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. Name two ways you can increase depth of field (other than changing aperture).
1) Use a shorter focal length; 2) Move farther away from the subject
Add magenta
Aperture and shutter
Short lighting.

2. What is the term used to describe a sensor's sensitivity to light?
Blue
Click with the neutral-point dropper on the selected color
ISO
Aperture - focal length - and distance to the subject

3. As the aperture is stopped down - what happens to sharpness?
Magenta
Metadata
More of the background and foreground are sharp.
Add yellow

4. Generally - traditional portraits use what lighting ratio?
3:1 or 4:1
flat - low contrast light
Yellow
Add blue

5. The image transmitted by the lens is recorded by the what?
Yellow
Actual Pixel view
One stop
sensor

6. A tonal correction cannot be accomplished by using a...
Creates deep shadows in eye pockets - under nose - and chin.
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.
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.
hue/saturation adjustment layer

7. What is the term used to describe data contained in a digital image?
Because you can move in close to the subject
1/250th
Metadata
sRGB

8. A ring of thin - overlapping leaves located inside the lens is called what?
A mirror and pentaprism
Black. Subtractive primaries are Magenta - Yellow - Cyan
The distance between the lens rear nodal point and the focal plane when the lens is focused at infinity.
The diaphragm - the mechanism that controls aperture.

9. What angle of view does an incident meter read?
No change. The EXPOSURE doesn't change or it would also change the background as well. Move the lights to adjust.
Very wide at about 180 degrees
The brightness of the light that reaches the sensor
A new layer

10. What does a neutral density filter do?
Absorbs equal quantities of all wavelengths of light. It allows you to use wider apertures or slower shutter speeds without changing color balance.
Fair Use
1/250th
A simple lens with two curved sides or one curved and one flat side; found in a compound lens.

11. When mixed in varying proportion - the subtractive primary colors produce what?
All colors
Depth of field
A high contrast image
Through the Lens. A camera that can automatically control flash exposure using sensors inside the camera.

12. What is the CCD or CMOS sensor?

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13. What are IPTC fields used for?
Contrast
Metadata fields that hold info on photographer - subject - and use.
1 or 2
To send accurate color requirements to a printer.

14. What image adjustment tool uses a histogram display to alter an image?
Levels adjustment
Very wide at about 180 degrees
Aperture and shutter
1) Magnification - or the size of the subject; 2) Angle of view

15. An 8x10 at 240 dpi will have a resolution of what?
9
1920 pixels by 2400 pixels (4.6 million pixels)
The diagonal measurement of the sensor.
A mirror and pentaprism

16. A histogram shows what in an image?
Hue - Luminance - Saturation
The brightness of all the pixels in an image
No change. The EXPOSURE doesn't change or it would also change the background as well. Move the lights to adjust.
No

17. What is a color profile?
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).
To strike the side of the face away from the camera.
Add yellow
lens-to-subject distance

18. A magic wand tool is used for what?
Incident light meter
The brightness of the light that reaches the sensor
Selecting portions of the image based on color
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.

19. Contrast measures what in a print?
a sensor (or film's) sensitivity to light
Add yellow
Short lighting.
The difference between light and dark.

20. A color image with smooth gradiations requires at least what bit depth?
A mirror and pentaprism
1) Use a longer lens; 2) Move closer to the subject
The amount of information contained in each pixel
24 bits per pixel (8 per color) - which gives 16 -777 -216 colors

21. Convex lenses cause light rays to do what?
Glossy paper
To strike the side of the face away from the camera.
bend toward each other and converge at the focal point.
Because you can move in close to the subject

22. An image made of pixels is sometimes called what?
A raster image
lens-to-subject distance
Total number of pixels
factor of 2 = 1 stop compensation. (Each time a factor doubles - it's one additional stop)

23. What color is opposite Green on the color wheel?
Magenta
White (255)
The brightness of the light that reaches the sensor
Red - Yellow - Green - Cyan - Blue - Magenta

24. What is the effect of front lighting?
Lower
Depth of field
The amount of light reflected back from the subject during exposure.
Flattens out the volume of the subject and minimizes textures

25. How would you define exposure in mathematical terms?
5 -000 Kelvin
A high contrast image
1 or 2
(X times Y = exposure) Intensity (aperture) x Time (shutter)

