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

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2. When doing close-up work - what happens to the depth of field when the subject is closer to the lens?
1920 pixels by 2400 pixels (4.6 million pixels)
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.
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.
Fisheye

3. What does side lighting emphasize?
Black (0)
All colors
emphasizes textures
A high contrast image

4. Why is depth of field greater on a short lens versus a long lens?
Broad lighting
Levels adjustment
Metadata fields that hold info on photographer - subject - and use.
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.

5. If an image is too red - what color adjustment should be made in Photoshop to correct it?
Half as much light
four times more
Infinity
Add cyan

6. What light source has the highest color temperature?
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.
Direct sun at 11 -000 Kelvin
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.
The brightness of all the pixels in an image

7. Convex lenses cause light rays to do what?
RAID system
bend toward each other and converge at the focal point.
Shutter speed & aperture
Add yellow

8. What is burning?
Aperture-Priority
Selectively blocking light during print exposure to lighten the area
A high contrast image
Selectively increasing print exposure - which will make select parts of the image darker

9. This viewing option gives you the most accurate version of your image in Photoshop.
1) Use a longer lens; 2) Move closer to the subject
Actual Pixel view
sensor
No change. The EXPOSURE doesn't change or it would also change the background as well. Move the lights to adjust.

10. In a digital image - the images file sizes corresponds to the total number of what in the image?
Total number of pixels
JPEG
four times more
Curves adjustment; Levels adjustment; Brighteness/Contrast adjustment

11. Stopping a lens down from f/8 to f/16 represents a X stop difference.
sensor
Reciprocal relationship
Two (f/8 > f/11 > f/16)
Add magenta

12. This technique allows you to keep a subject that is moving toward you well focused.
lengthen (or slow) the shutter speed
One stop
256
Follow focus

13. What is an element and where is it found?
5 -000 Kelvin
Along the lines of an imaginary grid at intersecting points that divide the image into thirds horizontally and vertically
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.
A simple lens with two curved sides or one curved and one flat side; found in a compound lens.

14. Most lenses are sharpest closed down to how many stops from the widest?
Shutter speed & aperture
Black (0)
1 or 2
lengthen (or slow) the shutter speed

15. An 8x10 at 240 dpi will have a resolution of what?
Flat lighting
1920 pixels by 2400 pixels (4.6 million pixels)
Add green
A high contrast image

16. To produce optimal sharpness - detail - and resolution - is a higher or lower ISO setting better?
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) Use a shorter focal length; 2) Move farther away from the subject
Lower
To strike the side of the face away from the camera.

17. What angle of view does a reflected light meter read?
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.
The difference between light and dark.
Similar to a normal lens at about 30 degrees
The sensor's sensitivity to light

18. 8 bits per pixel gives you how many colors?
256
Infrared
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.
On a scanner; it guesses what the pixels look like in between the ones the scanner can actually measure.

19. The amount of motion blur in an image will increase if you do what?
lengthen (or slow) the shutter speed
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 sensor that converts the image from analog to digital (1's and 0's) CCD=charge coupled device; CMOS=complementary metal-oxide semiconductor
Maybe as little as 0.5 degrees or 1 degree

20. What does "photomacrograph" or "macrophotograph" mean?
8 bits
a sensor (or film's) sensitivity to light
Close-ups that are life-size or larger. Images through microscopes are "photomicrographs."
Cyan

21. All objects beyond the closest distance in focus will be sharp when this appears within the DOF scale.
Reflected light meter
3:1 or 4:1
Infinity
A simple lens with two curved sides or one curved and one flat side; found in a compound lens.

22. A technique used to maintain sharp focus on a subject that is moving toward you is called what?
Use positive exposure compensation (overexposure). A reflected meter reading will attempt to make the scene 18% gray - employ overexposure to adjust.
Follow focus
Metadata fields that hold info on photographer - subject - and use.
Because you can move in close to the subject

23. What kind of lighting pattern is best for average oval faces and round faces you want to slim?
Incident light meter
Levels adjustment
lengthen (or slow) the shutter speed
Short lighting.

