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. This stores electronic images captured in a digital camera until they can be transferred to a computer.
Actual Pixel view
Broad lighting
Memory card / flash card / compact flash card
Two (f/8 > f/11 > f/16)

2. Can you save layers in a JPEG file format?
Follow focus
One stop
Fisheye
No

3. In the 20th century - black & white photographers used the Zone system to tame excessive contrast. Now - digital photographers use what?
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).
Variations command
Add blue
High Dynamic Range

4. What color is opposite Green on the color wheel?
Direct sun at 11 -000 Kelvin
Short lighting.
Magenta
Aperture-Priority

5. To produce optimal sharpness - detail - and resolution - is a higher or lower ISO setting better?
White (255)
Creates deep shadows in eye pockets - under nose - and chin.
Parallax
Lower

6. Resolution refers to what?
The number of pixels per unit of length in a image
3200 Kelvin
ISO
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. What is a derivative file?
sRGB
A RAW file that has been altered
9
The sensor that converts the image from analog to digital (1's and 0's) CCD=charge coupled device; CMOS=complementary metal-oxide semiconductor

8. To minimize facial wrinkles - this type of lighting is best.
Levels adjustment
Bit
Front lighting
Aperture-priority

9. If you must move to reduce the amount of flash reaching your subject - how far do you move?
Aperture-Priority
Because you can move in close to the subject
Aperture - focal length - and distance to the subject
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.

10. When the subtractive primaries are added together equally - what is created?
Absorbs equal quantities of all wavelengths of light. It allows you to use wider apertures or slower shutter speeds without changing color balance.
Along the lines of an imaginary grid at intersecting points that divide the image into thirds horizontally and vertically
Black. Subtractive primaries are Magenta - Yellow - Cyan
Zoom lens

11. Name 3 ways to make a tonal adjustment in Photoshop.
Total number of pixels
Curves adjustment; Levels adjustment; Brighteness/Contrast adjustment
White (255)
Flattens out the volume of the subject and minimizes textures

12. What light source has the highest color temperature?
Lower
The sensor that converts the image from analog to digital (1's and 0's) CCD=charge coupled device; CMOS=complementary metal-oxide semiconductor
Total number of pixels
Direct sun at 11 -000 Kelvin

13. What color is between Magenta and Cyan on the color wheel?
Because you can move in close to the subject
Blue
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.
sRGB

14. What does a neutral density filter do?
Absorbs equal quantities of all wavelengths of light. It allows you to use wider apertures or slower shutter speeds without changing color balance.
Depth of field
Reflected light meter
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.

15. How much resolution do you need for: Internet? Newspaper? Photographic print? Glossy magazine?
No change. The EXPOSURE doesn't change or it would also change the background as well. Move the lights to adjust.
Two (f/8 > f/11 > f/16)
1/250th
Internet = 72 dpi; Newspaper = 150 dpi; Photographic print = 240-300 dpi; Gloss magazine = 400 dpi

16. Why does a short lens create wide-angle distortion?
256
24 bits per pixel (8 per color) - which gives 16 -777 -216 colors
Add blue
Because you can move in close to the subject

17. What does side lighting emphasize?
A new layer
emphasizes textures
dynamic range (not to be confused with gamut)
Aperture-Priority

18. All objects beyond the closest distance in focus will be sharp when this appears within the DOF scale.
A light-sensitive cell or sensor inside a flash unit that measures the amount of light reflecting off a subject when a flash is used.
(X times Y = exposure) Intensity (aperture) x Time (shutter)
Infinity
The impression human vision gives

19. When the size of the aperture is decreased - it is said to be what?
Selectively increasing print exposure - which will make select parts of the image darker
Add red
stopped down
White (255)

20. What does the term "stop" mean?
Half as much light
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.
ISO
A change in illumination

21. Tungsten is approximately what color temperature?
3200 Kelvin
Levels adjustment
Along the lines of an imaginary grid at intersecting points that divide the image into thirds horizontally and vertically
Flat lighting

22. According to the rule of thirds - where should the important parts of an image fall?
Hue - Luminance - Saturation
Along the lines of an imaginary grid at intersecting points that divide the image into thirds horizontally and vertically
A light-sensitive cell or sensor inside a flash unit that measures the amount of light reflecting off a subject when a flash is used.
Keeps a moving subject sharp while blurring the background

23. When mixed in varying proportion - the subtractive primary colors produce what?
1 1/3 stops
Parallax
Snoot
All colors

24. 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
(X times Y = exposure) Intensity (aperture) x Time (shutter)
1/250th
Aperture-priority

