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. Daylight is approximately what color temperature?
sensor
Absorbs equal quantities of all wavelengths of light. It allows you to use wider apertures or slower shutter speeds without changing color balance.
5 -000 Kelvin
Memory card / flash card / compact flash card

2. This stores electronic images captured in a digital camera until they can be transferred to a computer.
The number of pixels per unit of length in a image
Memory card / flash card / compact flash card
1 1/3 stops
Creates deep shadows in eye pockets - under nose - and chin.

3. 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.
Glossy paper
Close-ups that are life-size or larger. Images through microscopes are "photomicrographs."
Lower

4. 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?
A mirror and pentaprism
four times more
Use negative exposure compensation (underexpose). The meter will attempt to make the dark scene 18% grey - underexpose to bring it back to dark.
The impression human vision gives

5. Tungsten is approximately what color temperature?
The pixels per inch a scanner is capable of capturing often described as two numbers (i.e. 1200x2400)
flat - low contrast light
Yellow
3200 Kelvin

6. What angle should a polarizing filter be to the sun for best results?
90 degrees. If using to eliminate reflections - it should be used at 35 degrees.
No
Click with the neutral-point dropper on the selected color
Black (0)

7. What kind of film can help reduce haze in a landscape?
Infrared
Add yellow
More of the background and foreground are sharp.
International Organization for Standardization

8. The area of acceptable sharpness in an image is called what?
JPEG
Depth of field
Metamerism
Use negative exposure compensation (underexpose). The meter will attempt to make the dark scene 18% grey - underexpose to bring it back to dark.

9. To emphasize texture in a portrait - what kind of light source is recommended?
Metamerism
Fisheye
Small light source at an angle to the subject
ISO

10. Color systems divide all colors into which three measurements?
Hue - Luminance - Saturation
Because you can move in close to the subject
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.
flat - low contrast light

11. What is the CCD or CMOS sensor?

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12. The quantity of light that reaches your sensor is controlled by what?
Click with the neutral-point dropper on the selected color
White (additive primaries are Red - Green Blue)
Reciprocal relationship
Shutter speed & aperture

13. A general purpose lens will provide an f-stop range of up to how many?
8 stops
aperture diameter
It increases
Two (f/8 > f/11 > f/16)

14. This type of backup system is fault-tolerant because it creates redundant data.
Because you can move in close to the subject
RAID system
Black. Subtractive primaries are Magenta - Yellow - Cyan
Soft proofing

15. What Photoshop tool allows you to select an area of any size or shape by drawing freehand?
Add yellow
Very wide at about 180 degrees
Lasso tool
A high contrast image

16. If an image is too cyan - what color adjustment should be made in Photoshop to correct it?
A simple lens with two curved sides or one curved and one flat side; found in a compound lens.
Add red
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.
To send accurate color requirements to a printer.

17. What angle of view does a spot meter read?
Maybe as little as 0.5 degrees or 1 degree
Flattens out the volume of the subject and minimizes textures
A new layer
Blown highlights

18. Aperture controls what?
1 or 2
The impression human vision gives
The brightness of the light that reaches the sensor
White (additive primaries are Red - Green Blue)

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

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20. A tonal correction cannot be accomplished by using a...
Lower
International Organization for Standardization
3:1 or 4:1
hue/saturation adjustment layer

21. In a digital image - the images file sizes corresponds to the total number of what in the image?
Shutter-Priority
Total number of pixels
1 or 2
All colors

22. What is interpolated resolution?
Follow focus
Lower
On a scanner; it guesses what the pixels look like in between the ones the scanner can actually measure.
A raster image

23. In a 2:1 ratio - the shadow side of the subject would meter at X stop(s) less than the highlight side.
One stop less
Contrast
A raster image
The amount of information contained in each pixel

24. Using this kind of automatic exposure setting on the camera - you set the aperture and the camera sets the shutter speed.
Use positive exposure compensation (overexposure). A reflected meter reading will attempt to make the scene 18% gray - employ overexposure to adjust.
Aperture-Priority
The impression human vision gives
5000K

25. 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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26. Blue is opposite what color on the color wheel?
Yellow
White (255)
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.
Parallax

27. What is the general rule of thumb for the measurement of a 'normal' lens?
The diagonal measurement of the sensor.
A simple lens with two curved sides or one curved and one flat side; found in a compound lens.
Depth of field
Selecting portions of the image based on color

28. Stopping a lens down from f/8 to f/16 represents a X stop difference.
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)
Maybe as little as 0.5 degrees or 1 degree
Blue

29. Can you save layers in a JPEG file format?
Use negative exposure compensation (underexpose). The meter will attempt to make the dark scene 18% grey - underexpose to bring it back to dark.
No
To strike the side of the face away from the camera.
Memory card / flash card / compact flash card

30. An image made of pixels is sometimes called what?
A raster image
stopped down
No change. The EXPOSURE doesn't change or it would also change the background as well. Move the lights to adjust.
To send accurate color requirements to a printer.

