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. Convex lenses cause light rays to do what?
bend toward each other and converge at the focal point.
24 bits per pixel (8 per color) - which gives 16 -777 -216 colors
5000K
Very wide at about 180 degrees

2. Name two ways you can increase depth of field (other than changing aperture).
Levels adjustment
Metadata fields that hold info on photographer - subject - and use.
1) Use a shorter focal length; 2) Move farther away from the subject
Incident light meter

3. What does the term "stop" mean?
In the middle
A change in illumination
Flat lighting
White (additive primaries are Red - Green Blue)

4. What color is opposite Red on the color wheel?
Cyan
Half as much light
RAID system
Keeps a moving subject sharp while blurring the background

5. What is the term used to describe a sensor's sensitivity to light?
ISO
Half as much light
Very wide at about 180 degrees
The brightness of the light that reaches the sensor

6. Digital cameras use what set of primary colors?
Additive (R - G - B)
Add yellow
Zoom lens
Subtractive primaries (plus black)

7. Resolution refers to what?
The number of pixels per unit of length in a image
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
Creates deep shadows in eye pockets - under nose - and chin.

8. What is the CCD or CMOS sensor?

Warning: Invalid argument supplied for foreach() in /var/www/html/basicversity.com/show_quiz.php on line 183

9. What do TTL systems react to?
The amount of light reflected back from the subject during exposure.
Cyan
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.
Similar to a normal lens at about 30 degrees

10. Daylight is approximately what color temperature?
Click with the neutral-point dropper on the selected color
24 bits per pixel (8 per color) - which gives 16 -777 -216 colors
5 -000 Kelvin
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.

11. What are the effects of high side lighting?
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.
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.
Metadata
Short lighting.

12. This kind of lens has a variable focal length.
Zoom lens
Absorbs equal quantities of all wavelengths of light. It allows you to use wider apertures or slower shutter speeds without changing color balance.
Short lighting
The difference between light and dark.

13. What angle of view does a reflected light meter read?
Cyan
256
Aperture-Priority
Similar to a normal lens at about 30 degrees

14. What Photoshop tool allows you to select an area of any size or shape by drawing freehand?
Aperture
Lasso tool
Reflected light meter
Very wide at about 180 degrees

15. Sharpness from near to far is controlled by what?
Zoom lens
Aperture
1) Use a longer lens; 2) Move closer to the subject
Infrared

16. What two controls adjust the amount of light that reaches the sensor?
Levels adjustment
lens-to-subject distance
Aperture and shutter
90 degrees. If using to eliminate reflections - it should be used at 35 degrees.

17. How much resolution do you need for: Internet? Newspaper? Photographic print? Glossy magazine?
Add yellow
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.
Aperture-priority
Internet = 72 dpi; Newspaper = 150 dpi; Photographic print = 240-300 dpi; Gloss magazine = 400 dpi

18. Contrast measures what in a print?
The difference between light and dark.
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.
Selecting portions of the image based on color
All colors

19. 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.
Add yellow
White (additive primaries are Red - Green Blue)
Use negative exposure compensation (underexpose). The meter will attempt to make the dark scene 18% grey - underexpose to bring it back to dark.

20. What is the term used to describe human's change in perception of a color under different light sources?
Internet = 72 dpi; Newspaper = 150 dpi; Photographic print = 240-300 dpi; Gloss magazine = 400 dpi
Metamerism
The difference between light and dark.
The amount of light reflected back from the subject during exposure.

21. Doubling the aperture setting creates how many stops difference in the amount of light reaching the sensor?
Black. Subtractive primaries are Magenta - Yellow - Cyan
One stop
The number of pixels per unit of length in a image
Lower

22. What does "photomacrograph" or "macrophotograph" mean?
Red - Yellow - Green - Cyan - Blue - Magenta
Similar to a normal lens at about 30 degrees
Close-ups that are life-size or larger. Images through microscopes are "photomicrographs."
Lower

23. A lens with a very wide angle of view and produces barrel distortion is what kind of lens?
Inkjet black & white printing where color cartridges are replaced with shades of gray - resulting in smooth tones and slight color cast
Short lighting.
Fisheye
Metamerism

24. What angle should a polarizing filter be to the sun for best results?
Subtractive primaries (plus black)
Keeps a moving subject sharp while blurring the background
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)
90 degrees. If using to eliminate reflections - it should be used at 35 degrees.

