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. 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?
No
Butterfly lighting
The amount of information contained in each pixel
Use positive exposure compensation (overexposure). A reflected meter reading will attempt to make the scene 18% gray - employ overexposure to adjust.

2. This kind of meter is preferred by photographers working in a studio situation where lighting conditions can be altered.
Cyan
Incident light meter
Add green
1 1/3 stops

3. When the subtractive primaries are added together equally - what is created?
No change. The EXPOSURE doesn't change or it would also change the background as well. Move the lights to adjust.
Contrast
Black. Subtractive primaries are Magenta - Yellow - Cyan
5000K

4. What would you use an ICC profile for?
White (255)
Follow focus
To send accurate color requirements to a printer.
Subtractive primaries (plus black)

5. The amount of motion blur in an image will increase if you do what?
lengthen (or slow) the shutter speed
factor of 2 = 1 stop compensation. (Each time a factor doubles - it's one additional stop)
The distance between the lens rear nodal point and the focal plane when the lens is focused at infinity.
dynamic range (not to be confused with gamut)

6. In short lighting - where is the main light placed?
Selectively blocking light during print exposure to lighten the area
Aperture and shutter
Hue - Luminance - Saturation
To strike the side of the face away from the camera.

7. An image made of pixels is sometimes called what?
A raster image
International Organization for Standardization
Use and adjustment layer
Fair Use

8. What is the suggested shutter speed to stop action of a child running parallel to the film plan - about 25 feet from the camera?
The diagonal measurement of the sensor.
Selecting portions of the image based on color
Aperture - focal length - and distance to the subject
1/250th

9. The greatest tonal range from black to white is achievable on what kind of paper?
In the middle
Aperture and shutter
Shutter-priority
Glossy paper

10. Instead of permanently altering your image when adjusting for color and value - what should you do?
Actual Pixel view
Hue - Luminance - Saturation
Use and adjustment layer
A raster image

11. 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
To send accurate color requirements to a printer.
The sensor that converts the image from analog to digital (1's and 0's) CCD=charge coupled device; CMOS=complementary metal-oxide semiconductor
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.

12. Most lenses are sharpest closed down to how many stops from the widest?
Click with the neutral-point dropper on the selected color
Aperture - focal length - and distance to the subject
Metamerism
1 or 2

13. Contrast measures what in a print?
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
Add green
The difference between light and dark.
Snoot

14. Digital cameras use what set of primary colors?
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.
(X times Y = exposure) Intensity (aperture) x Time (shutter)
Additive (R - G - B)
Selecting portions of the image based on color

15. Resolution refers to what?
Lower
Front lighting
The number of pixels per unit of length in a image
Curves adjustment; Levels adjustment; Brighteness/Contrast adjustment

16. A histogram with peaks on either end of the histogram and a deep valley in between represents what?
Blue
A high contrast image
One stop
To send accurate color requirements to a printer.

17. Color systems divide all colors into which three measurements?
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.
Hue - Luminance - Saturation
Short lighting
stopped down

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

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19. This type of file format compresses images by discarding pixels; therefore - each time an images is compressed - it loses pixels.
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.
JPEG
Convex
5 -000 Kelvin

20. What is burning?
Black. Subtractive primaries are Magenta - Yellow - Cyan
Selectively increasing print exposure - which will make select parts of the image darker
Add blue
Soft proofing

21. If an image is too cyan - what color adjustment should be made in Photoshop to correct it?
Blue & Green
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)
Add red
A high contrast image

22. What kind of lighting pattern is best for average oval faces and round faces you want to slim?
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.
Short lighting.
Very wide at about 180 degrees
Blown highlights

23. Using this kind of automatic exposure setting on the camera - you set the shutter speed and the camera sets the aperture.
Shutter-Priority
A simple lens with two curved sides or one curved and one flat side; found in a compound lens.
Convex
Zoom lens

24. A lens set at f/4 admits how much more/less light than one set at f/2.8?
bend toward each other and converge at the focal point.
Half as much light
Through the Lens. A camera that can automatically control flash exposure using sensors inside the camera.
More of the background and foreground are sharp.