25. This type of backup system is fault-tolerant because it creates redundant data.
Use negative exposure compensation (underexpose). The meter will attempt to make the dark scene 18% grey - underexpose to bring it back to dark.
RAID system
Very wide at about 180 degrees
Aperture-Priority

26. A magic wand tool is used for what?
Selecting portions of the image based on color
Half as much light
A RAW file that has been altered
Sensor size - the larger the sensor size - the longer the focal length of a normal lens. (Corresponds to a diagonal line across the frame)

27. What Photoshop tool allows you to select an area of any size or shape by drawing freehand?
Lasso tool
Add yellow
Total number of pixels
Red - Yellow - Green - Cyan - Blue - Magenta

28. What is a thyristor?
Incident light meter
24 bits per pixel (8 per color) - which gives 16 -777 -216 colors
A light-sensitive cell or sensor inside a flash unit that measures the amount of light reflecting off a subject when a flash is used.
Short lighting.

29. When doing close-up work - what happens to the depth of field when the subject is closer to the lens?
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.
Add blue
dynamic range (not to be confused with gamut)
One stop

30. In a curves adjustment layer - what does the shape of the curve indicate?
256
Dynamic range
Contrast
Actual Pixel view

31. The term to describe the combination of aperture and shutter speed that can be changed by moving them in opposite directions.
A raster image
Reciprocal relationship
a sensor (or film's) sensitivity to light
1) Use a shorter focal length; 2) Move farther away from the subject

32. A ring of thin - overlapping leaves located inside the lens is called what?
Blown highlights
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 diaphragm - the mechanism that controls aperture.
Lasso tool

33. If an image is too cyan - what color adjustment should be made in Photoshop to correct it?
Use and adjustment layer
Add red
Subtractive primaries (plus black)
Butterfly lighting

34. Contrast measures what in a print?
Metadata fields that hold info on photographer - subject - and use.
The difference between light and dark.
Yellow
Add red

35. What angle of view does a spot meter read?
Cyan
Maybe as little as 0.5 degrees or 1 degree
International Organization for Standardization
Shutter-priority

36. A tonal correction cannot be accomplished by using a...
A high contrast image
hue/saturation adjustment layer
Infrared
Variations command

37. Maximum depth of field at a given aperture is achieved by focusing at what?
A mirror and pentaprism
Additive (R - G - B)
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.
Keeps a moving subject sharp while blurring the background

38. Cyan is composed of equal parts of what two colors?
Reflected light meter
Blue & Green
Levels adjustment
8 bits

39. What is focal length - technically?
The distance between the lens rear nodal point and the focal plane when the lens is focused at infinity.
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.
To strike the side of the face away from the camera.
Infinity

40. What are luminance and illuminance?
Contrast
Very wide at about 180 degrees
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)
Follow focus

41. What two controls adjust the amount of light that reaches the sensor?
No change. The EXPOSURE doesn't change or it would also change the background as well. Move the lights to adjust.
Reciprocal relationship
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.
Aperture and shutter

42. What is interpolated resolution?
On a scanner; it guesses what the pixels look like in between the ones the scanner can actually measure.
The difference between light and dark.
Reflected light meter
High Dynamic Range

43. Blue is opposite what color on the color wheel?
Variations command
The distance between the lens rear nodal point and the focal plane when the lens is focused at infinity.
Yellow
One stop

44. Name 2 ways you can decrease depth of field.
Glossy paper
1) Use a longer lens; 2) Move closer to the subject
Front lighting
1 1/3 stops

45. What do the bars on the left of a histogram represent?
A change in illumination
Black (0)
High Dynamic Range
3200 Kelvin

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

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47. If an image is too red - what color adjustment should be made in Photoshop to correct it?
1) Magnification - or the size of the subject; 2) Angle of view
Add cyan
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 light-sensitive cell or sensor inside a flash unit that measures the amount of light reflecting off a subject when a flash is used.

48. If you're working with an automatic camera and you set the aperture and the camera sets the shutter speed - what mode are you working in?
The brightness of the light that reaches the sensor
Selectively increasing print exposure - which will make select parts of the image darker
To send accurate color requirements to a printer.
Aperture-priority

49. How does 'unsharp mask' work?
The entire range of colors that can be seen - reproduced - or captured. Our eyes have a greater gamut than a print or monitor.
Infrared
The difference between light and dark.
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.

50. A lens with a very wide angle of view and produces barrel distortion is what kind of lens?
One stop
Blown highlights
Shutter speed & aperture
Fisheye