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 kind of lighting pattern places the key light directly in front of and higher than the face?
24 bits per pixel (8 per color) - which gives 16 -777 -216 colors
1920 pixels by 2400 pixels (4.6 million pixels)
Butterfly lighting
1) Magnification - or the size of the subject; 2) Angle of view

2. Can you save layers in a JPEG file format?
No
White (255)
Flattens out the volume of the subject and minimizes textures
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.

3. What kind of film can help reduce haze in a landscape?
A simple lens with two curved sides or one curved and one flat side; found in a compound lens.
Infrared
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.
Selectively blocking light during print exposure to lighten the area

4. A tonal correction cannot be accomplished by using a...
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.
Selectively blocking light during print exposure to lighten the area
hue/saturation adjustment layer
Dynamic range

5. This type of file format compresses images by discarding pixels; therefore - each time an images is compressed - it loses pixels.
JPEG
Soft proofing
Butterfly lighting
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.

6. How can you change the brightness of the background when using flash?
All colors
Dynamic range
Butterfly lighting
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.

7. Using this kind of automatic exposure setting on the camera - you set the aperture and the camera sets the shutter speed.
Similar to a normal lens at about 30 degrees
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.
The sensor's sensitivity to light
Aperture-Priority

8. Whenever another image is copied or moved into a file - Photoshop automatically creates what?
Memory card / flash card / compact flash card
Close-ups that are life-size or larger. Images through microscopes are "photomicrographs."
A new layer
Blue

9. Printers use what set of colors?
White (additive primaries are Red - Green Blue)
Subtractive primaries (plus black)
1 or 2
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.

10. This kind of meter is preferred by photographers working in a studio situation where lighting conditions can be altered.
Convex
Use and adjustment layer
Incident light meter
International Organization for Standardization

11. The image transmitted by the lens is recorded by the what?
Bit
Lower
sensor
Add red

12. What is a BYTE?
Reflected light meter
a sensor (or film's) sensitivity to light
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.
Selectively increasing print exposure - which will make select parts of the image darker

13. Digital cameras use what set of primary colors?
Short lighting
Additive (R - G - B)
Lower
Black (0)

14. What color is opposite Red on the color wheel?
Dynamic range
A RAW file that has been altered
Fair Use
Cyan

15. This stores electronic images captured in a digital camera until they can be transferred to a computer.
Front lighting
The diagonal measurement of the sensor.
Memory card / flash card / compact flash card
Use positive exposure compensation (overexposure). A reflected meter reading will attempt to make the scene 18% gray - employ overexposure to adjust.

16. This technique allows you to keep a subject that is moving toward you well focused.
Follow focus
1) Magnification - or the size of the subject; 2) Angle of view
Metamerism
a sensor (or film's) sensitivity to light

17. The histogram of a properly exposed grey card will show a vertical bar where on the histogram?
To strike the side of the face away from the camera.
In the middle
Lasso tool
Aperture and shutter

18. To produce optimal sharpness - detail - and resolution - is a higher or lower ISO setting better?
Aperture and shutter
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.
Lower
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.

19. How much resolution do you need for: Internet? Newspaper? Photographic print? Glossy magazine?
Metadata
Add green
Internet = 72 dpi; Newspaper = 150 dpi; Photographic print = 240-300 dpi; Gloss magazine = 400 dpi
Curves adjustment; Levels adjustment; Brighteness/Contrast adjustment

20. Daylight is approximately what color temperature?
flat - low contrast light
Metadata fields that hold info on photographer - subject - and use.
emphasizes textures
5 -000 Kelvin

21. When doing close-up work - what happens to the depth of field when the subject is closer to the lens?
Infinity
flat - low contrast light
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.
No change. The EXPOSURE doesn't change or it would also change the background as well. Move the lights to adjust.

22. How does 'unsharp mask' work?
Shutter speed & aperture
Metadata
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.
Short lighting.

23. What angle should a polarizing filter be to the sun for best results?
3:1 or 4:1
Because you can move in close to the subject
Along the lines of an imaginary grid at intersecting points that divide the image into thirds horizontally and vertically
90 degrees. If using to eliminate reflections - it should be used at 35 degrees.

24. What angle of view does a reflected light meter read?
Add red
Shutter-priority
90 degrees. If using to eliminate reflections - it should be used at 35 degrees.
Similar to a normal lens at about 30 degrees

25. What kind of meter is built in to most cameras?
Reflected light meter
Blue & Green
Snoot
3:1 or 4:1

26. What do the bars on the right of a histogram represent?
Infrared
Magenta
Reflected light meter
White (255)

27. What is TTL?
Lower
3:1 or 4:1
1 1/3 stops
Through the Lens. A camera that can automatically control flash exposure using sensors inside the camera.

