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?
5000K
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.
Variations command
The number of pixels per unit of length in a image

2. What does side lighting emphasize?
Small light source at an angle to the subject
flat - low contrast light
emphasizes textures
Blue & Green

3. The relative aperture is equal to the lens focal length divided by what?
Levels adjustment
Aperture
aperture diameter
Contrast

4. This technique allows you to keep a subject that is moving toward you well focused.
Inkjet black & white printing where color cartridges are replaced with shades of gray - resulting in smooth tones and slight color cast
Follow focus
Use positive exposure compensation (overexposure). A reflected meter reading will attempt to make the scene 18% gray - employ overexposure to adjust.
The distance between the lens rear nodal point and the focal plane when the lens is focused at infinity.

5. Daylight is approximately what color temperature?
A raster image
Glossy paper
Additive (R - G - B)
5 -000 Kelvin

6. When the additive primaries are mixed together equally - what is created?
Reflected light meter
A change in illumination
The brightness of all the pixels in an image
White (additive primaries are Red - Green Blue)

7. The smallest unit of digital information is called a what?
hue/saturation adjustment layer
Blue & Green
A mirror and pentaprism
Bit

8. If an image is too yellow - what color adjustment should be made in Photoshop to correct it?
Magenta
Aperture-Priority
Add blue
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.

9. What is the term used to describe a sensor's sensitivity to light?
1) Use a shorter focal length; 2) Move farther away from the subject
No
stopped down
ISO

10. A lens with a very wide angle of view and produces barrel distortion is what kind of lens?
flat - low contrast light
Metadata
Fisheye
1) Use a longer lens; 2) Move closer to the subject

11. What is a color profile?
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).
One stop
No change. The EXPOSURE doesn't change or it would also change the background as well. Move the lights to adjust.
Absorbs equal quantities of all wavelengths of light. It allows you to use wider apertures or slower shutter speeds without changing color balance.

12. Why does a short lens create wide-angle distortion?
JPEG
Because you can move in close to the subject
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.
It increases

13. In short lighting - where is the main light placed?
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.
To strike the side of the face away from the camera.
Keeps a moving subject sharp while blurring the background
1) Magnification - or the size of the subject; 2) Angle of view

14. What does "photomacrograph" or "macrophotograph" mean?
Blue
Close-ups that are life-size or larger. Images through microscopes are "photomicrographs."
5000K
Reciprocal relationship

15. 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.
Follow focus
Blue
3200 Kelvin

16. When the size of the aperture is decreased - it is said to be what?
Because you can move in close to the subject
stopped down
Memory card / flash card / compact flash card
Variations command

17. What is a Bit?
Variations command
Small light source at an angle 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.
No change. The EXPOSURE doesn't change or it would also change the background as well. Move the lights to adjust.

18. Whenever another image is copied or moved into a file - Photoshop automatically creates what?
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.
1) Magnification - or the size of the subject; 2) Angle of view
A new layer
bend toward each other and converge at the focal point.

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

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20. What kind of lighting pattern is useful to widen a subject?
The diaphragm - the mechanism that controls aperture.
Zoom lens
Broad lighting
Aperture-Priority

21. What kind of meter is built in to most cameras?
Reflected light meter
Blue & Green
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.
Follow focus

22. Most modern lenses are based on this kind of lens.
Parallax
The distance between the lens rear nodal point and the focal plane when the lens is focused at infinity.
Convex
The sensor that converts the image from analog to digital (1's and 0's) CCD=charge coupled device; CMOS=complementary metal-oxide semiconductor

23. A general purpose lens will provide an f-stop range of up to how many?
The sensor's sensitivity to light
Metadata
8 stops
International Organization for Standardization

24. In a curves adjustment layer - what does the shape of the curve indicate?
5 -000 Kelvin
Contrast
Convex
A raster image

25. What is the optical resolution on a scanner defined as?
Lower
The pixels per inch a scanner is capable of capturing often described as two numbers (i.e. 1200x2400)
Half as much light
Zoom lens

