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Certified Professional Photographer

Instructions:

Answer 50 questions in 15 minutes.
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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. What does a neutral density filter do?
Curves adjustment; Levels adjustment; Brighteness/Contrast adjustment
Absorbs equal quantities of all wavelengths of light. It allows you to use wider apertures or slower shutter speeds without changing color balance.
Inkjet black & white printing where color cartridges are replaced with shades of gray - resulting in smooth tones and slight color cast
Selecting portions of the image based on color

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

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3. The rule of thirds necessitates that the composition be divided into a grid of now many equal rectangles or squares?
Add magenta
Metadata
White (255)
9

4. If an image is too magenta - what color adjustment should be made in Photoshop to correct it?
factor of 2 = 1 stop compensation. (Each time a factor doubles - it's one additional stop)
Because you can move in close to the subject
Add green
Lower

5. when adjusting an image with levels - if you want to make any color neutral quickly - what would you do?
Click with the neutral-point dropper on the selected color
Actual Pixel view
A RAW file that has been altered
Metamerism

6. What is the inverse square law?
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
One stop less
1) Magnification - or the size of the subject; 2) Angle of view
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.

7. What kind of meter is built in to most cameras?
Flattens out the volume of the subject and minimizes textures
Reflected light meter
Dynamic range
Yellow

8. Most modern lenses are based on this kind of lens.
Convex
Flattens out the volume of the subject and minimizes textures
Glossy paper
1/250th

9. A tall vertical line on the right hand edge of a histogram indicates what?
Lasso tool
Blown highlights
Follow focus
Magenta

10. This stores electronic images captured in a digital camera until they can be transferred to a computer.
Memory card / flash card / compact flash card
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 blue
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.

11. What do TTL systems react to?
1 1/3 stops
The amount of light reflected back from the subject during exposure.
Additive (R - G - B)
Half as much light

12. A lens set at f/4 admits how much more/less light than one set at f/2.8?
Fisheye
Half as much light
hue/saturation adjustment layer
Small light source at an angle to the subject

13. What angle of view does an incident meter read?
A new layer
Very wide at about 180 degrees
Black. Subtractive primaries are Magenta - Yellow - Cyan
Short lighting

14. Printers use how many bits per channel of information when printing?
8 bits
Use negative exposure compensation (underexpose). The meter will attempt to make the dark scene 18% grey - underexpose to bring it back to dark.
A RAW file that has been altered
Inkjet black & white printing where color cartridges are replaced with shades of gray - resulting in smooth tones and slight color cast

15. Can you save layers in a JPEG file format?
flat - low contrast light
Along the lines of an imaginary grid at intersecting points that divide the image into thirds horizontally and vertically
Levels adjustment
No

16. This type of file format compresses images by discarding pixels; therefore - each time an images is compressed - it loses pixels.
1 or 2
The number of pixels per unit of length in a image
No change. The EXPOSURE doesn't change or it would also change the background as well. Move the lights to adjust.
JPEG

17. What light source has the highest color temperature?
JPEG
Bit
The diaphragm - the mechanism that controls aperture.
Direct sun at 11 -000 Kelvin

18. What does the term "stop" mean?
5000K
Actual Pixel view
1) Use a shorter focal length; 2) Move farther away from the subject
A change in illumination

19. Maximum depth of field at a given aperture is achieved by focusing at what?
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.
Subtractive primaries (plus black)
One stop
Red - Yellow - Green - Cyan - Blue - Magenta

20. Name 3 ways to make a tonal adjustment in Photoshop.
To send accurate color requirements to a printer.
The amount of information contained in each pixel
Curves adjustment; Levels adjustment; Brighteness/Contrast adjustment
(X times Y = exposure) Intensity (aperture) x Time (shutter)

21. What is the effect of front lighting?
The number of pixels per unit of length in a image
Flattens out the volume of the subject and minimizes textures
Parallax
Aperture-Priority

22. The quantity of light that reaches your sensor is controlled by what?
Aperture-Priority
Click with the neutral-point dropper on the selected color
Shutter speed & aperture
stopped down

23. What angle of view does a reflected light meter read?
Convex
Similar to a normal lens at about 30 degrees
Magenta
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

24. Printers use what set of colors?
International Organization for Standardization
Broad lighting
Subtractive primaries (plus black)
Additive (R - G - B)

25. Resolution refers to what?
Creates deep shadows in eye pockets - under nose - and chin.
To strike the side of the face away from the camera.
The number of pixels per unit of length in a image
256

26. Cyan is composed of equal parts of what two colors?
The number of pixels per unit of length in a image
Blue & Green
Lower
To strike the side of the face away from the camera.

