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. What is a thyristor?
factor of 2 = 1 stop compensation. (Each time a factor doubles - it's one additional stop)
Creates deep shadows in eye pockets - under nose - and chin.
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.
Fair Use

2. 8 bits per pixel gives you how many colors?
256
3200 Kelvin
On a scanner; it guesses what the pixels look like in between the ones the scanner can actually measure.
stopped down

3. How can you change the brightness of the background when using flash?
3:1 or 4:1
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
Short lighting

4. The useable exposure range of a sensor - or the range of subject brightness is called what?
1 1/3 stops
Along the lines of an imaginary grid at intersecting points that divide the image into thirds horizontally and vertically
The brightness of all the pixels in an image
dynamic range (not to be confused with gamut)

5. An SLR camera uses what to allow you to see exactly what you'll photograph?
bend toward each other and converge at the focal point.
A mirror and pentaprism
Shutter-Priority
Internet = 72 dpi; Newspaper = 150 dpi; Photographic print = 240-300 dpi; Gloss magazine = 400 dpi

6. A 1:1 lighting ratio produces what lighting result?
Flat lighting
Depth of field
The pixels per inch a scanner is capable of capturing often described as two numbers (i.e. 1200x2400)
Similar to a normal lens at about 30 degrees

7. Cyan is composed of equal parts of what two colors?
The diaphragm - the mechanism that controls aperture.
The brightness of all the pixels in an image
Blue & Green
1) Use a longer lens; 2) Move closer to the subject

8. An image made of pixels is sometimes called what?
A raster image
Levels adjustment
The impression human vision gives
A mirror and pentaprism

9. What angle of view does an incident meter read?
Very wide at about 180 degrees
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.
Add red
Levels adjustment

10. What kind of lighting patter is useful to narrow a face?
Red - Yellow - Green - Cyan - Blue - Magenta
Short lighting
The pixels per inch a scanner is capable of capturing often described as two numbers (i.e. 1200x2400)
On a scanner; it guesses what the pixels look like in between the ones the scanner can actually measure.

11. What do TTL systems react to?
5 -000 Kelvin
bend toward each other and converge at the focal point.
ISO
The amount of light reflected back from the subject during exposure.

12. The greatest tonal range from black to white is achievable on what kind of paper?
Add red
Black. Subtractive primaries are Magenta - Yellow - Cyan
Glossy paper
High Dynamic Range

13. What kind of lighting pattern places the key light directly in front of and higher than the face?
Butterfly lighting
Glossy paper
Hue - Luminance - Saturation
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.

14. Stopping a lens down from f/8 to f/16 represents a X stop difference.
Absorbs equal quantities of all wavelengths of light. It allows you to use wider apertures or slower shutter speeds without changing color balance.
Two (f/8 > f/11 > f/16)
Short lighting.
One stop less

15. In short lighting - where is the main light placed?
International Organization for Standardization
flat - low contrast light
1) Use a shorter focal length; 2) Move farther away from the subject
To strike the side of the face away from the camera.

16. As the aperture is stopped down - what happens to sharpness?
3:1 or 4:1
Aperture-priority
Add cyan
More of the background and foreground are sharp.

17. This kind of lens has a variable focal length.
a sensor (or film's) sensitivity to light
Zoom lens
Through the Lens. A camera that can automatically control flash exposure using sensors inside the camera.
Small light source at an angle to the subject

18. What is the name of the issue that prevents you from seeing exactly what the lens sees when using a rangefinder camera?
Very wide at about 180 degrees
Lasso tool
White (255)
Parallax

19. The term to describe the combination of aperture and shutter speed that can be changed by moving them in opposite directions.
Red - Yellow - Green - Cyan - Blue - Magenta
Reciprocal relationship
Short lighting
RAID system

20. A ring of thin - overlapping leaves located inside the lens is called what?
The diaphragm - the mechanism that controls aperture.
Glossy paper
Use negative exposure compensation (underexpose). The meter will attempt to make the dark scene 18% grey - underexpose to bring it back to dark.
Close-ups that are life-size or larger. Images through microscopes are "photomicrographs."

21. The quantity of light that reaches your sensor is controlled by what?
Shutter speed & aperture
International Organization for Standardization
Inkjet black & white printing where color cartridges are replaced with shades of gray - resulting in smooth tones and slight color cast
Short lighting

22. Maximum depth of field at a given aperture is achieved by focusing at what?
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.
Additive (R - G - B)
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.
Blue

23. What does the term "stop" mean?
bend toward each other and converge at the focal point.
Red - Yellow - Green - Cyan - Blue - Magenta
Because you can move in close to the subject
A change in illumination

24. To emphasize texture in a portrait - what kind of light source is recommended?
Infrared
Small light source at an angle to the subject
Fair Use
In the middle

25. What are the effects of top lighting?
Yellow
1 or 2
Creates deep shadows in eye pockets - under nose - and chin.
The difference between light and dark.

