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. Panning does what?
Keeps a moving subject sharp while blurring the background
1/250th
The amount of information contained in each pixel
A raster image

2. 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?
four times more
5 -000 Kelvin
Additive (R - G - B)
8 bits

3. Daylight is approximately what color temperature?
Blown highlights
24 bits per pixel (8 per color) - which gives 16 -777 -216 colors
5 -000 Kelvin
The diagonal measurement of the sensor.

4. A filter with a factor of 2 requires how many stops of compensation?

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5. The quantity of light that reaches your sensor is controlled by what?
Hue - Luminance - Saturation
Yellow
Shutter speed & aperture
Contrast

6. What light source has the highest color temperature?
Levels adjustment
JPEG
Click with the neutral-point dropper on the selected color
Direct sun at 11 -000 Kelvin

7. What angle of view does a spot meter read?
Maybe as little as 0.5 degrees or 1 degree
Add blue
stopped down
Actual Pixel view

8. Digital cameras use what set of primary colors?
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.
3200 Kelvin
Additive (R - G - B)
3:1 or 4:1

9. To minimize facial wrinkles - this type of lighting is best.
Metadata fields that hold info on photographer - subject - and use.
sRGB
Direct sun at 11 -000 Kelvin
Front lighting

10. What is a derivative file?
Maybe as little as 0.5 degrees or 1 degree
Lasso tool
A RAW file that has been altered
Bit

11. How much resolution do you need for: Internet? Newspaper? Photographic print? Glossy magazine?
Selectively increasing print exposure - which will make select parts of the image darker
8 stops
Short lighting.
Internet = 72 dpi; Newspaper = 150 dpi; Photographic print = 240-300 dpi; Gloss magazine = 400 dpi

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

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13. Blue is opposite what color on the color wheel?
Yellow
High Dynamic Range
Sensor size - the larger the sensor size - the longer the focal length of a normal lens. (Corresponds to a diagonal line across the frame)
Bit

14. If you must move to reduce the amount of flash reaching your subject - how far do you move?
flat - low contrast light
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.
Shutter speed & aperture
Shutter-Priority

15. What is a Bit?
Reflected light meter
Short lighting
The amount of information contained in each pixel
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.

16. Why does a short lens create wide-angle distortion?
1 1/3 stops
Keeps a moving subject sharp while blurring the background
Because you can move in close to the subject
Similar to a normal lens at about 30 degrees

17. When mixed in varying proportion - the subtractive primary colors produce what?
Half as much light
Very wide at about 180 degrees
Use and adjustment layer
All colors

18. How is brightness and contrast best controlled in Photoshop?
Butterfly lighting
Levels adjustment
Metadata fields that hold info on photographer - subject - and use.
Front lighting

19. As the aperture is stopped down - what happens to sharpness?
More of the background and foreground are sharp.
Shutter speed & aperture
One stop
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.

20. What do TTL systems react to?
The amount of light reflected back from the subject during exposure.
Reflected light meter
Shutter speed & aperture
Flattens out the volume of the subject and minimizes textures

21. A ring of thin - overlapping leaves located inside the lens is called what?
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.
The diaphragm - the mechanism that controls aperture.
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

22. Going clockwise around the color wheel - starting with RED - what is the progression of colors?
Red - Yellow - Green - Cyan - Blue - Magenta
Zoom lens
Direct sun at 11 -000 Kelvin
The distance between the lens rear nodal point and the focal plane when the lens is focused at infinity.

23. What kind of light will be produced when using a large white umbrella close to a subject?
Aperture-priority
flat - low contrast light
High Dynamic Range
Additive (R - G - B)

24. Photoshop's command for a simple way to start using color balance is what?
Curves adjustment; Levels adjustment; Brighteness/Contrast adjustment
Add blue
Variations command
Cyan

25. What is the term used to describe human's change in perception of a color under different light sources?
Two (f/8 > f/11 > f/16)
Metamerism
9
Variations command

26. What kind of film can help reduce haze in a landscape?
Infrared
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.
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.
Blown highlights

27. 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?
stopped down
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 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.
5000K

