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 color is opposite Red on the color wheel?
Snoot
RAID system
Cyan
Short lighting.

2. What do the bars on the left of a histogram represent?
Maybe as little as 0.5 degrees or 1 degree
Black (0)
Snoot
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.

3. A tall vertical line on the right hand edge of a histogram indicates what?
Actual Pixel view
Blown highlights
Butterfly lighting
Selecting portions of the image based on color

4. Copyright law has certain built-in exceptions that allow for special situations in using copyrighted material. They are called what?
Fair Use
Black. Subtractive primaries are Magenta - Yellow - Cyan
5000K
Levels adjustment

5. Name 3 ways to make a tonal adjustment in Photoshop.
Blue
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.
Curves adjustment; Levels adjustment; Brighteness/Contrast adjustment
Short lighting

6. What light source has the highest color temperature?
RAID system
White (255)
Direct sun at 11 -000 Kelvin
Through the Lens. A camera that can automatically control flash exposure using sensors inside the camera.

7. 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?
5000K
Contrast
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).
The pixels per inch a scanner is capable of capturing often described as two numbers (i.e. 1200x2400)

8. To minimize facial wrinkles - this type of lighting is best.
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.
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).
Front lighting
Fisheye

9. An SLR camera uses what to allow you to see exactly what you'll photograph?
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.
Subtractive primaries (plus black)
A mirror and pentaprism
JPEG

10. To emphasize texture in a portrait - what kind of light source is recommended?
Sensor size - the larger the sensor size - the longer the focal length of a normal lens. (Corresponds to a diagonal line across the frame)
Small light source at an angle to the subject
Infrared
No

11. How does 'unsharp mask' work?
One stop less
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.
Shutter speed & aperture

12. A 1:1 lighting ratio produces what lighting result?
The amount of light reflected back from the subject during exposure.
A new layer
1) Use a longer lens; 2) Move closer to the subject
Flat lighting

13. The useable exposure range of a sensor - or the range of subject brightness is called what?
Add cyan
On a scanner; it guesses what the pixels look like in between the ones the scanner can actually measure.
dynamic range (not to be confused with gamut)
Selectively increasing print exposure - which will make select parts of the image darker

14. What is the usable exposure range - or range of subject brightness called?
Through the Lens. A camera that can automatically control flash exposure using sensors inside the camera.
Direct sun at 11 -000 Kelvin
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.
Dynamic range

15. Digital cameras use what set of primary colors?
Additive (R - G - B)
On a scanner; it guesses what the pixels look like in between the ones the scanner can actually measure.
Lasso tool
factor of 2 = 1 stop compensation. (Each time a factor doubles - it's one additional stop)

16. Most lenses are sharpest closed down to how many stops from the widest?
1 or 2
A RAW file that has been altered
Half as much light
Absorbs equal quantities of all wavelengths of light. It allows you to use wider apertures or slower shutter speeds without changing color balance.

17. If you must move to reduce the amount of flash reaching your subject - how far do you move?
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.
Yellow
The brightness of the light that reaches the sensor
Metadata fields that hold info on photographer - subject - and use.

18. What color is between Magenta and Cyan on the color wheel?
Depth of field
Very wide at about 180 degrees
Blue
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.

19. A color image with smooth gradiations requires at least what bit depth?
The entire range of colors that can be seen - reproduced - or captured. Our eyes have a greater gamut than a print or monitor.
Keeps a moving subject sharp while blurring the background
24 bits per pixel (8 per color) - which gives 16 -777 -216 colors
One stop less

20. Doubling the aperture setting creates how many stops difference in the amount of light reaching the sensor?
Aperture-priority
The distance between the lens rear nodal point and the focal plane when the lens is focused at infinity.
Follow focus
One stop

21. What is interpolated resolution?
Yellow
On a scanner; it guesses what the pixels look like in between the ones the scanner can actually measure.
flat - low contrast light
The pixels per inch a scanner is capable of capturing often described as two numbers (i.e. 1200x2400)

22. Using this kind of automatic exposure setting on the camera - you set the aperture and the camera sets the shutter speed.
One stop
Additive (R - G - B)
Aperture-Priority
Infrared

23. When mixed in varying proportion - the subtractive primary colors produce what?
Selecting portions of the image based on color
All colors
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.
1 or 2

24. 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?
Hue - Luminance - Saturation
four times more
Metadata
Short lighting

25. What determines what will be a 'normal' focal length lens on a particular camera?
Depth of field
In the middle
The distance between the lens rear nodal point and the focal plane when the lens is focused at infinity.
Sensor size - the larger the sensor size - the longer the focal length of a normal lens. (Corresponds to a diagonal line across the frame)

26. What kind of lighting pattern is best for average oval faces and round faces you want to slim?
Depth of field
One stop less
Butterfly lighting
Short lighting.

