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. Stopping a lens down from f/8 to f/16 represents a X stop difference.
Because you can move in close to the subject
A raster image
Two (f/8 > f/11 > f/16)
The amount of light reflected back from the subject during exposure.

2. When the size of the aperture is decreased - it is said to be what?
Aperture-priority
stopped down
Flattens out the volume of the subject and minimizes textures
Blue & Green

3. This kind of lens has a variable focal length.
The sensor's sensitivity to light
Use positive exposure compensation (overexposure). A reflected meter reading will attempt to make the scene 18% gray - employ overexposure to adjust.
Zoom lens
dynamic range (not to be confused with gamut)

4. What is the name of the technique used to make a monitor look like what you will see on your print?
A RAW file that has been altered
Soft proofing
Add yellow
1 or 2

5. What is a BYTE?
3200 Kelvin
Memory card / flash card / compact flash card
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.

6. According to the rule of thirds - where should the important parts of an image fall?
Flat lighting
Direct sun at 11 -000 Kelvin
Along the lines of an imaginary grid at intersecting points that divide the image into thirds horizontally and vertically
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.

7. How can you change the brightness of the background when using flash?
Lasso tool
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.
Butterfly lighting
four times more

8. Panning does what?
Keeps a moving subject sharp while blurring the background
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.
Blue
The diaphragm - the mechanism that controls aperture.

9. What angle of view does a spot meter read?
Maybe as little as 0.5 degrees or 1 degree
Variations command
Soft proofing
1) Use a longer lens; 2) Move closer to the subject

10. What kind of lighting patter is useful to narrow a face?
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.
Through the Lens. A camera that can automatically control flash exposure using sensors inside the camera.
1/250th
Short lighting

11. Name two ways you can increase depth of field (other than changing aperture).
Glossy paper
1) Use a shorter focal length; 2) Move farther away from the subject
Click with the neutral-point dropper on the selected color
lens-to-subject distance

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

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13. Blue is opposite what color on the color wheel?
The brightness of the light that reaches the sensor
Bit
A raster image
Yellow

14. According to the Inverse Square Law - at a distance of 10 feet from a flash - the area illuminated receives how much more/less light than the area illuminated at 20 feet from the flash?
The sensor that converts the image from analog to digital (1's and 0's) CCD=charge coupled device; CMOS=complementary metal-oxide semiconductor
four times more
lens-to-subject distance
Front lighting

15. As the aperture becomes smaller - what happens to the depth of field?
It increases
Aperture-priority
Yellow
Direct sun at 11 -000 Kelvin

16. What is interpolated resolution?
On a scanner; it guesses what the pixels look like in between the ones the scanner can actually measure.
It increases
Because you can move in close to the subject
8 stops

17. What do TTL systems react to?
The diagonal measurement of the sensor.
Small light source at an angle to the subject
White (additive primaries are Red - Green Blue)
The amount of light reflected back from the subject during exposure.

18. Can you save layers in a JPEG file format?
No
A raster image
One stop less
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.

19. If an image is too yellow - what color adjustment should be made in Photoshop to correct it?
Variations command
Use negative exposure compensation (underexpose). The meter will attempt to make the dark scene 18% grey - underexpose to bring it back to dark.
Add blue
Levels adjustment

20. What are quad- and hex- tone printing?
Inkjet black & white printing where color cartridges are replaced with shades of gray - resulting in smooth tones and slight color cast
Shutter-Priority
One stop
Aperture-Priority

21. What kind of lighting pattern places the key light directly in front of and higher than the face?
Depth of field
Because you can move in close to the subject
Metamerism
Butterfly lighting

22. Printers use what set of colors?
Contrast
Shutter-priority
A new layer
Subtractive primaries (plus black)

23. A normal (or standard) focal length lens approximates what?
1 or 2
A new layer
hue/saturation adjustment layer
The impression human vision gives

24. What angle of view does a reflected light meter read?
Similar to a normal lens at about 30 degrees
To strike the side of the face away from the camera.
5000K
Add green

