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

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2. What is a derivative file?
A RAW file that has been altered
One stop
Levels adjustment
Actual Pixel view

3. What is the inverse square law?
The diaphragm - the mechanism that controls aperture.
24 bits per pixel (8 per color) - which gives 16 -777 -216 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.
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.

4. In a curves adjustment layer - what does the shape of the curve indicate?
Internet = 72 dpi; Newspaper = 150 dpi; Photographic print = 240-300 dpi; Gloss magazine = 400 dpi
Metadata
Shutter-Priority
Contrast

5. What Photoshop tool allows you to select an area of any size or shape by drawing freehand?
Infinity
A high contrast image
Lasso tool
5 -000 Kelvin

6. What kind of lighting pattern is best for average oval faces and round faces you want to slim?
The diaphragm - the mechanism that controls aperture.
Soft proofing
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.
Short lighting.

7. A tall vertical line on the right hand edge of a histogram indicates what?
Actual Pixel view
ISO
Blown highlights
Short lighting.

8. What determines what will be a 'normal' focal length lens on a particular camera?
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.
24 bits per pixel (8 per color) - which gives 16 -777 -216 colors
Sensor size - the larger the sensor size - the longer the focal length of a normal lens. (Corresponds to a diagonal line across the frame)
A new layer

9. What angle of view does a reflected light meter read?
90 degrees. If using to eliminate reflections - it should be used at 35 degrees.
Memory card / flash card / compact flash card
The impression human vision gives
Similar to a normal lens at about 30 degrees

10. Panning does what?
Close-ups that are life-size or larger. Images through microscopes are "photomicrographs."
Selectively blocking light during print exposure to lighten the area
Keeps a moving subject sharp while blurring the background
Cyan

11. When the subtractive primaries are added together equally - what is created?
The entire range of colors that can be seen - reproduced - or captured. Our eyes have a greater gamut than a print or monitor.
Black. Subtractive primaries are Magenta - Yellow - Cyan
sensor
Glossy paper

12. Perspective is affected by what?
lens-to-subject distance
Creates deep shadows in eye pockets - under nose - and chin.
four times more
RAID system

13. As the aperture is stopped down - what happens to sharpness?
More of the background and foreground are sharp.
Selectively blocking light during print exposure to lighten the area
Reciprocal relationship
The brightness of all the pixels in an image

14. What is the name of the technique used to make a monitor look like what you will see on your print?
Soft proofing
Absorbs equal quantities of all wavelengths of light. It allows you to use wider apertures or slower shutter speeds without changing color balance.
Keeps a moving subject sharp while blurring the background
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.

15. In a 2:1 ratio - the shadow side of the subject would meter at X stop(s) less than the highlight side.
stopped down
1/250th
One stop less
Actual Pixel view

16. This kind of meter is preferred by photographers working in a studio situation where lighting conditions can be altered.
A RAW file that has been altered
One stop
Red - Yellow - Green - Cyan - Blue - Magenta
Incident light meter

17. A tonal correction cannot be accomplished by using a...
Similar to a normal lens at about 30 degrees
hue/saturation adjustment layer
1) Use a longer lens; 2) Move closer to the subject
Snoot

18. What is the term used to describe a sensor's sensitivity to light?
Metamerism
Magenta
A simple lens with two curved sides or one curved and one flat side; found in a compound lens.
ISO

19. An 8x10 at 240 dpi will have a resolution of what?
3200 Kelvin
1920 pixels by 2400 pixels (4.6 million pixels)
Two (f/8 > f/11 > f/16)
Black. Subtractive primaries are Magenta - Yellow - Cyan

20. Using this kind of automatic exposure setting on the camera - you set the shutter speed and the camera sets the aperture.
Close-ups that are life-size or larger. Images through microscopes are "photomicrographs."
Shutter-Priority
Magenta
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.

21. Color systems divide all colors into which three measurements?
Hue - Luminance - Saturation
On a scanner; it guesses what the pixels look like in between the ones the scanner can actually measure.
Curves adjustment; Levels adjustment; Brighteness/Contrast adjustment
1) Use a longer lens; 2) Move closer to the subject

22. If an image is too red - what color adjustment should be made in Photoshop to correct it?
lengthen (or slow) the shutter speed
Add cyan
Similar to a normal lens at about 30 degrees
The impression human vision gives

23. The area of acceptable sharpness in an image is called what?
Butterfly lighting
A mirror and pentaprism
Depth of field
A change in illumination

24. If an image is too yellow - what color adjustment should be made in Photoshop to correct it?
Memory card / flash card / compact flash card
Follow focus
The amount of information contained in each pixel
Add blue

