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. Printers use how many bits per channel of information when printing?
8 bits
four times more
International Organization for Standardization
Yellow

2. To minimize facial wrinkles - this type of lighting is best.
No change. The EXPOSURE doesn't change or it would also change the background as well. Move the lights to adjust.
1/250th
Front lighting
5 -000 Kelvin

3. 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.
Add green
Butterfly lighting

4. What color is opposite Green on the color wheel?
Magenta
A high contrast image
The brightness of all the pixels in an image
flat - low contrast light

5. What image adjustment tool uses a histogram display to alter an image?
Levels adjustment
Shutter speed & aperture
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.
The impression human vision gives

6. Digital cameras use what set of primary colors?
Add red
Creates deep shadows in eye pockets - under nose - and chin.
Fisheye
Additive (R - G - B)

7. If an image is too red - what color adjustment should be made in Photoshop to correct it?
High Dynamic Range
The number of pixels per unit of length in a image
Add cyan
Yellow

8. The rule of thirds necessitates that the composition be divided into a grid of now many equal rectangles or squares?
Butterfly lighting
Variations command
9
Depth of field

9. Why is depth of field greater on a short lens versus a long lens?
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
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.
1) Magnification - or the size of the subject; 2) Angle of view

10. What is burning?
hue/saturation adjustment layer
Selectively increasing print exposure - which will make select parts of the image darker
sRGB
Blue

11. All objects beyond the closest distance in focus will be sharp when this appears within the DOF scale.
Infinity
In the middle
International Organization for Standardization
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.

12. Most modern lenses are based on this kind of lens.
White (255)
Yellow
Convex
Reflected light meter

13. Most inkjet printers intended for photographic printing include light and dark inks of all of the colors except for one. Which color ink is usually available only in one density?
Through the Lens. A camera that can automatically control flash exposure using sensors inside the camera.
The pixels per inch a scanner is capable of capturing often described as two numbers (i.e. 1200x2400)
Selecting portions of the image based on color
Yellow

14. What kind of lighting pattern is best for average oval faces and round faces you want to slim?
8 bits
Short lighting.
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.
3200 Kelvin

15. Panning does what?
Keeps a moving subject sharp while blurring the background
Add cyan
Sensor size - the larger the sensor size - the longer the focal length of a normal lens. (Corresponds to a diagonal line across the frame)
Metadata fields that hold info on photographer - subject - and use.

16. What is a thyristor?
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.
A new layer
Add yellow
3:1 or 4:1

17. How can you change the brightness of the background when using flash?
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.
Internet = 72 dpi; Newspaper = 150 dpi; Photographic print = 240-300 dpi; Gloss magazine = 400 dpi
Aperture and shutter
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.

18. What is the term used to describe human's change in perception of a color under different light sources?
JPEG
sRGB
Infrared
Metamerism

19. To emphasize texture in a portrait - what kind of light source is recommended?
More of the background and foreground are sharp.
1) Magnification - or the size of the subject; 2) Angle of view
Small light source at an angle to the subject
The brightness of all the pixels in an image

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

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21. Doubling the aperture setting creates how many stops difference in the amount of light reaching the sensor?
Creates deep shadows in eye pockets - under nose - and chin.
Use negative exposure compensation (underexpose). The meter will attempt to make the dark scene 18% grey - underexpose to bring it back to dark.
Front lighting
One stop

22. What angle of view does an incident meter read?
Very wide at about 180 degrees
Internet = 72 dpi; Newspaper = 150 dpi; Photographic print = 240-300 dpi; Gloss magazine = 400 dpi
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.
Bit

23. The greatest tonal range from black to white is achievable on what kind of paper?
Reciprocal relationship
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.
Glossy paper
Blue & Green

24. What is an element and where is it found?
A simple lens with two curved sides or one curved and one flat side; found in a compound lens.
Yellow
9
sensor

25. This technique allows you to keep a subject that is moving toward you well focused.
Follow focus
A RAW file that has been altered
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 pixels per inch a scanner is capable of capturing often described as two numbers (i.e. 1200x2400)

26. When mixed in varying proportion - the subtractive primary colors produce what?
Zoom lens
All colors
International Organization for Standardization
The diagonal measurement of the sensor.

