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?
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.
sensor
Metadata

2. The relative aperture is equal to the lens focal length divided by what?
Soft proofing
On a scanner; it guesses what the pixels look like in between the ones the scanner can actually measure.
The entire range of colors that can be seen - reproduced - or captured. Our eyes have a greater gamut than a print or monitor.
aperture diameter

3. The area of acceptable sharpness in an image is called what?
Depth of field
To strike the side of the face away from the camera.
The sensor's sensitivity to light
1 or 2

4. What is a Bit?
lengthen (or slow) the shutter speed
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.
Fair Use
Infrared

5. A technique used to maintain sharp focus on a subject that is moving toward you is called what?
Reciprocal relationship
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.
Follow focus
Infinity

6. What does ISO stand for?
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.
Parallax
International Organization for Standardization
No

7. What is the term used to describe human's change in perception of a color under different light sources?
Glossy paper
JPEG
Cyan
Metamerism

8. Digital cameras use what set of primary colors?
Additive (R - G - B)
9
It increases
Add green

9. 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?
lens-to-subject distance
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.
Yellow
The entire range of colors that can be seen - reproduced - or captured. Our eyes have a greater gamut than a print or monitor.

10. This type of backup system is fault-tolerant because it creates redundant data.
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)
Inkjet black & white printing where color cartridges are replaced with shades of gray - resulting in smooth tones and slight color cast
1) Use a longer lens; 2) Move closer to the subject
RAID system

11. In a 2:1 ratio - the shadow side of the subject would meter at X stop(s) less than the highlight side.
JPEG
Aperture-priority
One stop less
Add magenta

12. Stopping a lens down from f/8 to f/16 represents a X stop difference.
(X times Y = exposure) Intensity (aperture) x Time (shutter)
Two (f/8 > f/11 > f/16)
The brightness of the light that reaches the sensor
Selecting portions of the image based on color

13. Can you save layers in a JPEG file format?
Very wide at about 180 degrees
Metadata fields that hold info on photographer - subject - and use.
No
Shutter-priority

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

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15. In short lighting - where is the main light placed?
Parallax
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.
More of the background and foreground are sharp.

16. What do the bars on the right of a histogram represent?
Shutter-Priority
Yellow
White (255)
Internet = 72 dpi; Newspaper = 150 dpi; Photographic print = 240-300 dpi; Gloss magazine = 400 dpi

17. Contrast measures what in a print?
Curves adjustment; Levels adjustment; Brighteness/Contrast adjustment
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.
Fair Use
The difference between light and dark.

18. 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?
The number of pixels per unit of length in a image
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.
Use positive exposure compensation (overexposure). A reflected meter reading will attempt to make the scene 18% gray - employ overexposure to adjust.
Direct sun at 11 -000 Kelvin

19. What is the suggested shutter speed to stop action of a child running parallel to the film plan - about 25 feet from the camera?
Shutter-Priority
1/250th
Aperture
International Organization for Standardization

20. The quantity of light that reaches your sensor is controlled by what?
Shutter speed & aperture
Memory card / flash card / compact flash card
Short lighting
It increases

21. What is a thyristor?
Because you can move in close to the subject
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.
Shutter speed & aperture
The brightness of all the pixels in an image

22. What is the usable exposure range - or range of subject brightness called?
Dynamic range
Two (f/8 > f/11 > f/16)
Maybe as little as 0.5 degrees or 1 degree
The brightness of the light that reaches the sensor

23. What kind of film can help reduce haze in a landscape?
Dynamic range
Two (f/8 > f/11 > f/16)
Magenta
Infrared

24. What is the best color profile for web images?
sRGB
Hue - Luminance - Saturation
Red - Yellow - Green - Cyan - Blue - Magenta
A RAW file that has been altered

25. What color is opposite Green on the color wheel?
A high contrast image
Use positive exposure compensation (overexposure). A reflected meter reading will attempt to make the scene 18% gray - employ overexposure to adjust.
Magenta
Depth of field

26. What is the term used to describe a sensor's sensitivity to light?
A high contrast image
ISO
Fisheye
Blue & Green

27. If an image is too magenta - what color adjustment should be made in Photoshop to correct it?
Butterfly lighting
Very wide at about 180 degrees
A simple lens with two curved sides or one curved and one flat side; found in a compound lens.
Add green

28. If an image is too green - what color adjustment should be made in Photoshop to correct it?
Aperture-Priority
Very wide at about 180 degrees
Depth of field
Add magenta

29. What is the inverse square law?
3:1 or 4:1
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.
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.
The diaphragm - the mechanism that controls aperture.

