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. This type of backup system is fault-tolerant because it creates redundant data.
RAID system
A mirror and pentaprism
Metadata fields that hold info on photographer - subject - and use.
Glossy paper

2. Generally - how much exposure compensation (in stops) should be used when using a polarizing filter?
Half as much light
1 1/3 stops
Add magenta
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.

3. Name 2 ways you can decrease depth of field.
Black. Subtractive primaries are Magenta - Yellow - Cyan
The brightness of all the pixels in an image
1) Use a longer lens; 2) Move closer to the subject
Infinity

4. What is the inverse square law?
(X times Y = exposure) Intensity (aperture) x Time (shutter)
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.
Shutter-Priority
Metadata fields that hold info on photographer - subject - and use.

5. An 8x10 at 240 dpi will have a resolution of what?
The amount of information contained in each pixel
1920 pixels by 2400 pixels (4.6 million pixels)
No
Maybe as little as 0.5 degrees or 1 degree

6. Resolution refers to what?
Infinity
RAID system
The number of pixels per unit of length in a image
Half as much light

7. The greatest tonal range from black to white is achievable on what kind of paper?
Selectively blocking light during print exposure to lighten the area
The amount of light reflected back from the subject during exposure.
Glossy paper
1) Use a longer lens; 2) Move closer to the subject

8. What is the general rule of thumb for the measurement of a 'normal' lens?
Short lighting.
aperture diameter
The diagonal measurement of the sensor.
Close-ups that are life-size or larger. Images through microscopes are "photomicrographs."

9. Printers use how many bits per channel of information when printing?
flat - low contrast light
The impression human vision gives
8 bits
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.

10. Can you save layers in a JPEG file format?
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.
1) Magnification - or the size of the subject; 2) Angle of view
Levels adjustment
No

11. Instead of permanently altering your image when adjusting for color and value - what should you do?
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.
It increases
Butterfly lighting
Use and adjustment layer

12. What kind of light will be produced when using a large white umbrella close to a subject?
A change in illumination
No
The difference between light and dark.
flat - low contrast light

13. Aperture controls what?
Variations command
Add blue
The brightness of the light that reaches the sensor
Fair Use

14. If an image is too red - what color adjustment should be made in Photoshop to correct it?
Similar to a normal lens at about 30 degrees
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.
Add cyan
Shutter-Priority

15. If an image is too magenta - what color adjustment should be made in Photoshop to correct it?
Soft proofing
White (additive primaries are Red - Green Blue)
Small light source at an angle to the subject
Add green

16. What is the term used to describe human's change in perception of a color under different light sources?
Short lighting
Metamerism
Blown highlights
Black (0)

17. Color systems divide all colors into which three measurements?
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.
Metadata fields that hold info on photographer - subject - and use.
90 degrees. If using to eliminate reflections - it should be used at 35 degrees.
Hue - Luminance - Saturation

18. What is dodging?
Add green
Absorbs equal quantities of all wavelengths of light. It allows you to use wider apertures or slower shutter speeds without changing color balance.
The brightness of the light that reaches the sensor
Selectively blocking light during print exposure to lighten the area

19. If an image is too yellow - what color adjustment should be made in Photoshop to correct it?
Depth of field
Add magenta
(X times Y = exposure) Intensity (aperture) x Time (shutter)
Add blue

20. Using this kind of automatic exposure setting on the camera - you set the shutter speed and the camera sets the aperture.
Blue & Green
The diagonal measurement of the sensor.
24 bits per pixel (8 per color) - which gives 16 -777 -216 colors
Shutter-Priority

21. What kind of lighting pattern is best for average oval faces and round faces you want to slim?
It increases
Short lighting.
Curves adjustment; Levels adjustment; Brighteness/Contrast adjustment
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.