28. If an image is too magenta - what color adjustment should be made in Photoshop to correct it?
Glossy paper
Add green
Incident light meter
Levels adjustment

29. What is the optical resolution on a scanner defined as?
The pixels per inch a scanner is capable of capturing often described as two numbers (i.e. 1200x2400)
The entire range of colors that can be seen - reproduced - or captured. Our eyes have a greater gamut than a print or monitor.
High Dynamic Range
Aperture - focal length - and distance to the subject

30. Sharpness from near to far is controlled by what?
It increases
Aperture
Absorbs equal quantities of all wavelengths of light. It allows you to use wider apertures or slower shutter speeds without changing color balance.
Infinity

31. What is the suggested shutter speed to stop action of a child running parallel to the film plan - about 25 feet from the camera?
One stop
More of the background and foreground are sharp.
1/250th
To strike the side of the face away from the camera.

32. To emphasize texture in a portrait - what kind of light source is recommended?
One stop less
The diaphragm - the mechanism that controls aperture.
8 stops
Small light source at an angle to the subject

33. What kind of lighting pattern places the key light directly in front of and higher than the face?
Aperture - focal length - and distance to the subject
Butterfly lighting
90 degrees. If using to eliminate reflections - it should be used at 35 degrees.
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.

34. What is the usable exposure range - or range of subject brightness called?
Dynamic range
factor of 2 = 1 stop compensation. (Each time a factor doubles - it's one additional stop)
Magenta
sensor

35. What is interpolated resolution?
On a scanner; it guesses what the pixels look like in between the ones the scanner can actually measure.
aperture diameter
International Organization for Standardization
Additive (R - G - B)

36. Generally - traditional portraits use what lighting ratio?
JPEG
1/250th
A high contrast image
3:1 or 4:1

37. A 1:1 lighting ratio produces what lighting result?
The difference between light and dark.
A RAW file that has been altered
1920 pixels by 2400 pixels (4.6 million pixels)
Flat lighting

38. This type of backup system is fault-tolerant because it creates redundant data.
Actual Pixel view
RAID system
Blue & Green
ISO

39. A general purpose lens will provide an f-stop range of up to how many?
8 stops
stopped down
bend toward each other and converge at the focal point.
lens-to-subject distance

40. How would you define exposure in mathematical terms?
Use negative exposure compensation (underexpose). The meter will attempt to make the dark scene 18% grey - underexpose to bring it back to dark.
(X times Y = exposure) Intensity (aperture) x Time (shutter)
Short lighting
Blown highlights

41. What color is opposite Green on the color wheel?
Hue - Luminance - Saturation
Blue & Green
Magenta
Infrared

42. What is the name of the technique used to make a monitor look like what you will see on your print?
Add cyan
Creates deep shadows in eye pockets - under nose - and chin.
Through the Lens. A camera that can automatically control flash exposure using sensors inside the camera.
Soft proofing

43. Perspective is affected by what?
Half as much light
lens-to-subject distance
sRGB
To strike the side of the face away from the camera.

44. What kind of lighting pattern is useful to widen a subject?
Curves adjustment; Levels adjustment; Brighteness/Contrast adjustment
Broad lighting
The sensor's sensitivity to light
Aperture and shutter

45. What is TTL?
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.
256
Through the Lens. A camera that can automatically control flash exposure using sensors inside the camera.
Aperture-priority

46. If an image is too green - what color adjustment should be made in Photoshop to correct it?
Bit
Yellow
Add blue
Add magenta

47. The smallest unit of digital information is called a what?
Bit
Very wide at about 180 degrees
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.
Because you can move in close to the subject

48. This light modifier can be used to highlight a specific area of the subject.
Snoot
256
The brightness of the light that reaches the sensor
The distance between the lens rear nodal point and the focal plane when the lens is focused at infinity.

49. What is the general rule of thumb for the measurement of a 'normal' lens?
The diagonal measurement of the sensor.
A new layer
Follow focus
Aperture-priority

50. If an image is too cyan - what color adjustment should be made in Photoshop to correct it?
In the middle
Add red
90 degrees. If using to eliminate reflections - it should be used at 35 degrees.
Butterfly lighting