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. Resolution refers to what?
Aperture and shutter
Shutter-Priority
flat - low contrast light
The number of pixels per unit of length in a image

2. 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
Use negative exposure compensation (underexpose). The meter will attempt to make the dark scene 18% grey - underexpose to bring it back to dark.
The diagonal measurement of the sensor.
Broad lighting

3. A lens with a very wide angle of view and produces barrel distortion is what kind of lens?
Fisheye
Internet = 72 dpi; Newspaper = 150 dpi; Photographic print = 240-300 dpi; Gloss magazine = 400 dpi
flat - low contrast light
Curves adjustment; Levels adjustment; Brighteness/Contrast adjustment

4. The useable exposure range of a sensor - or the range of subject brightness is called what?
dynamic range (not to be confused with gamut)
The number of pixels per unit of length in a image
Levels adjustment
Metadata

5. What is the inverse square law?
A new layer
Front lighting
White (additive primaries are Red - Green Blue)
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.

6. In a curves adjustment layer - what does the shape of the curve indicate?
A new layer
Variations command
3200 Kelvin
Contrast

7. To minimize facial wrinkles - this type of lighting is best.
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.
bend toward each other and converge at the focal point.
Front lighting
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.

8. The histogram of a properly exposed grey card will show a vertical bar where on the histogram?
Add blue
Creates deep shadows in eye pockets - under nose - and chin.
Lower
In the middle

9. 8 bits per pixel gives you how many colors?
Fair Use
A mirror and pentaprism
256
Maybe as little as 0.5 degrees or 1 degree

10. What angle should a polarizing filter be to the sun for best results?
Cyan
Also called a gobo; it is a small panel usually mounted on a stand that shades some part of the subject or shields the lens from light that could cause flare
Follow focus
90 degrees. If using to eliminate reflections - it should be used at 35 degrees.

11. What is gamut?
Broad lighting
Convex
Bit
The entire range of colors that can be seen - reproduced - or captured. Our eyes have a greater gamut than a print or monitor.

12. An image made of pixels is sometimes called what?
Inkjet black & white printing where color cartridges are replaced with shades of gray - resulting in smooth tones and slight color cast
Half as much light
All colors
A raster image

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

14. Panning does what?
Bit
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.
1) Magnification - or the size of the subject; 2) Angle of view
Keeps a moving subject sharp while blurring the background

15. What kind of meter is built in to most cameras?
Flattens out the volume of the subject and minimizes textures
Curves adjustment; Levels adjustment; Brighteness/Contrast adjustment
Reflected light meter
A change in illumination

16. What is the usable exposure range - or range of subject brightness called?
Reciprocal relationship
One stop less
Dynamic range
Use negative exposure compensation (underexpose). The meter will attempt to make the dark scene 18% grey - underexpose to bring it back to dark.

17. Generally - traditional portraits use what lighting ratio?
Infinity
3:1 or 4:1
A high contrast image
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.

18. A technique used to maintain sharp focus on a subject that is moving toward you is called what?
Fair Use
Infrared
stopped down
Follow focus

19. If an image is too yellow - what color adjustment should be made in Photoshop to correct it?
1 1/3 stops
Very wide at about 180 degrees
Add blue
Add magenta

20. A ring of thin - overlapping leaves located inside the lens is called what?
Close-ups that are life-size or larger. Images through microscopes are "photomicrographs."
The diaphragm - the mechanism that controls aperture.
Selectively blocking light during print exposure to lighten the area
Small light source at an angle to the subject

21. What is the name of the technique used to make a monitor look like what you will see on your print?
Black (0)
Short lighting.
Soft proofing
No

22. To produce optimal sharpness - detail - and resolution - is a higher or lower ISO setting better?
The number of pixels per unit of length in a image
Cyan
Lower
ISO

23. A tall vertical line on the right hand edge of a histogram indicates what?
Because you can move in close to the subject
Blown highlights
Half as much light
The diagonal measurement of the sensor.

24. Name 2 ways you can decrease depth of field.
3:1 or 4:1
Along the lines of an imaginary grid at intersecting points that divide the image into thirds horizontally and vertically
To strike the side of the face away from the camera.
1) Use a longer lens; 2) Move closer to the subject

25. How is brightness and contrast best controlled in Photoshop?
Metadata fields that hold info on photographer - subject - and use.
Lasso tool
1) Use a shorter focal length; 2) Move farther away from the subject
Levels adjustment

26. As the aperture is stopped down - what happens to sharpness?
More of the background and foreground are sharp.
Incident light meter
The difference between light and dark.
Maybe as little as 0.5 degrees or 1 degree

27. What are IPTC fields used for?
The sensor's sensitivity to light
Short lighting
Selectively blocking light during print exposure to lighten the area
Metadata fields that hold info on photographer - subject - and use.

