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. Name 2 ways you can decrease depth of field.
Blue
1) Use a longer lens; 2) Move closer to the subject
To send accurate color requirements to a printer.
Inkjet black & white printing where color cartridges are replaced with shades of gray - resulting in smooth tones and slight color cast

2. The relative aperture is equal to the lens focal length divided by what?
Blue & Green
aperture diameter
Very wide at about 180 degrees
A mirror and pentaprism

3. When doing close-up work - what happens to the depth of field when the subject is closer to the lens?
1) Use a shorter focal length; 2) Move farther away from the subject
1 1/3 stops
Additive (R - G - B)
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.

4. If an image is too green - what color adjustment should be made in Photoshop to correct it?
Add magenta
ISO
Short lighting
Subtractive primaries (plus black)

5. What kind of lighting pattern places the key light directly in front of and higher than the face?
bend toward each other and converge at the focal point.
Butterfly lighting
International Organization for Standardization
Very wide at about 180 degrees

6. The amount of motion blur in an image will increase if you do what?
lengthen (or slow) the shutter speed
White (255)
Aperture-Priority
Actual Pixel view

7. A histogram shows what in an image?
90 degrees. If using to eliminate reflections - it should be used at 35 degrees.
5 -000 Kelvin
9
The brightness of all the pixels in an image

8. What is the inverse square law?
Very wide at about 180 degrees
Broad lighting
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.
RAID system

9. The useable exposure range of a sensor - or the range of subject brightness is called what?
dynamic range (not to be confused with gamut)
1 1/3 stops
Aperture-priority
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.

10. This kind of meter is preferred by photographers working in a studio situation where lighting conditions can be altered.
Click with the neutral-point dropper on the selected color
International Organization for Standardization
24 bits per pixel (8 per color) - which gives 16 -777 -216 colors
Incident light meter

11. What is the usable exposure range - or range of subject brightness called?
Add yellow
Memory card / flash card / compact flash card
1) Magnification - or the size of the subject; 2) Angle of view
Dynamic range

12. What does side lighting emphasize?
Snoot
The diaphragm - the mechanism that controls aperture.
Because you can move in close to the subject
emphasizes textures

13. What are the three main factors that affect depth of field?
24 bits per pixel (8 per color) - which gives 16 -777 -216 colors
Aperture - focal length - and distance to the subject
Actual Pixel view
stopped down

14. 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?
four times more
Absorbs equal quantities of all wavelengths of light. It allows you to use wider apertures or slower shutter speeds without changing color balance.
Selecting portions of the image based on color
lengthen (or slow) the shutter speed

15. What kind of lighting pattern is useful to widen a subject?
Total number of pixels
3:1 or 4:1
Internet = 72 dpi; Newspaper = 150 dpi; Photographic print = 240-300 dpi; Gloss magazine = 400 dpi
Broad lighting

16. Blue is opposite what color on the color wheel?
On a scanner; it guesses what the pixels look like in between the ones the scanner can actually measure.
Aperture-Priority
Use and adjustment layer
Yellow

17. What are the effects of high side lighting?
Close-ups that are life-size or larger. Images through microscopes are "photomicrographs."
A mirror and pentaprism
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.
8 stops

18. 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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19. 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?
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.
Use negative exposure compensation (underexpose). The meter will attempt to make the dark scene 18% grey - underexpose to bring it back to dark.
Actual Pixel view
Maybe as little as 0.5 degrees or 1 degree

20. What is a Bit?
emphasizes textures
Close-ups that are life-size or larger. Images through microscopes are "photomicrographs."
On a scanner; it guesses what the pixels look like in between the ones the scanner can actually measure.
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.

21. 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?
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)
Use positive exposure compensation (overexposure). A reflected meter reading will attempt to make the scene 18% gray - employ overexposure to adjust.
High Dynamic Range
The sensor that converts the image from analog to digital (1's and 0's) CCD=charge coupled device; CMOS=complementary metal-oxide semiconductor

22. If an image is too magenta - what color adjustment should be made in Photoshop to correct it?
Use positive exposure compensation (overexposure). A reflected meter reading will attempt to make the scene 18% gray - employ overexposure to adjust.
One stop less
Add green
Aperture-Priority

23. If an image is too red - what color adjustment should be made in Photoshop to correct it?
Lasso tool
Add cyan
1) Use a longer lens; 2) Move closer to the subject
Click with the neutral-point dropper on the selected color

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

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25. What light source has the highest color temperature?
Black (0)
1 or 2
Direct sun at 11 -000 Kelvin
The impression human vision gives

26. What angle should a polarizing filter be to the sun for best results?
Follow focus
sensor
A mirror and pentaprism
90 degrees. If using to eliminate reflections - it should be used at 35 degrees.

