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 is a color profile?
Levels adjustment
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).
A change in illumination
The entire range of colors that can be seen - reproduced - or captured. Our eyes have a greater gamut than a print or monitor.

2. Perspective is affected by what?
Black (0)
The amount of information contained in each pixel
To strike the side of the face away from the camera.
lens-to-subject distance

3. What is the optical resolution on a scanner defined as?
Soft proofing
The number of pixels per unit of length in a image
Actual Pixel view
The pixels per inch a scanner is capable of capturing often described as two numbers (i.e. 1200x2400)

4. The area of acceptable sharpness in an image is called what?
Aperture - focal length - and distance to the subject
Depth of field
dynamic range (not to be confused with gamut)
Add yellow

5. Using this kind of automatic exposure setting on the camera - you set the shutter speed and the camera sets the aperture.
Flat lighting
The amount of information contained in each pixel
The diaphragm - the mechanism that controls aperture.
Shutter-Priority

6. Printers use how many bits per channel of information when printing?
1) Use a longer lens; 2) Move closer to the subject
1920 pixels by 2400 pixels (4.6 million pixels)
8 bits
Black. Subtractive primaries are Magenta - Yellow - Cyan

7. What do the bars on the left of a histogram represent?
sensor
Levels adjustment
Black (0)
Infinity

8. What is burning?
Yellow
Butterfly lighting
Selectively increasing print exposure - which will make select parts of the image darker
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.

9. Printers use what set of colors?
Reflected light meter
Subtractive primaries (plus black)
Reciprocal relationship
On a scanner; it guesses what the pixels look like in between the ones the scanner can actually measure.

10. What angle of view does an incident meter read?
Blue & Green
Absorbs equal quantities of all wavelengths of light. It allows you to use wider apertures or slower shutter speeds without changing color balance.
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.
Very wide at about 180 degrees

11. If your print will be viewed mostly under window light - what is the suggested Kelvin temperature of the lights you should use to evaluate your print?
lengthen (or slow) the shutter speed
Yellow
5000K
Small light source at an angle to the subject

12. In the 20th century - black & white photographers used the Zone system to tame excessive contrast. Now - digital photographers use 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)
Blue
High Dynamic Range
On a scanner; it guesses what the pixels look like in between the ones the scanner can actually measure.

13. The image transmitted by the lens is recorded by the what?
High Dynamic Range
factor of 2 = 1 stop compensation. (Each time a factor doubles - it's one additional stop)
four times more
sensor

14. Daylight is approximately what color temperature?
5 -000 Kelvin
Reflected light meter
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.
Cyan

15. Resolution refers to what?
The number of pixels per unit of length in a image
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 & Green
Two (f/8 > f/11 > f/16)

16. What is the term used to describe data contained in a digital image?
Metadata
Shutter-Priority
Blue & Green
Glossy paper

17. What is the CCD or CMOS sensor?

18. What do TTL systems react to?
The amount of light reflected back from the subject during exposure.
Close-ups that are life-size or larger. Images through microscopes are "photomicrographs."
One stop
Metadata

19. What is dodging?
Use and adjustment layer
Selectively blocking light during print exposure to lighten the area
(X times Y = exposure) Intensity (aperture) x Time (shutter)
Fisheye

20. A tonal correction cannot be accomplished by using a...
Curves adjustment; Levels adjustment; Brighteness/Contrast adjustment
Glossy paper
hue/saturation adjustment layer
Half as much light

21. To emphasize texture in a portrait - what kind of light source is recommended?
To send accurate color requirements to a printer.
8 stops
Small light source at an angle to the subject
256

22. When the size of the aperture is decreased - it is said to be what?
Fair Use
stopped down
dynamic range (not to be confused with gamut)
A simple lens with two curved sides or one curved and one flat side; found in a compound lens.

23. A normal (or standard) focal length lens approximates what?
The impression human vision gives
One stop less
1/250th
Half as much light

24. What is gamut?
Flattens out the volume of the subject and minimizes textures
The entire range of colors that can be seen - reproduced - or captured. Our eyes have a greater gamut than a print or monitor.
Selectively blocking light during print exposure to lighten the area
Cyan

25. This viewing option gives you the most accurate version of your image in Photoshop.
Actual Pixel view
In the middle
It increases
To send accurate color requirements to a printer.

