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. A color image with smooth gradiations requires at least what bit depth?
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.
5 -000 Kelvin
5000K
24 bits per pixel (8 per color) - which gives 16 -777 -216 colors

2. Bit depth refers to what?
The amount of information contained in each pixel
Fair Use
Very wide at about 180 degrees
Absorbs equal quantities of all wavelengths of light. It allows you to use wider apertures or slower shutter speeds without changing color balance.

3. The useable exposure range of a sensor - or the range of subject brightness is called what?
Aperture - focal length - and distance to the subject
Blue
aperture diameter
dynamic range (not to be confused with gamut)

4. Cyan is composed of equal parts of what two colors?
In the middle
One stop less
To send accurate color requirements to a printer.
Blue & Green

5. To minimize facial wrinkles - this type of lighting is best.
bend toward each other and converge at the focal point.
Aperture-priority
Reciprocal relationship
Front lighting

6. What is the term used to describe data contained in a digital image?
Metamerism
Metadata
The entire range of colors that can be seen - reproduced - or captured. Our eyes have a greater gamut than a print or monitor.
Black. Subtractive primaries are Magenta - Yellow - Cyan

7. What is the optical resolution on a scanner defined as?
Blue
The pixels per inch a scanner is capable of capturing often described as two numbers (i.e. 1200x2400)
The diaphragm - the mechanism that controls aperture.
Use positive exposure compensation (overexposure). A reflected meter reading will attempt to make the scene 18% gray - employ overexposure to adjust.

8. 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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9. What is the inverse square law?
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.
Black. Subtractive primaries are Magenta - Yellow - Cyan
1 or 2
256

10. What are the effects of top lighting?
A high contrast image
Creates deep shadows in eye pockets - under nose - and chin.
Inkjet black & white printing where color cartridges are replaced with shades of gray - resulting in smooth tones and slight color cast
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.

11. Most lenses are sharpest closed down to how many stops from the widest?
1 or 2
JPEG
Shutter speed & aperture
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)

12. A ring of thin - overlapping leaves located inside the lens is called what?
Depth of field
Absorbs equal quantities of all wavelengths of light. It allows you to use wider apertures or slower shutter speeds without changing color balance.
The diaphragm - the mechanism that controls aperture.
Memory card / flash card / compact flash card

13. If an image is too green - what color adjustment should be made in Photoshop to correct it?
Direct sun at 11 -000 Kelvin
Add magenta
Follow focus
Fisheye

14. What do the bars on the left of a histogram represent?
ISO
dynamic range (not to be confused with gamut)
Black (0)
Glossy paper

15. A general purpose lens will provide an f-stop range of up to how many?
Add yellow
8 stops
Aperture - focal length - and distance to the subject
No change. The EXPOSURE doesn't change or it would also change the background as well. Move the lights to adjust.

16. The area of acceptable sharpness in an image is called what?
The diagonal measurement of the sensor.
Depth of field
Click with the neutral-point dropper on the selected color
Close-ups that are life-size or larger. Images through microscopes are "photomicrographs."

17. This kind of meter is preferred by photographers working in a studio situation where lighting conditions can be altered.
Aperture and shutter
Metadata
The amount of light reflected back from the subject during exposure.
Incident light meter

18. To produce optimal sharpness - detail - and resolution - is a higher or lower ISO setting better?
Soft proofing
Aperture-priority
One stop less
Lower

19. 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?
Memory card / flash card / compact flash card
four times more
Because you can move in close to the subject
Blown highlights

20. If you must move to reduce the amount of flash reaching your subject - how far do you move?
Two (f/8 > f/11 > f/16)
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.
3200 Kelvin
No

21. What angle of view does a reflected light meter read?
Similar to a normal lens at about 30 degrees
Memory card / flash card / compact flash card
Zoom lens
Follow focus

22. What would you use an ICC profile for?
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.
sRGB
To send accurate color requirements to a printer.
Soft proofing

23. What is the CCD or CMOS sensor?

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24. What Photoshop tool allows you to select an area of any size or shape by drawing freehand?
5 -000 Kelvin
Lasso tool
Variations command
Snoot

25. What is gamut?
The entire range of colors that can be seen - reproduced - or captured. Our eyes have a greater gamut than a print or monitor.
Soft proofing
four times more
Blue

26. 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?
White (255)
Shutter-priority
sensor
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.

