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. What kind of meter is built in to most cameras?
Reflected light meter
Add green
Very wide at about 180 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.

2. What is the optical resolution on a scanner defined as?
To strike the side of the face away from the camera.
Aperture-Priority
The pixels per inch a scanner is capable of capturing often described as two numbers (i.e. 1200x2400)
24 bits per pixel (8 per color) - which gives 16 -777 -216 colors

3. A magic wand tool is used for what?
Selecting portions of the image based on color
Flat lighting
Fisheye
More of the background and foreground are sharp.

4. 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?
Add blue
5000K
Depth of field
A change in illumination

5. A histogram shows what in an image?
The brightness of all the pixels in an image
Add red
Add magenta
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.

6. Doubling the aperture setting creates how many stops difference in the amount of light reaching the sensor?
1/250th
One stop
Add yellow
Blown highlights

7. What is the usable exposure range - or range of subject brightness called?
Dynamic range
5 -000 Kelvin
Click with the neutral-point dropper on the selected color
Add cyan

8. A normal (or standard) focal length lens approximates what?
Follow focus
Contrast
The impression human vision gives
The distance between the lens rear nodal point and the focal plane when the lens is focused at infinity.

9. What two controls adjust the amount of light that reaches the sensor?
Add red
Follow focus
Aperture and shutter
One stop

10. What is the inverse square law?
Incident light meter
Half as much light
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.
bend toward each other and converge at the focal point.

11. When doing close-up work - what happens to the depth of field when the subject is closer to the lens?
Blown highlights
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.
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.
A change in illumination

12. What is the term used to describe a sensor's sensitivity to light?
ISO
flat - low contrast light
Add magenta
In the middle

13. If an image is too blue - what color adjustment should be made in Photoshop to correct it?
Add yellow
Sensor size - the larger the sensor size - the longer the focal length of a normal lens. (Corresponds to a diagonal line across the frame)
Selectively blocking light during print exposure to lighten the area
Glossy paper

14. What is a derivative file?
A RAW file that has been altered
Dynamic range
Variations command
Parallax

15. The amount of motion blur in an image will increase if you do what?
Use and adjustment layer
Fair Use
lengthen (or slow) the shutter speed
Similar to a normal lens at about 30 degrees

16. This viewing option gives you the most accurate version of your image in Photoshop.
Depth of field
A mirror and pentaprism
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
Actual Pixel view

17. The useable exposure range of a sensor - or the range of subject brightness is called what?
8 bits
Cyan
dynamic range (not to be confused with gamut)
Glossy paper

18. This stores electronic images captured in a digital camera until they can be transferred to a computer.
Direct sun at 11 -000 Kelvin
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
Memory card / flash card / compact flash card

19. What angle of view does a spot meter read?
Broad lighting
bend toward each other and converge at the focal point.
Maybe as little as 0.5 degrees or 1 degree
JPEG

20. Generally - traditional portraits use what lighting ratio?
Metamerism
3:1 or 4:1
Bit
Additive (R - G - B)

21. 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?
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).
Aperture - focal length - and distance to the subject
The amount of information contained in each pixel
Aperture-priority

22. What is a Bit?
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.
Metadata fields that hold info on photographer - subject - and use.
Flat lighting
International Organization for Standardization

23. What color is between Magenta and Cyan on the color wheel?
JPEG
Parallax
1920 pixels by 2400 pixels (4.6 million pixels)
Blue

24. Generally - how much exposure compensation (in stops) should be used when using a polarizing filter?
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.
Blue & Green
Click with the neutral-point dropper on the selected color
1 1/3 stops

25. What is the name of the issue that prevents you from seeing exactly what the lens sees when using a rangefinder camera?
Parallax
One stop less
Similar to a normal lens at about 30 degrees
flat - low contrast light

26. When the additive primaries are mixed together equally - what is created?
Broad lighting
White (additive primaries are Red - Green Blue)
Inkjet black & white printing where color cartridges are replaced with shades of gray - resulting in smooth tones and slight color cast
Levels adjustment

27. Panning does what?
The amount of information contained in each pixel
lens-to-subject distance
Sensor size - the larger the sensor size - the longer the focal length of a normal lens. (Corresponds to a diagonal line across the frame)
Keeps a moving subject sharp while blurring the background

28. What is interpolated resolution?
ISO
To strike the side of the face away from the camera.
Parallax
On a scanner; it guesses what the pixels look like in between the ones the scanner can actually measure.

