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 what set of colors?
1 1/3 stops
Subtractive primaries (plus black)
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.
Blue & Green

2. What angle should a polarizing filter be to the sun for best results?
Shutter-priority
dynamic range (not to be confused with gamut)
90 degrees. If using to eliminate reflections - it should be used at 35 degrees.
1920 pixels by 2400 pixels (4.6 million pixels)

3. Whenever another image is copied or moved into a file - Photoshop automatically creates what?
Blown highlights
Total number of pixels
A new layer
1) Use a shorter focal length; 2) Move farther away from the subject

4. What kind of lighting pattern is best for average oval faces and round faces you want to slim?
Infrared
Short lighting.
24 bits per pixel (8 per color) - which gives 16 -777 -216 colors
Incident light meter

5. A 1:1 lighting ratio produces what lighting result?
Flat lighting
Aperture-priority
Blue & Green
Reciprocal relationship

6. Cyan is composed of equal parts of what two colors?
stopped down
Keeps a moving subject sharp while blurring the background
3:1 or 4:1
Blue & Green

7. A tall vertical line on the right hand edge of a histogram indicates what?
Similar to a normal lens at about 30 degrees
No
Blown highlights
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.

8. What is a derivative file?
stopped down
Small light source at an angle to the subject
Actual Pixel view
A RAW file that has been altered

9. What is the term used to describe a sensor's sensitivity to 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.
ISO
Half as much light
5000K

10. The relative aperture is equal to the lens focal length divided by what?
More of the background and foreground are sharp.
1 1/3 stops
aperture diameter
Broad lighting

11. This technique allows you to keep a subject that is moving toward you well focused.
Shutter speed & aperture
One stop
1/250th
Follow focus

12. What are IPTC fields used for?
Metadata fields that hold info on photographer - subject - and use.
Levels adjustment
sensor
Maybe as little as 0.5 degrees or 1 degree

13. If you must move to reduce the amount of flash reaching your subject - how far do you move?
Close-ups that are life-size or larger. Images through microscopes are "photomicrographs."
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.
Inkjet black & white printing where color cartridges are replaced with shades of gray - resulting in smooth tones and slight color cast
Blue & Green

14. What is dodging?
Selectively blocking light during print exposure to lighten the area
Add green
Follow focus
The brightness of the light that reaches the sensor

15. What light source has the highest color temperature?
Direct sun at 11 -000 Kelvin
Very wide at about 180 degrees
A high contrast image
Short lighting.

16. An SLR camera uses what to allow you to see exactly what you'll photograph?
The sensor that converts the image from analog to digital (1's and 0's) CCD=charge coupled device; CMOS=complementary metal-oxide semiconductor
Glossy paper
A mirror and pentaprism
A high contrast image

17. What is a Bit?
3200 Kelvin
Memory card / flash card / compact flash card
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

18. What angle of view does an incident meter read?
White (additive primaries are Red - Green Blue)
White (255)
256
Very wide at about 180 degrees

19. Color systems divide all colors into which three measurements?
bend toward each other and converge at the focal point.
In the middle
Hue - Luminance - Saturation
Aperture and shutter

20. In a 2:1 ratio - the shadow side of the subject would meter at X stop(s) less than the highlight side.
Curves adjustment; Levels adjustment; Brighteness/Contrast adjustment
Metadata fields that hold info on photographer - subject - and use.
One stop less
ISO

21. 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?
Keeps a moving subject sharp while blurring the background
Fair Use
Incident light meter
Shutter-priority

22. What is a thyristor?
Yellow
One stop
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.
1 or 2

23. This light modifier can be used to highlight a specific area of the subject.
All colors
Snoot
1) Magnification - or the size of the subject; 2) Angle of view
Parallax

24. 8 bits per pixel gives you how many colors?
Aperture and shutter
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.
Absorbs equal quantities of all wavelengths of light. It allows you to use wider apertures or slower shutter speeds without changing color balance.
256

25. Digital cameras use what set of primary colors?
Additive (R - G - B)
To strike the side of the face away from the camera.
Add yellow
On a scanner; it guesses what the pixels look like in between the ones the scanner can actually measure.

