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. Stopping a lens down from f/8 to f/16 represents a X stop difference.
Two (f/8 > f/11 > f/16)
Aperture - focal length - and distance to the subject
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.
To strike the side of the face away from the camera.

2. What is burning?
Flattens out the volume of the subject and minimizes textures
Selectively increasing print exposure - which will make select parts of the image darker
Black (0)
A simple lens with two curved sides or one curved and one flat side; found in a compound lens.

3. The quantity of light that reaches your sensor is controlled by what?
sRGB
Black (0)
Shutter speed & aperture
Small light source at an angle to the subject

4. What is the usable exposure range - or range of subject brightness called?
Front lighting
Click with the neutral-point dropper on the selected color
Dynamic range
Aperture-priority

5. This stores electronic images captured in a digital camera until they can be transferred to a computer.
lengthen (or slow) the shutter speed
Memory card / flash card / compact flash card
Red - Yellow - Green - Cyan - Blue - Magenta
Click with the neutral-point dropper on the selected color

6. What do the bars on the right of a histogram represent?
3200 Kelvin
Incident light meter
Infinity
White (255)

7. What is a derivative file?
To strike the side of the face away from the camera.
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)
A RAW file that has been altered
Red - Yellow - Green - Cyan - Blue - Magenta

8. A magic wand tool is used for what?
Selecting portions of the image based on color
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.
Add red
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.

9. What is a Bit?
Add cyan
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.
Black (0)
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.

10. Digital cameras use what set of primary colors?
Additive (R - G - B)
3200 Kelvin
Memory card / flash card / compact flash card
The difference between light and dark.

11. What is TTL?
Through the Lens. A camera that can automatically control flash exposure using sensors inside the camera.
1) Use a shorter focal length; 2) Move farther away from the subject
dynamic range (not to be confused with gamut)
The brightness of the light that reaches the sensor

12. What color is opposite Red on the color wheel?
The sensor that converts the image from analog to digital (1's and 0's) CCD=charge coupled device; CMOS=complementary metal-oxide semiconductor
1 or 2
Cyan
Short lighting.

13. A histogram with peaks on either end of the histogram and a deep valley in between represents what?
The distance between the lens rear nodal point and the focal plane when the lens is focused at infinity.
A high contrast image
The brightness of the light that reaches the sensor
Small light source at an angle to the subject

14. Perspective is affected by what?
Glossy paper
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.
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.

15. In short lighting - where is the main light placed?
1/250th
Add cyan
To strike the side of the face away from the camera.
JPEG

16. Copyright law has certain built-in exceptions that allow for special situations in using copyrighted material. They are called what?
Aperture
Fair Use
Actual Pixel view
Front lighting

17. A 1:1 lighting ratio produces what lighting result?
The brightness of all the pixels in an image
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.
Close-ups that are life-size or larger. Images through microscopes are "photomicrographs."
Flat lighting

18. What is the inverse square law?
Dynamic range
Click with the neutral-point dropper on the selected color
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.
One stop

19. What kind of meter is built in to most cameras?
3:1 or 4:1
Reflected light meter
Aperture-priority
3200 Kelvin

20. 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 brightness of all the pixels in an image
Very wide at about 180 degrees
Use positive exposure compensation (overexposure). A reflected meter reading will attempt to make the scene 18% gray - employ overexposure to adjust.
Parallax

21. An incident-exposure reading for a fair-skinned subject reads f/8 - 1/125th at 100 ISO. The next subject is very dark skinned. What is the proper exposure for the second subject?

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22. What is the term used to describe human's change in perception of a color under different light sources?
Similar to a normal lens at about 30 degrees
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
On a scanner; it guesses what the pixels look like in between the ones the scanner can actually measure.