25. What color is between Magenta and Cyan on the color wheel?
International Organization for Standardization
Use negative exposure compensation (underexpose). The meter will attempt to make the dark scene 18% grey - underexpose to bring it back to dark.
A new layer
Blue

26. A general purpose lens will provide an f-stop range of up to how many?
8 bits
8 stops
Follow focus
Selecting portions of the image based on color

27. Focal length controls what?
All colors
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
1) Magnification - or the size of the subject; 2) Angle of view
Yellow

28. What do the bars on the left of a histogram represent?
It increases
The brightness of the light that reaches the sensor
Through the Lens. A camera that can automatically control flash exposure using sensors inside the camera.
Black (0)

29. What is TTL?
Through the Lens. A camera that can automatically control flash exposure using sensors inside the camera.
3:1 or 4:1
Aperture-Priority
9

30. A technique used to maintain sharp focus on a subject that is moving toward you is called what?
24 bits per pixel (8 per color) - which gives 16 -777 -216 colors
Follow focus
Blue
1) Use a longer lens; 2) Move closer to the subject

31. What are luminance and illuminance?
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)
Butterfly lighting
9
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.

32. What do the bars on the right of a histogram represent?
Add blue
White (255)
The sensor that converts the image from analog to digital (1's and 0's) CCD=charge coupled device; CMOS=complementary metal-oxide semiconductor
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.

33. Contrast measures what in a print?
Yellow
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.
emphasizes textures
The difference between light and dark.

34. In short lighting - where is the main light placed?
Similar to a normal lens at about 30 degrees
A raster image
3:1 or 4:1
To strike the side of the face away from the camera.

35. What image adjustment tool uses a histogram display to alter an image?
Dynamic range
Infrared
Levels adjustment
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.

36. 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)
Selectively increasing print exposure - which will make select parts of the image darker
Short lighting.
More of the background and foreground are sharp.

37. What kind of film can help reduce haze in a landscape?
A change in illumination
Infrared
Use negative exposure compensation (underexpose). The meter will attempt to make the dark scene 18% grey - underexpose to bring it back to dark.
A simple lens with two curved sides or one curved and one flat side; found in a compound lens.

38. What kind of lighting pattern is useful to widen a subject?
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
Broad lighting
Along the lines of an imaginary grid at intersecting points that divide the image into thirds horizontally and vertically
3:1 or 4:1

39. Whenever another image is copied or moved into a file - Photoshop automatically creates what?
Black (0)
Add red
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.
A new layer

40. 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
lens-to-subject distance
Incident light meter
5000K

41. Digital cameras use what set of primary colors?
lengthen (or slow) the shutter speed
Zoom lens
Additive (R - G - B)
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.

42. Aperture controls what?
Add cyan
Magenta
The brightness of the light that reaches the sensor
The number of pixels per unit of length in a image

43. This kind of meter is preferred by photographers working in a studio situation where lighting conditions can be altered.
Because you can move in close to the subject
Short lighting
Incident light meter
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.

44. What does a neutral density filter do?
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.
Flat lighting
Add green

45. 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?
Blue & Green
5000K
JPEG
Use negative exposure compensation (underexpose). The meter will attempt to make the dark scene 18% grey - underexpose to bring it back to dark.

46. A ring of thin - overlapping leaves located inside the lens is called what?
lens-to-subject distance
The diaphragm - the mechanism that controls aperture.
Half as much light
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.

47. What is the best color profile for web images?
A change in illumination
Aperture
RAID system
sRGB

48. Generally - how much exposure compensation (in stops) should be used when using a polarizing filter?
1 1/3 stops
Magenta
Click with the neutral-point dropper on the selected color
Aperture

49. What would you use an ICC profile for?
3200 Kelvin
To send accurate color requirements to a printer.
Bit
Close-ups that are life-size or larger. Images through microscopes are "photomicrographs."

50. Going clockwise around the color wheel - starting with RED - what is the progression of colors?
Red - Yellow - Green - Cyan - Blue - Magenta
Very wide at about 180 degrees
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.
Flattens out the volume of the subject and minimizes textures