26. What is a BYTE?
Metamerism
Zoom lens
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.
One stop

27. What are the three main factors that affect depth of field?
High Dynamic Range
Shutter-priority
Aperture - focal length - and distance to the subject
Add green

28. What does ISO stand for?
International Organization for Standardization
aperture diameter
The difference between light and dark.
Memory card / flash card / compact flash card

29. 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?
Aperture-priority
A new layer
90 degrees. If using to eliminate reflections - it should be used at 35 degrees.
A mirror and pentaprism

30. What is TTL?
256
Black. Subtractive primaries are Magenta - Yellow - Cyan
Through the Lens. A camera that can automatically control flash exposure using sensors inside the camera.
Flat lighting

31. What angle of view does a reflected light meter read?
Shutter-priority
Parallax
Yellow
Similar to a normal lens at about 30 degrees

32. A ring of thin - overlapping leaves located inside the lens is called what?
Infinity
The diaphragm - the mechanism that controls aperture.
Lower
Yellow

33. When doing close-up work - what happens to the depth of field when the subject is closer to the lens?
Use and adjustment layer
The brightness of all the pixels in an image
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.
Blue & Green

34. Perspective is affected by what?
Additive (R - G - B)
lens-to-subject distance
stopped down
four times more

35. What is gamut?
Total number of pixels
Inkjet black & white printing where color cartridges are replaced with shades of gray - resulting in smooth tones and slight color cast
The entire range of colors that can be seen - reproduced - or captured. Our eyes have a greater gamut than a print or monitor.
(X times Y = exposure) Intensity (aperture) x Time (shutter)

36. Sharpness from near to far is controlled by what?
Aperture
factor of 2 = 1 stop compensation. (Each time a factor doubles - it's one additional stop)
A mirror and pentaprism
Add green

37. An SLR camera uses what to allow you to see exactly what you'll photograph?
Infinity
lengthen (or slow) the shutter speed
International Organization for Standardization
A mirror and pentaprism

38. Name two ways you can increase depth of field (other than changing aperture).
1) Use a shorter focal length; 2) Move farther away from 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.
The difference between light and dark.
Snoot

39. How would you define exposure in mathematical terms?
(X times Y = exposure) Intensity (aperture) x Time (shutter)
Total number of pixels
Metadata fields that hold info on photographer - subject - and use.
dynamic range (not to be confused with gamut)

40. 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?
dynamic range (not to be confused with gamut)
8 bits
bend toward each other and converge at the focal point.
Shutter-priority

41. Contrast measures what in a print?
The number of pixels per unit of length in a image
3200 Kelvin
The difference between light and dark.
Use positive exposure compensation (overexposure). A reflected meter reading will attempt to make the scene 18% gray - employ overexposure to adjust.

42. What is the effect of front lighting?
Flattens out the volume of the subject and minimizes textures
Yellow
A new layer
A change in illumination

43. A histogram shows what in an image?
A change in illumination
The brightness of all the pixels in an image
Butterfly lighting
1/250th

44. What is the general rule of thumb for the measurement of a 'normal' lens?
Soft proofing
The diagonal measurement of the sensor.
Selecting portions of the image based on color
3:1 or 4:1

45. If an image is too cyan - what color adjustment should be made in Photoshop to correct it?
Add red
Memory card / flash card / compact flash card
The diaphragm - the mechanism that controls aperture.
The sensor's sensitivity to light

46. What would you use an ICC profile for?
Incident light meter
Aperture
Aperture-priority
To send accurate color requirements to a printer.

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

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48. All objects beyond the closest distance in focus will be sharp when this appears within the DOF scale.
Black. Subtractive primaries are Magenta - Yellow - Cyan
Through the Lens. A camera that can automatically control flash exposure using sensors inside the camera.
Infinity
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.

49. What is the name of the issue that prevents you from seeing exactly what the lens sees when using a rangefinder camera?
Similar to a normal lens at about 30 degrees
Parallax
Magenta
Small light source at an angle to the subject

50. What is the CCD or CMOS sensor?

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