31. When doing close-up work - what happens to the depth of field when the subject is closer to the lens?
RAID system
Reflected light meter
Glossy paper
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.

32. 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?
hue/saturation adjustment layer
Use positive exposure compensation (overexposure). A reflected meter reading will attempt to make the scene 18% gray - employ overexposure to adjust.
90 degrees. If using to eliminate reflections - it should be used at 35 degrees.
lens-to-subject distance

33. If you must move to reduce the amount of flash reaching your subject - how far do you move?
Yellow
Aperture - focal length - and distance to the subject
Metadata fields that hold info on photographer - subject - and use.
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.

34. The relative aperture is equal to the lens focal length divided by what?
aperture diameter
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
A change in illumination

35. Sharpness from near to far is controlled by what?
Aperture
Black. Subtractive primaries are Magenta - Yellow - Cyan
Front lighting
Additive (R - G - B)

36. What determines what will be a 'normal' focal length lens on a particular camera?
3200 Kelvin
Blue
Sensor size - the larger the sensor size - the longer the focal length of a normal lens. (Corresponds to a diagonal line across the frame)
24 bits per pixel (8 per color) - which gives 16 -777 -216 colors

37. The smallest unit of digital information is called a what?
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 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).
Glossy paper
Bit

38. What does ISO stand for?
International Organization for Standardization
Subtractive primaries (plus black)
Short lighting
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.

39. Name two ways you can increase depth of field (other than changing aperture).
White (additive primaries are Red - Green Blue)
The sensor that converts the image from analog to digital (1's and 0's) CCD=charge coupled device; CMOS=complementary metal-oxide semiconductor
1) Use a shorter focal length; 2) Move farther away from the subject
No change. The EXPOSURE doesn't change or it would also change the background as well. Move the lights to adjust.

40. 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?
dynamic range (not to be confused with gamut)
5000K
1 1/3 stops
Aperture and shutter

41. Panning does what?
It increases
Butterfly lighting
Blown highlights
Keeps a moving subject sharp while blurring the background

42. Generally - traditional portraits use what lighting ratio?
Convex
Magenta
3:1 or 4:1
Short lighting

43. If an image is too green - what color adjustment should be made in Photoshop to correct it?
Add magenta
sRGB
Lower
Reciprocal relationship

44. When the additive primaries are mixed together equally - what is created?
Infinity
Creates deep shadows in eye pockets - under nose - and chin.
White (additive primaries are Red - Green Blue)
The diaphragm - the mechanism that controls aperture.

45. What kind of meter is built in to most cameras?
1920 pixels by 2400 pixels (4.6 million pixels)
Reflected light meter
Small light source at an angle to the subject
RAID system

46. What is gamut?
factor of 2 = 1 stop compensation. (Each time a factor doubles - it's one additional stop)
The entire range of colors that can be seen - reproduced - or captured. Our eyes have a greater gamut than a print or monitor.
Close-ups that are life-size or larger. Images through microscopes are "photomicrographs."
sRGB

47. What is focal length - technically?
The distance between the lens rear nodal point and the focal plane when the lens is focused at infinity.
Variations command
The entire range of colors that can be seen - reproduced - or captured. Our eyes have a greater gamut than a print or monitor.
Parallax

48. Going clockwise around the color wheel - starting with RED - what is the progression of colors?
bend toward each other and converge at the focal point.
Red - Yellow - Green - Cyan - Blue - Magenta
Blue
Bit

49. What are the effects of high side lighting?
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.
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.
The diagonal measurement of the sensor.
Blue

50. How is brightness and contrast best controlled in Photoshop?
Levels adjustment
On a scanner; it guesses what the pixels look like in between the ones the scanner can actually measure.
The amount of light reflected back from the subject during exposure.
1 or 2