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. The image transmitted by the lens is recorded by the what?
The entire range of colors that can be seen - reproduced - or captured. Our eyes have a greater gamut than a print or monitor.
The sensor that converts the image from analog to digital (1's and 0's) CCD=charge coupled device; CMOS=complementary metal-oxide semiconductor
sensor
Metadata

2. If an image is too yellow - what color adjustment should be made in Photoshop to correct it?
Glossy paper
1 or 2
Add blue
A change in illumination

3. In short lighting - where is the main light placed?
Short lighting
Butterfly lighting
To strike the side of the face away from the camera.
90 degrees. If using to eliminate reflections - it should be used at 35 degrees.

4. What does a neutral density filter do?
Inkjet black & white printing where color cartridges are replaced with shades of gray - resulting in smooth tones and slight color cast
The sensor's sensitivity to light
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.

5. What is the term used to describe data contained in a digital image?
Metadata
Dynamic range
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.

6. Aperture controls what?
The brightness of the light that reaches the sensor
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
High Dynamic Range
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.

7. Color systems divide all colors into which three measurements?
bend toward each other and converge at the focal point.
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
Hue - Luminance - Saturation
(X times Y = exposure) Intensity (aperture) x Time (shutter)

8. What is focal length - technically?
The distance between the lens rear nodal point and the focal plane when the lens is focused at infinity.
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.
Fair Use
A simple lens with two curved sides or one curved and one flat side; found in a compound lens.

9. What are quad- and hex- tone printing?
Use and adjustment layer
Aperture and shutter
Inkjet black & white printing where color cartridges are replaced with shades of gray - resulting in smooth tones and slight color cast
hue/saturation adjustment layer

10. Photoshop's command for a simple way to start using color balance is what?
lengthen (or slow) the shutter speed
Variations command
emphasizes textures
Use negative exposure compensation (underexpose). The meter will attempt to make the dark scene 18% grey - underexpose to bring it back to dark.

11. 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.
All colors
factor of 2 = 1 stop compensation. (Each time a factor doubles - it's one additional stop)
The diagonal measurement of the sensor.

12. This stores electronic images captured in a digital camera until they can be transferred to a computer.
emphasizes textures
Two (f/8 > f/11 > f/16)
sRGB
Memory card / flash card / compact flash card

13. The quantity of light that reaches your sensor is controlled by what?
Shutter speed & aperture
four times more
RAID system
sRGB

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

15. This light modifier can be used to highlight a specific area of the subject.
Broad lighting
3200 Kelvin
Lasso tool
Snoot

16. Tungsten is approximately what color temperature?
To strike the side of the face away from the camera.
3200 Kelvin
(X times Y = exposure) Intensity (aperture) x Time (shutter)
Short lighting

17. The area of acceptable sharpness in an image is called what?
Depth of field
Infinity
In the middle
On a scanner; it guesses what the pixels look like in between the ones the scanner can actually measure.

18. A ring of thin - overlapping leaves located inside the lens is called what?
lens-to-subject distance
RAID system
The diaphragm - the mechanism that controls aperture.
hue/saturation adjustment layer

19. What is the name of the issue that prevents you from seeing exactly what the lens sees when using a rangefinder camera?
All colors
Selectively blocking light during print exposure to lighten the area
Parallax
It increases

20. When the subtractive primaries are added together equally - what is created?
Aperture-priority
Black. Subtractive primaries are Magenta - Yellow - Cyan
Blue
The diagonal measurement of the sensor.

21. 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?
All colors
Use negative exposure compensation (underexpose). The meter will attempt to make the dark scene 18% grey - underexpose to bring it back to dark.
Sensor size - the larger the sensor size - the longer the focal length of a normal lens. (Corresponds to a diagonal line across the frame)
Aperture

22. Name two ways you can increase depth of field (other than changing aperture).
3:1 or 4:1
Selectively blocking light during print exposure to lighten the area
Infrared
1) Use a shorter focal length; 2) Move farther away from the subject

23. 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?
Use positive exposure compensation (overexposure). A reflected meter reading will attempt to make the scene 18% gray - employ overexposure to adjust.
Yellow
High Dynamic Range
90 degrees. If using to eliminate reflections - it should be used at 35 degrees.

24. This viewing option gives you the most accurate version of your image in Photoshop.
Half as much light
High Dynamic Range
Actual Pixel view
The difference between light and dark.