26. 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?
To strike the side of the face away from the camera.
White (additive primaries are Red - Green Blue)
Aperture-priority
The amount of information contained in each pixel

27. What is the best color profile for web images?
Total number of pixels
Aperture and shutter
Black (0)
sRGB

28. If an image is too blue - what color adjustment should be made in Photoshop to correct it?
Use positive exposure compensation (overexposure). A reflected meter reading will attempt to make the scene 18% gray - employ overexposure to adjust.
ISO
Add yellow
In the middle

29. The area of acceptable sharpness in an image is called what?
Depth of field
sRGB
Red - Yellow - Green - Cyan - Blue - Magenta
Reflected light meter

30. In the 20th century - black & white photographers used the Zone system to tame excessive contrast. Now - digital photographers use what?
Use positive exposure compensation (overexposure). A reflected meter reading will attempt to make the scene 18% gray - employ overexposure to adjust.
Contrast
Additive (R - G - B)
High Dynamic Range

31. What Photoshop tool allows you to select an area of any size or shape by drawing freehand?
Lasso tool
Add magenta
sRGB
A raster image

32. What kind of lighting pattern places the key light directly in front of and higher than the face?
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.
24 bits per pixel (8 per color) - which gives 16 -777 -216 colors
Butterfly lighting
International Organization for Standardization

33. This viewing option gives you the most accurate version of your image in Photoshop.
Hue - Luminance - Saturation
The diaphragm - the mechanism that controls aperture.
stopped down
Actual Pixel view

34. Most lenses are sharpest closed down to how many stops from the widest?
Selectively increasing print exposure - which will make select parts of the image darker
1 or 2
Selectively blocking light during print exposure to lighten the area
aperture diameter

35. What is interpolated resolution?
On a scanner; it guesses what the pixels look like in between the ones the scanner can actually measure.
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)
Variations command

36. What kind of lighting pattern is best for average oval faces and round faces you want to slim?
Subtractive primaries (plus black)
Short lighting.
Black (0)
The distance between the lens rear nodal point and the focal plane when the lens is focused at infinity.

37. Going clockwise around the color wheel - starting with RED - what is the progression of colors?
Aperture-Priority
Additive (R - G - B)
Through the Lens. A camera that can automatically control flash exposure using sensors inside the camera.
Red - Yellow - Green - Cyan - Blue - Magenta

38. What angle should a polarizing filter be to the sun for best results?
Infrared
90 degrees. If using to eliminate reflections - it should be used at 35 degrees.
Fisheye
Cyan

39. What are the three main factors that affect depth of field?
3:1 or 4:1
Aperture - focal length - and distance to the subject
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.
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.

40. What does ISO stand for?
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.
Similar to a normal lens at about 30 degrees
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.
International Organization for Standardization

41. A tall vertical line on the right hand edge of a histogram indicates what?
Very wide at about 180 degrees
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.
Blown highlights
Broad lighting

42. Name 3 ways to make a tonal adjustment in Photoshop.
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.
Curves adjustment; Levels adjustment; Brighteness/Contrast adjustment
Internet = 72 dpi; Newspaper = 150 dpi; Photographic print = 240-300 dpi; Gloss magazine = 400 dpi

43. Color systems divide all colors into which three measurements?
Yellow
emphasizes textures
A change in illumination
Hue - Luminance - Saturation

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

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45. What angle of view does a reflected light meter read?
Similar to a normal lens at about 30 degrees
On a scanner; it guesses what the pixels look like in between the ones the scanner can actually measure.
Direct sun at 11 -000 Kelvin
Reciprocal relationship

46. Can you save layers in a JPEG file format?
No
Selectively increasing print exposure - which will make select parts of the image darker
Aperture and shutter
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.

47. This technique allows you to keep a subject that is moving toward you well focused.
Follow focus
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.
Fair Use
Keeps a moving subject sharp while blurring the background

48. What are the effects of top lighting?
Snoot
Creates deep shadows in eye pockets - under nose - and chin.
The brightness of the light that reaches the sensor
Short lighting.

49. Why is depth of field greater on a short lens versus a long lens?
Shutter-priority
More of the background and foreground are sharp.
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.
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.

50. What is focal length - technically?
Cyan
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.
A change in illumination
The distance between the lens rear nodal point and the focal plane when the lens is focused at infinity.