30. All objects beyond the closest distance in focus will be sharp when this appears within the DOF scale.
Aperture and shutter
Fair Use
Infinity
8 stops

31. A color image with smooth gradiations requires at least what bit depth?
A change in illumination
24 bits per pixel (8 per color) - which gives 16 -777 -216 colors
Red - Yellow - Green - Cyan - Blue - Magenta
Memory card / flash card / compact flash card

32. Daylight is approximately what color temperature?
(X times Y = exposure) Intensity (aperture) x Time (shutter)
5 -000 Kelvin
stopped down
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.

33. What angle should a polarizing filter be to the sun for best results?
90 degrees. If using to eliminate reflections - it should be used at 35 degrees.
9
Memory card / flash card / compact flash card
8 bits

34. Using this kind of automatic exposure setting on the camera - you set the shutter speed and the camera sets the aperture.
Shutter-Priority
Click with the neutral-point dropper on the selected color
The difference between light and dark.
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.

35. What color is between Magenta and Cyan on the color wheel?
Blue
International Organization for Standardization
Selecting portions of the image based on color
5000K

36. Instead of permanently altering your image when adjusting for color and value - what should you do?
Aperture-Priority
90 degrees. If using to eliminate reflections - it should be used at 35 degrees.
Use and adjustment layer
sensor

37. A 1:1 lighting ratio produces what lighting result?
The diaphragm - the mechanism that controls aperture.
Flat lighting
Additive (R - G - B)
Metamerism

38. What is gamut?
Close-ups that are life-size or larger. Images through microscopes are "photomicrographs."
The entire range of colors that can be seen - reproduced - or captured. Our eyes have a greater gamut than a print or monitor.
All colors
Add yellow

39. What is the effect of front lighting?
1 or 2
Incident light meter
5 -000 Kelvin
Flattens out the volume of the subject and minimizes textures

40. What is a BYTE?
Inkjet black & white printing where color cartridges are replaced with shades of gray - resulting in smooth tones and slight color cast
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.
Red - Yellow - Green - Cyan - Blue - Magenta
The number of pixels per unit of length in a image

41. The histogram of a properly exposed grey card will show a vertical bar where on the histogram?
In the middle
Red - Yellow - Green - Cyan - Blue - Magenta
Convex
Reflected light meter

42. Name 3 ways to make a tonal adjustment in Photoshop.
Short lighting
Cyan
To strike the side of the face away from the camera.
Curves adjustment; Levels adjustment; Brighteness/Contrast adjustment

43. A normal (or standard) focal length lens approximates what?
Follow focus
Levels adjustment
Butterfly lighting
The impression human vision gives

44. Why is depth of field greater on a short lens versus a long lens?
White (additive primaries are Red - Green Blue)
5000K
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.
Metadata fields that hold info on photographer - subject - and use.

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

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46. This kind of meter is preferred by photographers working in a studio situation where lighting conditions can be altered.
Aperture and shutter
Incident light meter
Close-ups that are life-size or larger. Images through microscopes are "photomicrographs."
Subtractive primaries (plus black)

47. In a digital image - the images file sizes corresponds to the total number of what in the image?
Total number of pixels
Close-ups that are life-size or larger. Images through microscopes are "photomicrographs."
Aperture and shutter
Absorbs equal quantities of all wavelengths of light. It allows you to use wider apertures or slower shutter speeds without changing color balance.

48. A lens with a very wide angle of view and produces barrel distortion is what kind of lens?
Fisheye
Red - Yellow - Green - Cyan - Blue - Magenta
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.
A new layer

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

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50. What is a flag?
Convex
sRGB
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
A RAW file that has been altered