26. The relative aperture is equal to the lens focal length divided by what?
a sensor (or film's) sensitivity to light
aperture diameter
24 bits per pixel (8 per color) - which gives 16 -777 -216 colors
(X times Y = exposure) Intensity (aperture) x Time (shutter)

27. As the aperture becomes smaller - what happens to the depth of field?
It increases
Front lighting
Selectively blocking light during print exposure to lighten the area
Maybe as little as 0.5 degrees or 1 degree

28. A 1:1 lighting ratio produces what lighting result?
The sensor's sensitivity to light
Aperture-priority
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.
Flat lighting

29. What are the effects of top lighting?
Very wide at about 180 degrees
Creates deep shadows in eye pockets - under nose - and chin.
Half as much light
International Organization for Standardization

30. This light modifier can be used to highlight a specific area of the subject.
Snoot
1920 pixels by 2400 pixels (4.6 million pixels)
Blue
White (additive primaries are Red - Green Blue)

31. Most inkjet printers intended for photographic printing include light and dark inks of all of the colors except for one. Which color ink is usually available only in one density?
No
1 or 2
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.
Yellow

32. What image adjustment tool uses a histogram display to alter an image?
The amount of light reflected back from the subject during exposure.
In the middle
Inkjet black & white printing where color cartridges are replaced with shades of gray - resulting in smooth tones and slight color cast
Levels adjustment

33. Instead of permanently altering your image when adjusting for color and value - what should you do?
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
Blown highlights
Use and adjustment layer
Cyan

34. In short lighting - where is the main light placed?
Levels adjustment
To strike the side of the face away from the camera.
Short lighting
Contrast

35. A magic wand tool is used for what?
Selecting portions of the image based on color
3200 Kelvin
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.
Click with the neutral-point dropper on the selected color

36. Using this kind of automatic exposure setting on the camera - you set the aperture and the camera sets the shutter speed.
Creates deep shadows in eye pockets - under nose - and chin.
Direct sun at 11 -000 Kelvin
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)
Aperture-Priority

37. If you must move to reduce the amount of flash reaching your subject - how far do you move?
Follow focus
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.
(X times Y = exposure) Intensity (aperture) x Time (shutter)
9

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

39. A technique used to maintain sharp focus on a subject that is moving toward you is called what?
To send accurate color requirements to a printer.
Follow focus
The amount of light reflected back from the subject during exposure.
RAID system

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

41. What angle should a polarizing filter be to the sun for best results?
The difference between light and dark.
Blown highlights
bend toward each other and converge at the focal point.
90 degrees. If using to eliminate reflections - it should be used at 35 degrees.

42. Blue is opposite what color on the color wheel?
ISO
RAID system
Yellow
Red - Yellow - Green - Cyan - Blue - Magenta

43. What is the best color profile for web images?
Add green
More of the background and foreground are sharp.
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.
sRGB

44. This technique allows you to keep a subject that is moving toward you well focused.
Flattens out the volume of the subject and minimizes textures
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.
More of the background and foreground are sharp.
Follow focus

45. What do the bars on the right of a histogram represent?
1 1/3 stops
Fair Use
White (255)
Aperture-Priority

46. What angle of view does a reflected light meter read?
Similar to a normal lens at about 30 degrees
5000K
Blown highlights
Internet = 72 dpi; Newspaper = 150 dpi; Photographic print = 240-300 dpi; Gloss magazine = 400 dpi

47. Whenever another image is copied or moved into a file - Photoshop automatically creates what?
To strike the side of the face away from the camera.
A new layer
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.
Keeps a moving subject sharp while blurring the background

48. When mixed in varying proportion - the subtractive primary colors produce what?
emphasizes textures
Convex
All colors
Snoot

49. If an image is too magenta - what color adjustment should be made in Photoshop to correct it?
Follow focus
Absorbs equal quantities of all wavelengths of light. It allows you to use wider apertures or slower shutter speeds without changing color balance.
Add green
Very wide at about 180 degrees

50. What is the inverse square law?
Half as much light
8 bits
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.
Shutter-Priority