27. Contrast measures what in a print?
Levels adjustment
The difference between light and dark.
A RAW file that has been altered
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.

28. 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?
Follow focus
5000K
four times more
International Organization for Standardization

29. Maximum depth of field at a given aperture is achieved by focusing at what?
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.
A mirror and pentaprism
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.
In the middle

30. What kind of lighting pattern is useful to widen a subject?
Broad lighting
Shutter speed & aperture
Because you can move in close to the subject
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.

31. An SLR camera uses what to allow you to see exactly what you'll photograph?
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.
Front lighting
The entire range of colors that can be seen - reproduced - or captured. Our eyes have a greater gamut than a print or monitor.
A mirror and pentaprism

32. The greatest tonal range from black to white is achievable on what kind of paper?
dynamic range (not to be confused with gamut)
Short lighting
Glossy paper
Lasso tool

33. What is interpolated resolution?
1 or 2
ISO
On a scanner; it guesses what the pixels look like in between the ones the scanner can actually measure.
International Organization for Standardization

34. Panning does what?
5000K
Aperture and shutter
In the middle
Keeps a moving subject sharp while blurring the background

35. Using this kind of automatic exposure setting on the camera - you set the shutter speed and the camera sets the aperture.
Small light source at an angle to the subject
Shutter-Priority
A raster image
The amount of light reflected back from the subject during exposure.

36. What color is between Magenta and Cyan on the color wheel?
Contrast
Blue
Close-ups that are life-size or larger. Images through microscopes are "photomicrographs."
Add blue

37. The rule of thirds necessitates that the composition be divided into a grid of now many equal rectangles or squares?
The number of pixels per unit of length in a image
9
ISO
Flattens out the volume of the subject and minimizes textures

38. A 1:1 lighting ratio produces what lighting result?
To send accurate color requirements to a printer.
Flat lighting
1 1/3 stops
The sensor's sensitivity to light

39. What two controls adjust the amount of light that reaches the sensor?
Aperture and shutter
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.
Cyan
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)

40. Convex lenses cause light rays to do what?
RAID system
bend toward each other and converge at the focal point.
flat - low contrast light
Variations command

41. What light source has the highest color temperature?
A RAW file that has been altered
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.
Direct sun at 11 -000 Kelvin
The amount of information contained in each pixel

42. 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.
Creates deep shadows in eye pockets - under nose - and chin.
Hue - Luminance - Saturation
Fair Use

43. 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?
Front lighting
Use negative exposure compensation (underexpose). The meter will attempt to make the dark scene 18% grey - underexpose to bring it back to dark.
hue/saturation adjustment layer
lens-to-subject distance

44. When mixed in varying proportion - the subtractive primary colors produce what?
lens-to-subject distance
The impression human vision gives
All colors
Very wide at about 180 degrees

45. What kind of lighting patter is useful to narrow a face?
Short lighting
All colors
Follow focus
1 1/3 stops

46. All objects beyond the closest distance in focus will be sharp when this appears within the DOF scale.
Zoom lens
Infinity
Maybe as little as 0.5 degrees or 1 degree
Sensor size - the larger the sensor size - the longer the focal length of a normal lens. (Corresponds to a diagonal line across the frame)

47. Generally - traditional portraits use what lighting ratio?
Add green
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.
1) Use a shorter focal length; 2) Move farther away from the subject
3:1 or 4:1

48. Doubling the aperture setting creates how many stops difference in the amount of light reaching the sensor?
One stop
bend toward each other and converge at the focal point.
Hue - Luminance - Saturation
a sensor (or film's) sensitivity to light

49. If an image is too magenta - what color adjustment should be made in Photoshop to correct it?
Very wide at about 180 degrees
Lower
Add green
hue/saturation adjustment layer

50. What angle should a polarizing filter be to the sun for best results?
Dynamic range
1) Use a longer lens; 2) Move closer to the subject
Absorbs equal quantities of all wavelengths of light. It allows you to use wider apertures or slower shutter speeds without changing color balance.
90 degrees. If using to eliminate reflections - it should be used at 35 degrees.