27. 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?
The impression human vision gives
(X times Y = exposure) Intensity (aperture) x Time (shutter)
On a scanner; it guesses what the pixels look like in between the ones the scanner can actually measure.
four times more

28. The amount of motion blur in an image will increase if you do what?
lengthen (or slow) the shutter speed
1/250th
1920 pixels by 2400 pixels (4.6 million pixels)
Metamerism

29. What is a color profile?
Blue
Follow focus
Very wide at about 180 degrees
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).

30. A ring of thin - overlapping leaves located inside the lens is called what?
Add yellow
ISO
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)
The diaphragm - the mechanism that controls aperture.

31. Blue is opposite what color on the color wheel?
Aperture-priority
Magenta
Black. Subtractive primaries are Magenta - Yellow - Cyan
Yellow

32. The histogram of a properly exposed grey card will show a vertical bar where on the histogram?
In the middle
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.
One stop less
The distance between the lens rear nodal point and the focal plane when the lens is focused at infinity.

33. What two controls adjust the amount of light that reaches the sensor?
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.
Blue & Green
Broad lighting
Aperture and shutter

34. 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?
Curves adjustment; Levels adjustment; Brighteness/Contrast adjustment
Use and adjustment layer
Use positive exposure compensation (overexposure). A reflected meter reading will attempt to make the scene 18% gray - employ overexposure to adjust.
Dynamic range

35. What kind of lighting pattern places the key light directly in front of and higher than the face?
Use and adjustment layer
Butterfly lighting
Lasso tool
Magenta

36. How much resolution do you need for: Internet? Newspaper? Photographic print? Glossy magazine?
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
Cyan
Internet = 72 dpi; Newspaper = 150 dpi; Photographic print = 240-300 dpi; Gloss magazine = 400 dpi
1 or 2

37. To produce optimal sharpness - detail - and resolution - is a higher or lower ISO setting better?
Add cyan
Lower
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.
Aperture - focal length - and distance to the subject

38. This type of backup system is fault-tolerant because it creates redundant data.
RAID system
On a scanner; it guesses what the pixels look like in between the ones the scanner can actually measure.
Aperture-priority
Broad lighting

39. An image made of pixels is sometimes called what?
A raster image
stopped down
RAID system
Aperture-Priority

40. What is gamut?
Actual Pixel view
Add magenta
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.
The entire range of colors that can be seen - reproduced - or captured. Our eyes have a greater gamut than a print or monitor.

41. To minimize facial wrinkles - this type of lighting is best.
Half as much light
Shutter speed & aperture
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.
Front lighting

42. How does 'unsharp mask' work?
Add green
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.
One stop
sRGB

43. All objects beyond the closest distance in focus will be sharp when this appears within the DOF scale.
Actual Pixel view
Infinity
The pixels per inch a scanner is capable of capturing often described as two numbers (i.e. 1200x2400)
Butterfly lighting

44. If an image is too green - what color adjustment should be made in Photoshop to correct it?
Short lighting
lengthen (or slow) the shutter speed
3:1 or 4:1
Add magenta

45. Tungsten is approximately what color temperature?
emphasizes textures
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.
3200 Kelvin
Add green

46. What image adjustment tool uses a histogram display to alter an image?
sRGB
Levels adjustment
Click with the neutral-point dropper on the selected color
Shutter-Priority

47. A technique used to maintain sharp focus on a subject that is moving toward you is called what?
Short lighting.
Memory card / flash card / compact flash card
Follow focus
Internet = 72 dpi; Newspaper = 150 dpi; Photographic print = 240-300 dpi; Gloss magazine = 400 dpi

48. Sharpness from near to far is controlled by what?
3:1 or 4:1
Use negative exposure compensation (underexpose). The meter will attempt to make the dark scene 18% grey - underexpose to bring it back to dark.
Aperture
Fisheye

49. 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?
Metadata
Memory card / flash card / compact flash card
Shutter-priority
Aperture

50. What is the term used to describe data contained in a digital image?
Metadata
Magenta
Very wide at about 180 degrees
The impression human vision gives

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