27. This viewing option gives you the most accurate version of your image in Photoshop.
Actual Pixel view
3200 Kelvin
Aperture-priority
White (255)

28. 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?
Yellow
a sensor (or film's) sensitivity to light
On a scanner; it guesses what the pixels look like in between the ones the scanner can actually measure.
5 -000 Kelvin

29. How would you define exposure in mathematical terms?
256
The difference between light and dark.
(X times Y = exposure) Intensity (aperture) x Time (shutter)
Absorbs equal quantities of all wavelengths of light. It allows you to use wider apertures or slower shutter speeds without changing color balance.

30. A lens with a very wide angle of view and produces barrel distortion is what kind of lens?
Dynamic range
The amount of light reflected back from the subject during exposure.
Fisheye
flat - low contrast light

31. As the aperture becomes smaller - what happens to the depth of field?
It increases
Fisheye
hue/saturation adjustment layer
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.

32. What image adjustment tool uses a histogram display to alter an image?
Levels adjustment
Black. Subtractive primaries are Magenta - Yellow - Cyan
Yellow
The diagonal measurement of the sensor.

33. As the aperture is stopped down - what happens to sharpness?
More of the background and foreground are sharp.
Very wide at about 180 degrees
Black. Subtractive primaries are Magenta - Yellow - Cyan
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.

34. Sharpness from near to far is controlled by what?
Aperture
Selectively increasing print exposure - which will make select parts of the image darker
The difference between light and dark.
Sensor size - the larger the sensor size - the longer the focal length of a normal lens. (Corresponds to a diagonal line across the frame)

35. What angle should a polarizing filter be to the sun for best results?
Small light source at an angle to the subject
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 stops
90 degrees. If using to eliminate reflections - it should be used at 35 degrees.

36. The quantity of light that reaches your sensor is controlled by what?
Levels adjustment
Shutter speed & aperture
Fair Use
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)

37. What is the best color profile for web images?
Cyan
sRGB
Yellow
Close-ups that are life-size or larger. Images through microscopes are "photomicrographs."

38. Color systems divide all colors into which three measurements?
Hue - Luminance - Saturation
Red - Yellow - Green - Cyan - Blue - Magenta
(X times Y = exposure) Intensity (aperture) x Time (shutter)
Keeps a moving subject sharp while blurring the background

39. Generally - how much exposure compensation (in stops) should be used when using a polarizing filter?
1 1/3 stops
Creates deep shadows in eye pockets - under nose - and chin.
Very wide at about 180 degrees
Flattens out the volume of the subject and minimizes textures

40. What is the effect of front lighting?
A new layer
Fair Use
Fisheye
Flattens out the volume of the subject and minimizes textures

41. 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.
Metamerism
More of the background and foreground are sharp.
Lower

42. Contrast measures what in a print?
The difference between light and dark.
Lasso tool
The entire range of colors that can be seen - reproduced - or captured. Our eyes have a greater gamut than a print or monitor.
stopped down

43. What angle of view does a spot meter read?
The number of pixels per unit of length in a image
3:1 or 4:1
Maybe as little as 0.5 degrees or 1 degree
Bit

44. Why is depth of field greater on a short lens versus a long lens?
Aperture-priority
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.
Curves adjustment; Levels adjustment; Brighteness/Contrast adjustment
dynamic range (not to be confused with gamut)

45. This kind of lens has a variable focal length.
Selectively increasing print exposure - which will make select parts of the image darker
Zoom lens
Short lighting.
Add red

46. Can you save layers in a JPEG file format?
Because you can move in close to the subject
A mirror and pentaprism
No
8 bits

47. A histogram with peaks on either end of the histogram and a deep valley in between represents what?
A high contrast image
JPEG
One stop less
To strike the side of the face away from the camera.

48. 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).
Blue
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.

49. What kind of film can help reduce haze in a landscape?
Flattens out the volume of the subject and minimizes textures
Yellow
Infrared
Aperture-priority

50. A lens set at f/4 admits how much more/less light than one set at f/2.8?
aperture diameter
Aperture-priority
Metadata
Half as much light