25. Focal length controls what?
Curves adjustment; Levels adjustment; Brighteness/Contrast adjustment
1) Magnification - or the size of the subject; 2) Angle of view
Soft proofing
Metadata

26. A histogram shows what in an image?
Cyan
Soft proofing
The brightness of all the pixels in an image
Actual Pixel view

27. What angle of view does a reflected light meter read?
Similar to a normal lens at about 30 degrees
Aperture and shutter
Total number of pixels
Glossy paper

28. Bit depth refers to what?
Use negative exposure compensation (underexpose). The meter will attempt to make the dark scene 18% grey - underexpose to bring it back to dark.
One stop less
lens-to-subject distance
The amount of information contained in each pixel

29. A lens set at f/4 admits how much more/less light than one set at f/2.8?
Half as much light
The difference between light and dark.
Curves adjustment; Levels adjustment; Brighteness/Contrast adjustment
256

30. When the additive primaries are mixed together equally - what is created?
International Organization for Standardization
White (additive primaries are Red - Green Blue)
sensor
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.

31. What is the term used to describe human's change in perception of a color under different light sources?
The diaphragm - the mechanism that controls aperture.
Memory card / flash card / compact flash card
RAID system
Metamerism

32. What kind of light will be produced when using a large white umbrella close to a subject?
flat - low contrast light
Selectively blocking light during print exposure to lighten the area
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.
Soft proofing

33. Generally - traditional portraits use what lighting ratio?
3:1 or 4:1
5000K
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.
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. when adjusting an image with levels - if you want to make any color neutral quickly - what would you do?
factor of 2 = 1 stop compensation. (Each time a factor doubles - it's one additional stop)
Cyan
Click with the neutral-point dropper on the selected color
The number of pixels per unit of length in a image

35. What determines what will be a 'normal' focal length lens on a particular camera?
Sensor size - the larger the sensor size - the longer the focal length of a normal lens. (Corresponds to a diagonal line across the frame)
Lasso tool
9
Lower

36. If an image is too blue - what color adjustment should be made in Photoshop to correct it?
hue/saturation adjustment layer
Add yellow
A high contrast image
No

37. What is the name of the technique used to make a monitor look like what you will see on your print?
Reflected light meter
Soft proofing
Close-ups that are life-size or larger. Images through microscopes are "photomicrographs."
Very wide at about 180 degrees

38. If an image is too red - what color adjustment should be made in Photoshop to correct it?
1) Use a longer lens; 2) Move closer to the subject
Add cyan
256
A change in illumination

39. Sharpness from near to far is controlled by what?
Aperture
Subtractive primaries (plus black)
Curves adjustment; Levels adjustment; Brighteness/Contrast adjustment
Internet = 72 dpi; Newspaper = 150 dpi; Photographic print = 240-300 dpi; Gloss magazine = 400 dpi

40. What angle of view does an incident meter read?
Very wide at about 180 degrees
Close-ups that are life-size or larger. Images through microscopes are "photomicrographs."
A RAW file that has been altered
Metamerism

41. What kind of meter is built in to most cameras?
Reflected light meter
Add cyan
Use negative exposure compensation (underexpose). The meter will attempt to make the dark scene 18% grey - underexpose to bring it back to dark.
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.

42. Using this kind of automatic exposure setting on the camera - you set the shutter speed and the camera sets the aperture.
Zoom lens
The amount of light reflected back from the subject during exposure.
Shutter-Priority
aperture diameter

43. What angle should a polarizing filter be to the sun for best results?
1) Magnification - or the size of the subject; 2) Angle of view
lengthen (or slow) the shutter speed
90 degrees. If using to eliminate reflections - it should be used at 35 degrees.
No change. The EXPOSURE doesn't change or it would also change the background as well. Move the lights to adjust.

44. What is the inverse square law?
The intensity of the illumination is inversely proportional to the square of the distance from light to subject. At twice the distance from the subject - the light illuminates only 1/4 of the original.
8 stops
Follow focus
Black. Subtractive primaries are Magenta - Yellow - Cyan

45. How would you define exposure in mathematical terms?
To strike the side of the face away from the camera.
Along the lines of an imaginary grid at intersecting points that divide the image into thirds horizontally and vertically
(X times Y = exposure) Intensity (aperture) x Time (shutter)
Aperture and shutter

46. What light source has the highest color temperature?
Direct sun at 11 -000 Kelvin
International Organization for Standardization
To strike the side of the face away from the camera.
In the middle

47. In a 2:1 ratio - the shadow side of the subject would meter at X stop(s) less than the highlight side.
Keeps a moving subject sharp while blurring the background
One stop less
A RAW file that has been altered
Yellow

48. Digital cameras use what set of primary colors?
Add green
Hue - Luminance - Saturation
On a scanner; it guesses what the pixels look like in between the ones the scanner can actually measure.
Additive (R - G - B)

49. How much resolution do you need for: Internet? Newspaper? Photographic print? Glossy magazine?
Add cyan
Reflected light meter
Internet = 72 dpi; Newspaper = 150 dpi; Photographic print = 240-300 dpi; Gloss magazine = 400 dpi
1920 pixels by 2400 pixels (4.6 million pixels)

50. Printers use how many bits per channel of information when printing?
Metamerism
Fisheye
sensor
8 bits