24. 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?
International Organization for Standardization
The diaphragm - the mechanism that controls aperture.
four times more
Butterfly lighting

25. The area of acceptable sharpness in an image is called what?
Depth of field
1/250th
Because you can move in close to the subject
The impression human vision gives

26. What does ISO stand for?
International Organization for Standardization
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.
Add red
Bit

27. Can you save layers in a JPEG file format?
The amount of information contained in each pixel
Butterfly 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.
No

28. The rule of thirds necessitates that the composition be divided into a grid of now many equal rectangles or squares?
Click with the neutral-point dropper on the selected color
emphasizes textures
9
The sensor's sensitivity to light

29. What is the name of the technique used to make a monitor look like what you will see on your print?
Soft proofing
3200 Kelvin
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.
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)

30. What kind of light will be produced when using a large white umbrella close to a subject?
four times more
International Organization for Standardization
flat - low contrast light
ISO

31. How much resolution do you need for: Internet? Newspaper? Photographic print? Glossy magazine?
Internet = 72 dpi; Newspaper = 150 dpi; Photographic print = 240-300 dpi; Gloss magazine = 400 dpi
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 brightness of all the pixels in an image
stopped down

32. What kind of lighting pattern places the key light directly in front of and higher than the face?
Blown highlights
Butterfly lighting
Close-ups that are life-size or larger. Images through microscopes are "photomicrographs."
Fisheye

33. If an image is too magenta - what color adjustment should be made in Photoshop to correct it?
One stop less
Add green
Shutter speed & aperture
International Organization for Standardization

34. A ring of thin - overlapping leaves located inside the lens is called what?
Inkjet black & white printing where color cartridges are replaced with shades of gray - resulting in smooth tones and slight color cast
A new layer
Black (0)
The diaphragm - the mechanism that controls aperture.

35. Instead of permanently altering your image when adjusting for color and value - what should you do?
flat - low contrast light
90 degrees. If using to eliminate reflections - it should be used at 35 degrees.
Use and adjustment layer
5 -000 Kelvin

36. What is a thyristor?
Infrared
Soft proofing
lens-to-subject distance
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.

37. The quantity of light that reaches your sensor is controlled by what?
Shutter speed & aperture
Blue & Green
Zoom lens
Flat lighting

38. As the aperture is stopped down - what happens to sharpness?
Add red
More of the background and foreground are sharp.
9
8 bits

39. What are the three main factors that affect depth of field?
9
Maybe as little as 0.5 degrees or 1 degree
lengthen (or slow) the shutter speed
Aperture - focal length - and distance to the subject

40. This type of backup system is fault-tolerant because it creates redundant data.
RAID system
Add red
a sensor (or film's) sensitivity to light
The amount of light reflected back from the subject during exposure.

41. In short lighting - where is the main light placed?
To strike the side of the face away from the camera.
Bit
Add magenta
Convex

42. What kind of lighting pattern is useful to widen a subject?
A simple lens with two curved sides or one curved and one flat side; found in a compound lens.
Broad lighting
emphasizes textures
dynamic range (not to be confused with gamut)

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

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44. What is the effect of front lighting?
dynamic range (not to be confused with gamut)
9
Flattens out the volume of the subject and minimizes textures
High Dynamic Range

45. What is dodging?
The diaphragm - the mechanism that controls aperture.
sRGB
Selectively blocking light during print exposure to lighten the area
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.

46. Perspective is affected by what?
Shutter speed & aperture
Creates deep shadows in eye pockets - under nose - and chin.
Internet = 72 dpi; Newspaper = 150 dpi; Photographic print = 240-300 dpi; Gloss magazine = 400 dpi
lens-to-subject distance

47. Most inkjet printers intended for photographic printing include light and dark inks of all of the colors except for one. Which color ink is usually available only in one density?
Yellow
Use and adjustment layer
1) Use a longer lens; 2) Move closer to the subject
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).

48. A general purpose lens will provide an f-stop range of up to how many?
5000K
8 stops
Add yellow
Reflected light meter

49. To minimize facial wrinkles - this type of lighting is best.
RAID system
1) Use a shorter focal length; 2) Move farther away from the subject
Front lighting
Aperture

50. If an image is too blue - what color adjustment should be made in Photoshop to correct it?
RAID system
1 or 2
Metamerism
Add yellow