25. In a 2:1 ratio - the shadow side of the subject would meter at X stop(s) less than the highlight side.
One stop
Infinity
One stop less
Zoom lens

26. The area of acceptable sharpness in an image is called what?
Depth of field
Maybe as little as 0.5 degrees or 1 degree
Use positive exposure compensation (overexposure). A reflected meter reading will attempt to make the scene 18% gray - employ overexposure to adjust.
On a scanner; it guesses what the pixels look like in between the ones the scanner can actually measure.

27. What are the effects of high side lighting?
The amount of light reflected back from the subject during exposure.
Through the Lens. A camera that can automatically control flash exposure using sensors inside the camera.
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.
Black (0)

28. What is the term used to describe human's change in perception of a color under different light sources?
Metamerism
The sensor that converts the image from analog to digital (1's and 0's) CCD=charge coupled device; CMOS=complementary metal-oxide semiconductor
All colors
The amount of information contained in each pixel

29. What angle of view does a reflected light meter read?
Additive (R - G - B)
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.
Similar to a normal lens at about 30 degrees
JPEG

30. What kind of lighting pattern is useful to widen a subject?
Broad lighting
Black. Subtractive primaries are Magenta - Yellow - 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.
ISO

31. This kind of lens has a variable focal length.
Two (f/8 > f/11 > f/16)
Zoom lens
Add cyan
A new layer

32. Stopping a lens down from f/8 to f/16 represents a X stop difference.
Two (f/8 > f/11 > f/16)
Blue & Green
Yellow
Dynamic range

33. What are IPTC fields used for?
Absorbs equal quantities of all wavelengths of light. It allows you to use wider apertures or slower shutter speeds without changing color balance.
1) Magnification - or the size of the subject; 2) Angle of view
Lower
Metadata fields that hold info on photographer - subject - and use.

34. How can you change the brightness of the background when using flash?
Black (0)
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.
lengthen (or slow) the shutter speed
Levels adjustment

35. Generally - how much exposure compensation (in stops) should be used when using a polarizing filter?
To strike the side of the face away from the camera.
1 1/3 stops
Add cyan
9

36. What kind of light will be produced when using a large white umbrella close to a subject?
Half as much light
All colors
Depth of field
flat - low contrast light

37. What does ISO stand for?
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)
Two (f/8 > f/11 > f/16)
International Organization for Standardization
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.

38. 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?
Selectively increasing print exposure - which will make select parts of the image darker
5000K
Two (f/8 > f/11 > f/16)
Use negative exposure compensation (underexpose). The meter will attempt to make the dark scene 18% grey - underexpose to bring it back to dark.

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

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40. What color is opposite Red on the color wheel?
Infinity
Selecting portions of the image based on color
Cyan
Because you can move in close to the subject

41. Generally - traditional portraits use what lighting ratio?
3:1 or 4:1
Contrast
lens-to-subject distance
lengthen (or slow) the shutter speed

42. What is a BYTE?
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.
The impression human vision gives
Selectively increasing print exposure - which will make select parts of the image darker
A change in illumination

43. Can you save layers in a JPEG file format?
Creates deep shadows in eye pockets - under nose - and chin.
Add red
No
Lower

44. What two controls adjust the amount of light that reaches the sensor?
Selectively blocking light during print exposure to lighten the area
Levels adjustment
Sensor size - the larger the sensor size - the longer the focal length of a normal lens. (Corresponds to a diagonal line across the frame)
Aperture and shutter

45. To produce optimal sharpness - detail - and resolution - is a higher or lower ISO setting better?
Depth of field
Incident light meter
Lower
dynamic range (not to be confused with gamut)

46. What kind of lighting patter is useful to narrow a face?
hue/saturation adjustment layer
Short lighting
Butterfly lighting
Inkjet black & white printing where color cartridges are replaced with shades of gray - resulting in smooth tones and slight color cast

47. The smallest unit of digital information is called a what?
Lower
Contrast
Bit
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.

48. What color is between Magenta and Cyan on the color wheel?
Blue
Black (0)
The impression human vision gives
The amount of information contained in each pixel

49. If an image is too blue - what color adjustment should be made in Photoshop to correct it?
Add yellow
a sensor (or film's) sensitivity to light
ISO
Half as much light

50. How does 'unsharp mask' work?
Front 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.
White (255)
Short lighting.