26. If an image is too cyan - what color adjustment should be made in Photoshop to correct it?
Dynamic range
Add red
Aperture and shutter
four times more

27. What is the general rule of thumb for the measurement of a 'normal' lens?
The diagonal measurement of the sensor.
Shutter speed & aperture
1/250th
1) Use a longer lens; 2) Move closer to the subject

28. Perspective is affected by what?
lens-to-subject distance
Close-ups that are life-size or larger. Images through microscopes are "photomicrographs."
The impression human vision gives
Use negative exposure compensation (underexpose). The meter will attempt to make the dark scene 18% grey - underexpose to bring it back to dark.

29. What is the usable exposure range - or range of subject brightness called?
Dynamic range
Close-ups that are life-size or larger. Images through microscopes are "photomicrographs."
Levels adjustment
The entire range of colors that can be seen - reproduced - or captured. Our eyes have a greater gamut than a print or monitor.

30. 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?

31. This light modifier can be used to highlight a specific area of the subject.
Two (f/8 > f/11 > f/16)
Snoot
sRGB
The impression human vision gives

32. What is a flag?
It increases
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.
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
Memory card / flash card / compact flash card

33. Most lenses are sharpest closed down to how many stops from the widest?
1 or 2
256
Aperture
Red - Yellow - Green - Cyan - Blue - Magenta

34. Instead of permanently altering your image when adjusting for color and value - what should you do?
The brightness of the light that reaches the sensor
Blue
To send accurate color requirements to a printer.
Use and adjustment layer

35. What angle of view does a reflected light meter read?
Yellow
Total number of pixels
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
Similar to a normal lens at about 30 degrees

36. Focal length controls what?
Reciprocal relationship
Metadata fields that hold info on photographer - subject - and use.
Add yellow
1) Magnification - or the size of the subject; 2) Angle of view

37. This stores electronic images captured in a digital camera until they can be transferred to a computer.
Memory card / flash card / compact flash card
hue/saturation adjustment layer
1/250th
A change in illumination

38. What is dodging?
Add blue
Through the Lens. A camera that can automatically control flash exposure using sensors inside the camera.
RAID system
Selectively blocking light during print exposure to lighten the area

39. What kind of light will be produced when using a large white umbrella close to a subject?
The difference between light and dark.
flat - low contrast light
four times more
Use positive exposure compensation (overexposure). A reflected meter reading will attempt to make the scene 18% gray - employ overexposure to adjust.

40. If an image is too red - what color adjustment should be made in Photoshop to correct it?
A raster image
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 pixels per inch a scanner is capable of capturing often described as two numbers (i.e. 1200x2400)
Add cyan

41. What is the term used to describe data contained in a digital image?
Follow focus
Metadata
Convex
bend toward each other and converge at the focal point.

42. A general purpose lens will provide an f-stop range of up to how many?
To strike the side of the face away from the camera.
5 -000 Kelvin
Short lighting
8 stops

43. What would you use an ICC profile for?
Through the Lens. A camera that can automatically control flash exposure using sensors inside the camera.
Metadata fields that hold info on photographer - subject - and use.
1 or 2
To send accurate color requirements to a printer.

44. The histogram of a properly exposed grey card will show a vertical bar where on the histogram?
Contrast
Additive (R - G - B)
sRGB
In the middle

45. 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?
8 stops
Creates deep shadows in eye pockets - under nose - and chin.
Levels adjustment
Use positive exposure compensation (overexposure). A reflected meter reading will attempt to make the scene 18% gray - employ overexposure to adjust.

46. This type of file format compresses images by discarding pixels; therefore - each time an images is compressed - it loses pixels.
More of the background and foreground are sharp.
Add blue
lens-to-subject distance
JPEG

47. What are quad- and hex- tone printing?
Hue - Luminance - Saturation
It increases
The distance between the lens rear nodal point and the focal plane when the lens is focused at infinity.
Inkjet black & white printing where color cartridges are replaced with shades of gray - resulting in smooth tones and slight color cast

48. Bit depth refers to what?
More of the background and foreground are sharp.
The amount of information contained in each pixel
stopped down
All colors

49. Doubling the aperture setting creates how many stops difference in the amount of light reaching the sensor?
One stop
Total number of pixels
Parallax
To send accurate color requirements to a printer.

50. A magic wand tool is used for what?
Selecting portions of the image based on color
1 1/3 stops
bend toward each other and converge at the focal point.
Add yellow