27. What are IPTC fields used for?
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.
Metadata fields that hold info on photographer - subject - and use.
sRGB
Convex

28. What is burning?
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.
Selectively increasing print exposure - which will make select parts of the image darker
All colors
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.

29. Going clockwise around the color wheel - starting with RED - what is the progression of colors?
A change in illumination
The difference between light and dark.
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.
Red - Yellow - Green - Cyan - Blue - Magenta

30. A ring of thin - overlapping leaves located inside the lens is called what?
Incident light meter
The diaphragm - the mechanism that controls aperture.
1 1/3 stops
Add red

31. A color image with smooth gradiations requires at least what bit depth?
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.
24 bits per pixel (8 per color) - which gives 16 -777 -216 colors
A high contrast image
Metamerism

32. The image transmitted by the lens is recorded by the what?
Metadata
The difference between light and dark.
All colors
sensor

33. All objects beyond the closest distance in focus will be sharp when this appears within the DOF scale.
The brightness of the light that reaches the sensor
aperture diameter
Infinity
Glossy paper

34. As the aperture is stopped down - what happens to sharpness?
More of the background and foreground are sharp.
One stop
In the middle
Butterfly lighting

35. What is the term used to describe a sensor's sensitivity to light?
One stop less
Cyan
ISO
Flat lighting

36. What is a derivative file?
Inkjet black & white printing where color cartridges are replaced with shades of gray - resulting in smooth tones and slight color cast
A RAW file that has been altered
RAID system
Add green

37. What angle of view does an incident meter read?
Shutter-Priority
To send accurate color requirements to a printer.
Very wide at about 180 degrees
Fisheye

38. What is the general rule of thumb for the measurement of a 'normal' lens?
Add cyan
Levels adjustment
The diagonal measurement of the sensor.
1920 pixels by 2400 pixels (4.6 million pixels)

39. Photoshop's command for a simple way to start using color balance is what?
International Organization for Standardization
Variations command
RAID system
Fisheye

40. What is TTL?
flat - low contrast light
1) Use a longer lens; 2) Move closer to the subject
Through the Lens. A camera that can automatically control flash exposure using sensors inside the camera.
Depth of field

41. What two controls adjust the amount of light that reaches the sensor?
Aperture and shutter
JPEG
The distance between the lens rear nodal point and the focal plane when the lens is focused at infinity.
The amount of information contained in each pixel

42. 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?
The impression human vision gives
Add yellow
Add green
Shutter-priority

43. What color is between Magenta and Cyan on the color wheel?
Reciprocal relationship
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).
Use and adjustment layer
Blue

44. A tall vertical line on the right hand edge of a histogram indicates what?
Contrast
Keeps a moving subject sharp while blurring the background
Blown highlights
More of the background and foreground are sharp.

45. Digital cameras use what set of primary colors?
Additive (R - G - B)
Because you can move in close to the subject
Keeps a moving subject sharp while blurring the background
Infinity

46. If an image is too cyan - what color adjustment should be made in Photoshop to correct it?
Add red
No change. The EXPOSURE doesn't change or it would also change the background as well. Move the lights to adjust.
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.
Reflected light meter

47. Why is depth of field greater on a short lens versus a long lens?
The brightness of all the pixels in an image
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.
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.

48. 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.
a sensor (or film's) sensitivity to light
A new layer
lengthen (or slow) the shutter speed

49. Can you save layers in a JPEG file format?
No
factor of 2 = 1 stop compensation. (Each time a factor doubles - it's one additional stop)
JPEG
Total number of pixels

50. What do TTL systems react to?
Because you can move in close to the subject
The amount of light reflected back from the subject during exposure.
Lasso tool
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).