27. What kind of film can help reduce haze in a landscape?
Click with the neutral-point dropper on the selected color
Infrared
Dynamic range
One stop

28. According to the rule of thirds - where should the important parts of an image fall?
To send accurate color requirements to a printer.
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.
emphasizes textures
Along the lines of an imaginary grid at intersecting points that divide the image into thirds horizontally and vertically

29. What is the usable exposure range - or range of subject brightness called?
A high contrast image
White (additive primaries are Red - Green Blue)
1 1/3 stops
Dynamic range

30. How is brightness and contrast best controlled in Photoshop?
emphasizes textures
Selectively blocking light during print exposure to lighten the area
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.
Levels adjustment

31. What are IPTC fields used for?
On a scanner; it guesses what the pixels look like in between the ones the scanner can actually measure.
Metadata fields that hold info on photographer - subject - and use.
Through the Lens. A camera that can automatically control flash exposure using sensors inside the camera.
Zoom lens

32. 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 distance between the lens rear nodal point and the focal plane when the lens is focused at infinity.
The amount of light reflected back from the subject during exposure.
lens-to-subject distance
1/250th

33. What is the name of the technique used to make a monitor look like what you will see on your print?
aperture diameter
Small light source at an angle to the subject
Shutter-Priority
Soft proofing

34. 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?
Black (0)
four times more
stopped down
A simple lens with two curved sides or one curved and one flat side; found in a compound lens.

35. If an image is too green - what color adjustment should be made in Photoshop to correct it?
Add magenta
Maybe as little as 0.5 degrees or 1 degree
aperture diameter
1920 pixels by 2400 pixels (4.6 million pixels)

36. What is a color profile?
Infrared
JPEG
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).
Small light source at an angle to the subject

37. What are luminance and illuminance?
JPEG
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)
Actual Pixel view
Contrast

38. If you must move to reduce the amount of flash reaching your subject - how far do you move?
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.
5000K
3:1 or 4:1
Levels adjustment

39. The area of acceptable sharpness in an image is called what?
a sensor (or film's) sensitivity to light
No change. The EXPOSURE doesn't change or it would also change the background as well. Move the lights to adjust.
Depth of field
1) Use a shorter focal length; 2) Move farther away from the subject

40. Printers use what set of colors?
Subtractive primaries (plus black)
Follow focus
Aperture-Priority
Yellow

41. A magic wand tool is used for what?
Selecting portions of the image based on color
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.
One stop less
sRGB

42. Convex lenses cause light rays to do what?
(X times Y = exposure) Intensity (aperture) x Time (shutter)
International Organization for Standardization
Contrast
bend toward each other and converge at the focal point.

43. What is the CCD or CMOS sensor?

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44. 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."
White (255)
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.
24 bits per pixel (8 per color) - which gives 16 -777 -216 colors

45. What do TTL systems react to?
1920 pixels by 2400 pixels (4.6 million pixels)
1 1/3 stops
The amount of light reflected back from the subject during exposure.
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. An image made of pixels is sometimes called what?
A raster image
four times more
Add magenta
The diaphragm - the mechanism that controls aperture.

47. 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?
Cyan
No change. The EXPOSURE doesn't change or it would also change the background as well. Move the lights to adjust.
Selectively blocking light during print exposure to lighten the area
Use negative exposure compensation (underexpose). The meter will attempt to make the dark scene 18% grey - underexpose to bring it back to dark.

48. This kind of lens has a variable focal length.
lengthen (or slow) the shutter speed
Zoom lens
stopped down
The sensor's sensitivity to light

49. A technique used to maintain sharp focus on a subject that is moving toward you is called what?
Hue - Luminance - Saturation
Variations command
Follow focus
Red - Yellow - Green - Cyan - Blue - Magenta

50. When the subtractive primaries are added together equally - what is created?
lengthen (or slow) the shutter speed
Yellow
Black. Subtractive primaries are Magenta - Yellow - Cyan
Lasso tool