (8 per color) - which gives 16 -777 -216 colors
flat - low contrast light
The brightness of all the pixels in an image
Contrast

48. Stopping a lens down from f/8 to f/16 represents a X stop difference.
Two (f/8 > f/11 > f/16)
Blue
White (additive primaries are Red - Green Blue)
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).

49. What are the effects of high side lighting?
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.
lens-to-subject distance
Through the Lens. A camera that can automatically control flash exposure using sensors inside the camera.
four times more

50. What is a derivative file?
A RAW file that has been altered
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 diagonal measurement of the sensor.
Zoom lens