28. The relative aperture is equal to the lens focal length divided by what?
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.
The number of pixels per unit of length in a image
aperture diameter
Also called a gobo; it is a small panel usually mounted on a stand that shades some part of the subject or shields the lens from light that could cause flare

29. A histogram shows what in an image?
four times more
The brightness of all the pixels in an image
The pixels per inch a scanner is capable of capturing often described as two numbers (i.e. 1200x2400)
Maybe as little as 0.5 degrees or 1 degree

30. 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?
A mirror and pentaprism
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.
Shutter-priority
A new layer

31. An SLR camera uses what to allow you to see exactly what you'll photograph?
A mirror and pentaprism
The amount of light reflected back from the subject during exposure.
Snoot
A change in illumination

32. What is a Bit?
Use positive exposure compensation (overexposure). A reflected meter reading will attempt to make the scene 18% gray - employ overexposure to adjust.
Cyan
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.
Add blue

33. What is a thyristor?
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.
Maybe as little as 0.5 degrees or 1 degree
Fisheye
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.

34. What are luminance and illuminance?
One stop
Lasso tool
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.
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)

35. Sharpness from near to far is controlled by what?
Add blue
A new layer
Two (f/8 > f/11 > f/16)
Aperture

36. How much resolution do you need for: Internet? Newspaper? Photographic print? Glossy magazine?
JPEG
Internet = 72 dpi; Newspaper = 150 dpi; Photographic print = 240-300 dpi; Gloss magazine = 400 dpi
The impression human vision gives
3200 Kelvin

37. The quantity of light that reaches your sensor is controlled by what?
hue/saturation adjustment layer
Total number of pixels
sRGB
Shutter speed & aperture

38. What is an element and where is it found?
Internet = 72 dpi; Newspaper = 150 dpi; Photographic print = 240-300 dpi; Gloss magazine = 400 dpi
A simple lens with two curved sides or one curved and one flat side; found in a compound lens.
Small light source at an angle to the subject
The number of pixels per unit of length in a image

39. When the size of the aperture is decreased - it is said to be what?
stopped down
5 -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.
four times more

40. Digital cameras use what set of primary colors?
stopped down
The distance between the lens rear nodal point and the focal plane when the lens is focused at infinity.
Additive (R - G - B)
9

41. This type of backup system is fault-tolerant because it creates redundant data.
No change. The EXPOSURE doesn't change or it would also change the background as well. Move the lights to adjust.
Maybe as little as 0.5 degrees or 1 degree
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.
RAID system

42. As the aperture becomes smaller - what happens to the depth of field?
It increases
3:1 or 4:1
Glossy paper
Metamerism

43. What is the term used to describe human's change in perception of a color under different light sources?
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.
Parallax
1 or 2
Metamerism

44. Daylight is approximately what color temperature?
The impression human vision gives
Along the lines of an imaginary grid at intersecting points that divide the image into thirds horizontally and vertically
Metamerism
5 -000 Kelvin

45. What is a derivative file?
Add blue
Follow focus
A RAW file that has been altered
The diaphragm - the mechanism that controls aperture.

46. If you're working with an automatic camera and you set the aperture and the camera sets the shutter speed - what mode are you working in?
Along the lines of an imaginary grid at intersecting points that divide the image into thirds horizontally and vertically
Blue & Green
White (255)
Aperture-priority

47. When mixed in varying proportion - the subtractive primary colors produce what?
Small light source at an angle to the subject
Dynamic range
Keeps a moving subject sharp while blurring the background
All colors

48. In the 20th century - black & white photographers used the Zone system to tame excessive contrast. Now - digital photographers use what?
Click with the neutral-point dropper on the selected color
bend toward each other and converge at the focal point.
High Dynamic Range
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.

49. What are quad- and hex- tone printing?
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.
Memory card / flash card / compact flash card
Inkjet black & white printing where color cartridges are replaced with shades of gray - resulting in smooth tones and slight color cast
8 stops

50. Most modern lenses are based on this kind of lens.
The entire range of colors that can be seen - reproduced - or captured. Our eyes have a greater gamut than a print or monitor.
Add blue
1 1/3 stops
Convex