22. Sharpness from near to far is controlled by what?
dynamic range (not to be confused with gamut)
Add blue
Aperture
A change in illumination

23. What is the effect of front lighting?
Flattens out the volume of the subject and minimizes textures
Shutter speed & aperture
The brightness of all the pixels in an image
Broad lighting

24. 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?
Use positive exposure compensation (overexposure). A reflected meter reading will attempt to make the scene 18% gray - employ overexposure to adjust.
Add green
Depth of field
(X times Y = exposure) Intensity (aperture) x Time (shutter)

25. The image transmitted by the lens is recorded by the what?
sensor
Infrared
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.
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.

26. All objects beyond the closest distance in focus will be sharp when this appears within the DOF scale.
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.
Infinity
Black (0)
Shutter-priority

27. Daylight is approximately what color temperature?
Parallax
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.
Broad lighting
5 -000 Kelvin

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

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29. To minimize facial wrinkles - this type of lighting is best.
Aperture-priority
A simple lens with two curved sides or one curved and one flat side; found in a compound lens.
sRGB
Front lighting

30. If an image is too cyan - what color adjustment should be made in Photoshop to correct it?
1 1/3 stops
Subtractive primaries (plus black)
8 bits
Add red

31. What do the bars on the left of a histogram represent?
Add yellow
Black (0)
A change in illumination
All colors

32. What is the optical resolution on a scanner defined as?
factor of 2 = 1 stop compensation. (Each time a factor doubles - it's one additional stop)
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.
Lasso tool
The pixels per inch a scanner is capable of capturing often described as two numbers (i.e. 1200x2400)

33. What is TTL?
Through the Lens. A camera that can automatically control flash exposure using sensors inside the camera.
ISO
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.
four times more

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?
The amount of light reflected back from the subject during exposure.
four times more
Close-ups that are life-size or larger. Images through microscopes are "photomicrographs."
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.

35. This kind of lens has a variable focal length.
Reciprocal relationship
Zoom lens
One stop less
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.

36. A technique used to maintain sharp focus on a subject that is moving toward you is called what?
Two (f/8 > f/11 > f/16)
Follow focus
Front 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.

37. A general purpose lens will provide an f-stop range of up to how many?
8 stops
lengthen (or slow) the shutter speed
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 difference between light and dark.

38. The area of acceptable sharpness in an image is called what?
Blown highlights
Metamerism
Close-ups that are life-size or larger. Images through microscopes are "photomicrographs."
Depth of field

39. What is the term used to describe data contained in a digital image?
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.
Use and adjustment layer
ISO
Metadata

40. Name two ways you can increase depth of field (other than changing aperture).
One stop less
1) Use a shorter focal length; 2) Move farther away from the subject
Use positive exposure compensation (overexposure). A reflected meter reading will attempt to make the scene 18% gray - employ overexposure to adjust.
Reciprocal relationship

41. This technique allows you to keep a subject that is moving toward you well focused.
Very wide at about 180 degrees
256
Follow focus
Add green

42. A normal (or standard) focal length lens approximates what?
A RAW file that has been altered
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.
Follow focus
The impression human vision gives

43. 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?
Add cyan
Front lighting
bend toward each other and converge at the focal point.
Shutter-priority

44. What is interpolated resolution?
Keeps a moving subject sharp while blurring the background
Variations command
On a scanner; it guesses what the pixels look like in between the ones the scanner can actually measure.
One stop less

45. What kind of lighting pattern is useful to widen a subject?
It increases
1 1/3 stops
Broad lighting
Fisheye

46. In the 20th century - black & white photographers used the Zone system to tame excessive contrast. Now - digital photographers use what?
It increases
High Dynamic Range
Red - Yellow - Green - Cyan - Blue - Magenta
Shutter speed & aperture

47. What is the CCD or CMOS sensor?

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48. What angle of view does a spot meter read?
Yellow
Maybe as little as 0.5 degrees or 1 degree
Short lighting.
International Organization for Standardization

49. If an image is too green - what color adjustment should be made in Photoshop to correct it?
Blown highlights
Add magenta
1) Use a longer lens; 2) Move closer to the subject
flat - low contrast light

50. A histogram with peaks on either end of the histogram and a deep valley in between represents what?
Add blue
One stop less
A high contrast image
256