23. What is an element and where is it found?
Metadata
A simple lens with two curved sides or one curved and one flat side; found in a compound lens.
bend toward each other and converge at the focal point.
Use and adjustment layer

24. What kind of light will be produced when using a large white umbrella close to a subject?
No
flat - low contrast light
Shutter-Priority
Selectively increasing print exposure - which will make select parts of the image darker

25. What is the name of the issue that prevents you from seeing exactly what the lens sees when using a rangefinder camera?
Lasso tool
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)
One stop less
Parallax

26. When the subtractive primaries are added together equally - what is created?
Yellow
Black. Subtractive primaries are Magenta - Yellow - Cyan
9
One stop less

27. A ring of thin - overlapping leaves located inside the lens is called what?
Black (0)
Selectively blocking light during print exposure to lighten the area
The diaphragm - the mechanism that controls aperture.
a sensor (or film's) sensitivity to light

28. What color is opposite Green on the color wheel?
Internet = 72 dpi; Newspaper = 150 dpi; Photographic print = 240-300 dpi; Gloss magazine = 400 dpi
Magenta
Blown highlights
The entire range of colors that can be seen - reproduced - or captured. Our eyes have a greater gamut than a print or monitor.

29. When the size of the aperture is decreased - it is said to be what?
stopped down
Glossy paper
Use and adjustment layer
Metadata

30. Printers use what set of colors?
A simple lens with two curved sides or one curved and one flat side; found in a compound lens.
Subtractive primaries (plus black)
Follow focus
Follow focus

31. What is the term used to describe a sensor's sensitivity to light?
ISO
1 1/3 stops
A high contrast image
bend toward each other and converge at the focal point.

32. Most lenses are sharpest closed down to how many stops from the widest?
dynamic range (not to be confused with gamut)
1 or 2
To strike the side of the face away from the camera.
Direct sun at 11 -000 Kelvin

33. In the 20th century - black & white photographers used the Zone system to tame excessive contrast. Now - digital photographers use what?
1920 pixels by 2400 pixels (4.6 million pixels)
Selectively increasing print exposure - which will make select parts of the image darker
Shutter-Priority
High Dynamic Range

34. The useable exposure range of a sensor - or the range of subject brightness is called what?
To strike the side of the face away from the camera.
Add red
Aperture and shutter
dynamic range (not to be confused with gamut)

35. 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?
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.
Aperture - focal length - and distance 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.
Add yellow

36. To emphasize texture in a portrait - what kind of light source is recommended?
Hue - Luminance - Saturation
(X times Y = exposure) Intensity (aperture) x Time (shutter)
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.
Small light source at an angle to the subject

37. The image transmitted by the lens is recorded by the what?
24 bits per pixel (8 per color) - which gives 16 -777 -216 colors
sensor
Metamerism
Add cyan

38. Going clockwise around the color wheel - starting with RED - what is the progression of colors?
Red - Yellow - Green - Cyan - Blue - Magenta
Dynamic range
1) Use a longer lens; 2) Move closer to the subject
Depth of field

39. What light source has the highest color temperature?
Subtractive primaries (plus black)
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.
Metadata

40. Color systems divide all colors into which three measurements?
The sensor's sensitivity to light
flat - low contrast light
256
Hue - Luminance - Saturation

41. Using this kind of automatic exposure setting on the camera - you set the shutter speed and the camera sets the aperture.
Shutter-Priority
Levels adjustment
1 1/3 stops
A new layer

42. What is the optical resolution on a scanner defined as?
Add blue
The amount of information contained in each pixel
The pixels per inch a scanner is capable of capturing often described as two numbers (i.e. 1200x2400)
Yellow

43. If you're working with an automatic camera and you set the aperture and the camera sets the shutter speed - what mode are you working in?
Bit
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.
No
Aperture-priority

44. What does "photomacrograph" or "macrophotograph" mean?
aperture diameter
Small light source at an angle to the subject
1) Use a longer lens; 2) Move closer to the subject
Close-ups that are life-size or larger. Images through microscopes are "photomicrographs."

45. What is the name of the technique used to make a monitor look like what you will see on your print?
Soft proofing
Creates deep shadows in eye pockets - under nose - and chin.
factor of 2 = 1 stop compensation. (Each time a factor doubles - it's one additional stop)
5000K

46. What is a flag?
Add yellow
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
256
No

47. What kind of lighting pattern is useful to widen a subject?
Selecting portions of the image based on color
Broad lighting
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.
Blown highlights

48. If an image is too yellow - what color adjustment should be made in Photoshop to correct it?
Infrared
Use negative exposure compensation (underexpose). The meter will attempt to make the dark scene 18% grey - underexpose to bring it back to dark.
Add blue
More of the background and foreground are sharp.

49. This light modifier can be used to highlight a specific area of the subject.
Snoot
Lower
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.
four times more

50. What is the CCD or CMOS sensor?

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