29. Copyright law has certain built-in exceptions that allow for special situations in using copyrighted material. They are called what?
Fair Use
Hue - Luminance - Saturation
Metadata fields that hold info on photographer - subject - and use.
White (255)

30. What is gamut?
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.
Infrared
Bit
The entire range of colors that can be seen - reproduced - or captured. Our eyes have a greater gamut than a print or monitor.

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

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32. What is the name of the technique used to make a monitor look like what you will see on your print?
Soft proofing
Half as much light
JPEG
bend toward each other and converge at the focal point.

33. All objects beyond the closest distance in focus will be sharp when this appears within the DOF scale.
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.
Shutter speed & aperture
a sensor (or film's) sensitivity to light
Infinity

34. What does a neutral density filter do?
White (additive primaries are Red - Green Blue)
Absorbs equal quantities of all wavelengths of light. It allows you to use wider apertures or slower shutter speeds without changing color balance.
Fisheye
9

35. What color is opposite Red on the color wheel?
Cyan
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.
stopped down
A mirror and pentaprism

36. A color image with smooth gradiations requires at least what bit depth?
Close-ups that are life-size or larger. Images through microscopes are "photomicrographs."
24 bits per pixel (8 per color) - which gives 16 -777 -216 colors
Black (0)
Follow focus

37. A filter with a factor of 2 requires how many stops of compensation?

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38. If an image is too magenta - what color adjustment should be made in Photoshop to correct it?
Contrast
24 bits per pixel (8 per color) - which gives 16 -777 -216 colors
Add green
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.

39. What kind of lighting pattern is useful to widen a subject?
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.
Broad lighting
Zoom lens
Incident light meter

40. A lens set at f/4 admits how much more/less light than one set at f/2.8?
a sensor (or film's) sensitivity to light
5000K
Half as much light
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)

41. Using this kind of automatic exposure setting on the camera - you set the shutter speed and the camera sets the aperture.
Shutter-Priority
sensor
aperture diameter
In the middle

42. Printers use how many bits per channel of information when printing?
Add yellow
1) Use a longer lens; 2) Move closer to the subject
8 bits
Blown highlights

43. To emphasize texture in a portrait - what kind of light source is recommended?
A high contrast image
Small light source at an angle to the subject
Actual Pixel view
It increases

44. What is a thyristor?
Metadata
Red - Yellow - Green - Cyan - Blue - Magenta
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.
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.

45. If you must move to reduce the amount of flash reaching your subject - how far do you move?
Inkjet black & white printing where color cartridges are replaced with shades of gray - resulting in smooth tones and slight color cast
1 1/3 stops
Selectively increasing print exposure - which will make select parts of the image darker
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.

46. 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?
Creates deep shadows in eye pockets - under nose - and chin.
The amount of light reflected back from the subject during exposure.
four times more
Additive (R - G - B)

47. What is burning?
A raster image
Half as much light
Selectively increasing print exposure - which will make select parts of the image darker
Butterfly lighting

48. How much resolution do you need for: Internet? Newspaper? Photographic print? Glossy magazine?
Additive (R - G - B)
Metadata
Internet = 72 dpi; Newspaper = 150 dpi; Photographic print = 240-300 dpi; Gloss magazine = 400 dpi
The brightness of all the pixels in an image

49. Going clockwise around the color wheel - starting with RED - what is the progression of colors?
Red - Yellow - Green - Cyan - Blue - Magenta
Flattens out the volume of the subject and minimizes textures
Internet = 72 dpi; Newspaper = 150 dpi; Photographic print = 240-300 dpi; Gloss magazine = 400 dpi
The number of pixels per unit of length in a image

50. Cyan is composed of equal parts of what two colors?
JPEG
Blue & Green
On a scanner; it guesses what the pixels look like in between the ones the scanner can actually measure.
The pixels per inch a scanner is capable of capturing often described as two numbers (i.e. 1200x2400)