28. Convex lenses cause light rays to do what?
bend toward each other and converge at the focal point.
Additive (R - G - B)
Black (0)
Reflected light meter

29. Cyan is composed of equal parts of what two colors?
The distance between the lens rear nodal point and the focal plane when the lens is focused at infinity.
Blue & Green
Glossy paper
Along the lines of an imaginary grid at intersecting points that divide the image into thirds horizontally and vertically

30. The relative aperture is equal to the lens focal length divided by what?
Because you can move in close to the subject
aperture diameter
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.
1/250th

31. What does a neutral density filter do?
Fair Use
Absorbs equal quantities of all wavelengths of light. It allows you to use wider apertures or slower shutter speeds without changing color balance.
Use and adjustment layer
The brightness of the light that reaches the sensor

32. What do TTL systems react to?
24 bits per pixel (8 per color) - which gives 16 -777 -216 colors
ISO
The amount of light reflected back from the subject during exposure.
Use negative exposure compensation (underexpose). The meter will attempt to make the dark scene 18% grey - underexpose to bring it back to dark.

33. What is the term used to describe a sensor's sensitivity to light?
Subtractive primaries (plus black)
Use and adjustment layer
Inkjet black & white printing where color cartridges are replaced with shades of gray - resulting in smooth tones and slight color cast
ISO

34. To minimize facial wrinkles - this type of lighting is best.
Black. Subtractive primaries are Magenta - Yellow - Cyan
Lower
Aperture-priority
Front lighting

35. According to the rule of thirds - where should the important parts of an image fall?
bend toward each other and converge at the focal point.
Use positive exposure compensation (overexposure). A reflected meter reading will attempt to make the scene 18% gray - employ overexposure to adjust.
Along the lines of an imaginary grid at intersecting points that divide the image into thirds horizontally and vertically
Snoot

36. Bit depth refers to what?
four times more
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 amount of information contained in each pixel
1 1/3 stops

37. What does the term "stop" mean?
A change in illumination
8 stops
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.
a sensor (or film's) sensitivity to light

38. When the additive primaries are mixed together equally - what is created?
24 bits per pixel (8 per color) - which gives 16 -777 -216 colors
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.
8 bits
White (additive primaries are Red - Green Blue)

39. What is the name of the issue that prevents you from seeing exactly what the lens sees when using a rangefinder camera?
The distance between the lens rear nodal point and the focal plane when the lens is focused at infinity.
Parallax
1) Use a shorter focal length; 2) Move farther away from the subject
One stop less

40. Aperture controls what?
Aperture - focal length - and distance to the subject
Metadata
The brightness of all the pixels in an image
The brightness of the light that reaches the sensor

41. What is a Bit?
Additive (R - G - B)
5 -000 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.
Variations command

42. In short lighting - where is the main light placed?
Soft proofing
sRGB
To strike the side of the face away from the camera.
Shutter-priority

43. 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?
On a scanner; it guesses what the pixels look like in between the ones the scanner can actually measure.
Infinity
Use positive exposure compensation (overexposure). A reflected meter reading will attempt to make the scene 18% gray - employ overexposure to adjust.
stopped down

44. What is interpolated resolution?
One stop less
On a scanner; it guesses what the pixels look like in between the ones the scanner can actually measure.
1) Use a shorter focal length; 2) Move farther away from the subject
Shutter-Priority

45. What is burning?
a sensor (or film's) sensitivity to light
In the middle
Selectively increasing print exposure - which will make select parts of the image darker
sensor

46. A 1:1 lighting ratio produces what lighting result?
5000K
sensor
Flat lighting
Short lighting.

47. If an image is too red - what color adjustment should be made in Photoshop to correct it?
No change. The EXPOSURE doesn't change or it would also change the background as well. Move the lights to adjust.
Add cyan
The brightness of all the pixels in an image
The distance between the lens rear nodal point and the focal plane when the lens is focused at infinity.

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

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49. If an image is too magenta - what color adjustment should be made in Photoshop to correct it?
Add green
Flattens out the volume of the subject and minimizes textures
Short lighting.
Parallax

50. Focal length controls what?
Red - Yellow - Green - Cyan - Blue - Magenta
1) Magnification - or the size of the subject; 2) Angle of view
Flat lighting
(X times Y = exposure) Intensity (aperture) x Time (shutter)