25. A 1:1 lighting ratio produces what lighting result?
Incident light meter
No change. The EXPOSURE doesn't change or it would also change the background as well. Move the lights to adjust.
Short lighting.
Flat lighting

26. A histogram shows what in an image?
The brightness of all the pixels in an image
Shutter-Priority
Total number of pixels
A simple lens with two curved sides or one curved and one flat side; found in a compound lens.

27. Stopping a lens down from f/8 to f/16 represents a X stop difference.
The diaphragm - the mechanism that controls aperture.
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.
ISO
Two (f/8 > f/11 > f/16)

28. A magic wand tool is used for what?
Selecting portions of the image based on color
Add green
Close-ups that are life-size or larger. Images through microscopes are "photomicrographs."
Incident light meter

29. What is burning?
Selectively increasing print exposure - which will make select parts of the image darker
sensor
The diaphragm - the mechanism that controls aperture.
Metadata

30. This kind of meter is preferred by photographers working in a studio situation where lighting conditions can be altered.
Incident light meter
The brightness of the light that reaches the sensor
To strike the side of the face away from the camera.
Additive (R - G - B)

31. In the 20th century - black & white photographers used the Zone system to tame excessive contrast. Now - digital photographers use what?
High Dynamic Range
More of the background and foreground are sharp.
dynamic range (not to be confused with gamut)
1 or 2

32. The quantity of light that reaches your sensor is controlled by what?
1 1/3 stops
All colors
Because you can move in close to the subject
Shutter speed & aperture

33. What is the best color profile for web images?
Along the lines of an imaginary grid at intersecting points that divide the image into thirds horizontally and vertically
four times more
sRGB
The diagonal measurement of the sensor.

34. What are IPTC fields used for?
1) Use a longer lens; 2) Move closer to the subject
90 degrees. If using to eliminate reflections - it should be used at 35 degrees.
Metadata fields that hold info on photographer - subject - and use.
Variations command

35. The rule of thirds necessitates that the composition be divided into a grid of now many equal rectangles or squares?
Half as much light
Depth of field
Memory card / flash card / compact flash card
9

36. Name 2 ways you can decrease depth of field.
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.
1) Use a longer lens; 2) Move closer to the subject
Levels adjustment
The brightness of all the pixels in an image

37. According to the rule of thirds - where should the important parts of an image fall?
Aperture-priority
Follow focus
Along the lines of an imaginary grid at intersecting points that divide the image into thirds horizontally and vertically
Two (f/8 > f/11 > f/16)

38. How would you define exposure in mathematical terms?
(X times Y = exposure) Intensity (aperture) x Time (shutter)
Fair Use
Selectively increasing print exposure - which will make select parts of the image darker
Add red

39. What image adjustment tool uses a histogram display to alter an image?
Magenta
Levels adjustment
The number of pixels per unit of length in a image
factor of 2 = 1 stop compensation. (Each time a factor doubles - it's one additional stop)

40. An 8x10 at 240 dpi will have a resolution of what?
1920 pixels by 2400 pixels (4.6 million pixels)
Maybe as little as 0.5 degrees or 1 degree
1 1/3 stops
Reciprocal relationship

41. The histogram of a properly exposed grey card will show a vertical bar where on the histogram?
Reflected light meter
In the middle
Close-ups that are life-size or larger. Images through microscopes are "photomicrographs."
To strike the side of the face away from the camera.

42. 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?
1) Use a longer lens; 2) Move closer to the subject
Use negative exposure compensation (underexpose). The meter will attempt to make the dark scene 18% grey - underexpose to bring it back to dark.
1920 pixels by 2400 pixels (4.6 million pixels)
It increases

43. As the aperture becomes smaller - what happens to the depth of field?
In the middle
It increases
One stop
Convex

44. Most lenses are sharpest closed down to how many stops from the widest?
dynamic range (not to be confused with gamut)
1 or 2
Add green
Use and adjustment layer

45. What is the general rule of thumb for the measurement of a 'normal' lens?
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.
Black (0)
Dynamic range
The diagonal measurement of the sensor.

46. What is a flag?
The number of pixels per unit of length in a image
Aperture - focal length - and distance to the 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
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.

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

48. A tall vertical line on the right hand edge of a histogram indicates what?
Blown highlights
The diagonal measurement of the sensor.
Dynamic range
Reflected light meter

49. What kind of film can help reduce haze in a landscape?
Internet = 72 dpi; Newspaper = 150 dpi; Photographic print = 240-300 dpi; Gloss magazine = 400 dpi
Infrared
9
Add magenta

50. In a curves adjustment layer - what does the shape of the curve indicate?
Contrast
The amount of light reflected back from the subject during exposure.
Shutter-Priority
Click with the neutral-point dropper on the selected color