26. Stopping a lens down from f/8 to f/16 represents a X stop difference.
Half as much light
Yellow
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.
Two (f/8 > f/11 > f/16)

27. What is the CCD or CMOS sensor?

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28. If an image is too yellow - what color adjustment should be made in Photoshop to correct it?
Aperture - focal length - and distance to the subject
A change in illumination
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.
Add blue

29. What does ISO stand for?
3:1 or 4:1
ISO
Reflected light meter
International Organization for Standardization

30. What do the bars on the right of a histogram represent?
Yellow
To send accurate color requirements to a printer.
White (255)
5000K

31. What are the three main factors that affect depth of field?
International Organization for Standardization
All colors
White (255)
Aperture - focal length - and distance to the subject

32. A histogram with peaks on either end of the histogram and a deep valley in between represents what?
Short lighting.
Aperture - focal length - and distance to the subject
The entire range of colors that can be seen - reproduced - or captured. Our eyes have a greater gamut than a print or monitor.
A high contrast image

33. To minimize facial wrinkles - this type of lighting is best.
Lasso tool
Front lighting
Very wide at about 180 degrees
Through the Lens. A camera that can automatically control flash exposure using sensors inside the camera.

34. What image adjustment tool uses a histogram display to alter an image?
Actual Pixel view
On a scanner; it guesses what the pixels look like in between the ones the scanner can actually measure.
Levels adjustment
3200 Kelvin

35. A ring of thin - overlapping leaves located inside the lens is called what?
The diaphragm - the mechanism that controls aperture.
The entire range of colors that can be seen - reproduced - or captured. Our eyes have a greater gamut than a print or monitor.
To send accurate color requirements to a printer.
Selectively blocking light during print exposure to lighten the area

36. What is the best color profile for web images?
Add red
The number of pixels per unit of length in a image
sRGB
a sensor (or film's) sensitivity to light

37. What kind of film can help reduce haze in a landscape?
Aperture and shutter
Infrared
One stop
In the middle

38. 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?
Glossy paper
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.
Selecting portions of the image based on color
Use negative exposure compensation (underexpose). The meter will attempt to make the dark scene 18% grey - underexpose to bring it back to dark.

39. What are the effects of top lighting?
3200 Kelvin
One stop less
Creates deep shadows in eye pockets - under nose - and chin.
Black (0)

40. A magic wand tool is used for what?
8 bits
Selecting portions of the image based on color
Flattens out the volume of the subject and minimizes textures
Small light source at an angle to the subject

41. What kind of light will be produced when using a large white umbrella close to a subject?
flat - low contrast light
Reflected light meter
In the middle
The entire range of colors that can be seen - reproduced - or captured. Our eyes have a greater gamut than a print or monitor.

42. Most lenses are sharpest closed down to how many stops from the widest?
Small light source at an angle to the subject
Dynamic range
1 or 2
A new layer

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

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44. Sharpness from near to far is controlled by what?
The amount of light reflected back from the subject during exposure.
Aperture
Front lighting
Red - Yellow - Green - Cyan - Blue - Magenta

45. If an image is too green - what color adjustment should be made in Photoshop to correct it?
Add magenta
Subtractive primaries (plus black)
Maybe as little as 0.5 degrees or 1 degree
Selectively blocking light during print exposure to lighten the area

46. Aperture controls what?
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.
Close-ups that are life-size or larger. Images through microscopes are "photomicrographs."
The brightness of the light that reaches the sensor
Infinity

47. An incident-exposure reading for a fair-skinned subject reads f/8 - 1/125th at 100 ISO. The next subject is very dark skinned. What is the proper exposure for the second subject?

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48. The useable exposure range of a sensor - or the range of subject brightness is called what?
1) Use a shorter focal length; 2) Move farther away from the subject
dynamic range (not to be confused with gamut)
Black. Subtractive primaries are Magenta - Yellow - Cyan
Aperture-priority

49. Blue is opposite what color on the color wheel?
Yellow
Add green
Follow focus
Broad lighting

50. What do the bars on the left of a histogram represent?
Black. Subtractive primaries are Magenta - Yellow - Cyan
Hue - Luminance - Saturation
Black (0)
All colors