25. What is the term used to describe human's change in perception of a color under different light sources?
1) Use a longer lens; 2) Move closer to the subject
Metamerism
Curves adjustment; Levels adjustment; Brighteness/Contrast adjustment
It increases

26. What kind of film can help reduce haze in a landscape?
The number of pixels per unit of length in a image
Levels adjustment
5 -000 Kelvin
Infrared

27. What color is between Magenta and Cyan on the color wheel?
Aperture-priority
Blue
Shutter-Priority
aperture diameter

28. Blue is opposite what color on the color wheel?
emphasizes textures
Yellow
Levels adjustment
Inkjet black & white printing where color cartridges are replaced with shades of gray - resulting in smooth tones and slight color cast

29. This light modifier can be used to highlight a specific area of the subject.
The impression human vision gives
The pixels per inch a scanner is capable of capturing often described as two numbers (i.e. 1200x2400)
Snoot
Butterfly lighting

30. What kind of light will be produced when using a large white umbrella close to a subject?
Lasso tool
The diaphragm - the mechanism that controls aperture.
flat - low contrast light
Very wide at about 180 degrees

31. If an image is too magenta - what color adjustment should be made in Photoshop to correct it?
Add green
1) Magnification - or the size of the subject; 2) Angle of view
Use positive exposure compensation (overexposure). A reflected meter reading will attempt to make the scene 18% gray - employ overexposure to adjust.
Small light source at an angle to the subject

32. The smallest unit of digital information is called a what?
The difference between light and dark.
Bit
High Dynamic Range
Magenta

33. The rule of thirds necessitates that the composition be divided into a grid of now many equal rectangles or squares?
9
Dynamic range
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. Subtractive primaries are Magenta - Yellow - Cyan

34. If an image is too cyan - what color adjustment should be made in Photoshop to correct it?
The distance between the lens rear nodal point and the focal plane when the lens is focused at infinity.
It increases
Two (f/8 > f/11 > f/16)
Add red

35. What does side lighting emphasize?
One stop
Add yellow
Levels adjustment
emphasizes textures

36. Maximum depth of field at a given aperture is achieved by focusing at what?
Infinity
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.
256
Aperture

37. Photoshop's command for a simple way to start using color balance is what?
8 stops
5 -000 Kelvin
Variations command
To strike the side of the face away from the camera.

38. What kind of lighting patter is useful to narrow a face?
Metamerism
Short lighting
Sensor size - the larger the sensor size - the longer the focal length of a normal lens. (Corresponds to a diagonal line across the frame)
The diaphragm - the mechanism that controls aperture.

39. What angle of view does an incident meter read?
Very wide at about 180 degrees
Aperture - focal length - and distance to the subject
Red - Yellow - Green - Cyan - Blue - Magenta
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.

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

41. If an image is too blue - what color adjustment should be made in Photoshop to correct it?
Cyan
The pixels per inch a scanner is capable of capturing often described as two numbers (i.e. 1200x2400)
Add yellow
Total number of pixels

42. What is the name of the issue that prevents you from seeing exactly what the lens sees when using a rangefinder camera?
White (additive primaries are Red - Green 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.
Parallax
The brightness of the light that reaches the sensor

43. Cyan is composed of equal parts of what two colors?
White (additive primaries are Red - Green Blue)
Blue & Green
8 stops
Add cyan

44. What is interpolated resolution?
On a scanner; it guesses what the pixels look like in between the ones the scanner can actually measure.
Flattens out the volume of the subject and minimizes textures
Soft proofing
Lasso tool

45. Doubling the aperture setting creates how many stops difference in the amount of light reaching the sensor?
The diaphragm - the mechanism that controls aperture.
One stop
RAID system
Depth of field

46. What angle of view does a spot meter read?
hue/saturation adjustment layer
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.
Maybe as little as 0.5 degrees or 1 degree
White (additive primaries are Red - Green Blue)

47. What is the suggested shutter speed to stop action of a child running parallel to the film plan - about 25 feet from the camera?
1/250th
Short lighting
a sensor (or film's) sensitivity to light
5 -000 Kelvin

48. Convex lenses cause light rays to do what?
Small light source at an angle to the subject
bend toward each other and converge at the focal point.
Aperture and shutter
Butterfly lighting

49. A histogram shows what in an image?
The brightness of all the pixels in an image
Convex
Absorbs equal quantities of all wavelengths of light. It allows you to use wider apertures or slower shutter speeds without changing color balance.
9

50. The amount of motion blur in an image will increase if you do what?
The pixels per inch a scanner is capable of capturing often described as two numbers (i.e. 1200x2400)
A raster image
A RAW file that has been altered
lengthen (or slow) the shutter speed