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. If an image is too cyan - what color adjustment should be made in Photoshop to correct it?
Add red
stopped down
High Dynamic Range
Curves adjustment; Levels adjustment; Brighteness/Contrast adjustment

2. To minimize facial wrinkles - this type of lighting is best.
Depth of field
Broad lighting
Front lighting
Short lighting.

3. What light source has the highest color temperature?
hue/saturation adjustment layer
Levels adjustment
A change in illumination
Direct sun at 11 -000 Kelvin

4. What would you use an ICC profile for?
To send accurate color requirements to a printer.
Red - Yellow - Green - Cyan - Blue - Magenta
Magenta
Inkjet black & white printing where color cartridges are replaced with shades of gray - resulting in smooth tones and slight color cast

5. What do the bars on the right of a histogram represent?
a sensor (or film's) sensitivity to light
Click with the neutral-point dropper on the selected color
A raster image
White (255)

6. What kind of lighting pattern is best for average oval faces and round faces you want to slim?
Curves adjustment; Levels adjustment; Brighteness/Contrast adjustment
Short lighting.
To strike the side of the face away from the camera.
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. Most modern lenses are based on this kind of lens.
Add green
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.
Convex
four times more

8. Daylight is approximately what color temperature?
5 -000 Kelvin
1/250th
The entire range of colors that can be seen - reproduced - or captured. Our eyes have a greater gamut than a print or monitor.
A change in illumination

9. Why does a short lens create wide-angle distortion?
Because you can move in close to the subject
emphasizes textures
ISO
hue/saturation adjustment layer

10. All objects beyond the closest distance in focus will be sharp when this appears within the DOF scale.
Selectively blocking light during print exposure to lighten the area
Infinity
A change in illumination
One stop

11. The amount of motion blur in an image will increase if you do what?
The distance between the lens rear nodal point and the focal plane when the lens is focused at infinity.
Red - Yellow - Green - Cyan - Blue - Magenta
lengthen (or slow) the shutter speed
Curves adjustment; Levels adjustment; Brighteness/Contrast adjustment

12. 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
On a scanner; it guesses what the pixels look like in between the ones the scanner can actually measure.
All colors
(X times Y = exposure) Intensity (aperture) x Time (shutter)

13. Photoshop's command for a simple way to start using color balance is what?
Variations command
A high contrast image
Maybe as little as 0.5 degrees or 1 degree
A raster image

14. What do TTL systems react to?
The amount of light reflected back from the subject during exposure.
Metadata
Add yellow
The diagonal measurement of the sensor.

15. A lens set at f/4 admits how much more/less light than one set at f/2.8?
Absorbs equal quantities of all wavelengths of light. It allows you to use wider apertures or slower shutter speeds without changing color balance.
hue/saturation adjustment layer
Half as much light
A mirror and pentaprism

16. What does the term "stop" mean?
The entire range of colors that can be seen - reproduced - or captured. Our eyes have a greater gamut than a print or monitor.
A change in illumination
A raster image
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.

17. 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?
Blue & Green
Yellow
Aperture-Priority
3:1 or 4:1

18. What is focal length - technically?
International Organization for Standardization
White (255)
The distance between the lens rear nodal point and the focal plane when the lens is focused at infinity.
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.

19. In a curves adjustment layer - what does the shape of the curve indicate?
The number of pixels per unit of length in a image
Add magenta
All colors
Contrast

20. What is dodging?
Selectively blocking light during print exposure to lighten the area
Creates deep shadows in eye pockets - under nose - and chin.
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.
Selecting portions of the image based on color

21. What is an element and where is it found?
Butterfly lighting
Glossy paper
The difference between light and dark.
A simple lens with two curved sides or one curved and one flat side; found in a compound lens.

22. What angle should a polarizing filter be to the sun for best results?
90 degrees. If using to eliminate reflections - it should be used at 35 degrees.
More of the background and foreground are sharp.
The difference between light and dark.
Flattens out the volume of the subject and minimizes textures

23. What is the term used to describe human's change in perception of a color under different light sources?
Zoom lens
Close-ups that are life-size or larger. Images through microscopes are "photomicrographs."
Metamerism
5 -000 Kelvin

24. Tungsten is approximately what color temperature?
emphasizes textures
The diagonal measurement of the sensor.
3200 Kelvin
Yellow

25. Name 3 ways to make a tonal adjustment in Photoshop.
Curves adjustment; Levels adjustment; Brighteness/Contrast adjustment
Add blue
Reciprocal relationship
On a scanner; it guesses what the pixels look like in between the ones the scanner can actually measure.

26. What is the effect of front lighting?
3:1 or 4:1
Flattens out the volume of the subject and minimizes textures
Parallax
The amount of light reflected back from the subject during exposure.

27. This viewing option gives you the most accurate version of your image in Photoshop.
Lower
Actual Pixel view
Add cyan
Shutter-priority

28. In short lighting - where is the main light placed?
To strike the side of the face away from the camera.
Convex
3200 Kelvin
Hue - Luminance - Saturation

29. Bit depth refers to what?
Butterfly lighting
Add blue
Zoom lens
The amount of information contained in each pixel

30. An image made of pixels is sometimes called what?
White (255)
Red - Yellow - Green - Cyan - Blue - Magenta
The amount of information contained in each pixel
A raster image

31. In a 2:1 ratio - the shadow side of the subject would meter at X stop(s) less than the highlight side.
Use and adjustment layer
Use positive exposure compensation (overexposure). A reflected meter reading will attempt to make the scene 18% gray - employ overexposure to adjust.
One stop less
Direct sun at 11 -000 Kelvin

32. What is the suggested shutter speed to stop action of a child running parallel to the film plan - about 25 feet from the camera?
One stop
1/250th
Yellow
dynamic range (not to be confused with gamut)

33. What does side lighting emphasize?
emphasizes textures
Add yellow
In the middle
Keeps a moving subject sharp while blurring the background

34. Generally - traditional portraits use what lighting ratio?
3:1 or 4:1
Depth of field
Aperture and shutter
To send accurate color requirements to a printer.

35. What angle of view does an incident meter read?
stopped down
Very wide at about 180 degrees
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.
Two (f/8 > f/11 > f/16)

36. What is TTL?
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.
Shutter-priority
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).
Through the Lens. A camera that can automatically control flash exposure using sensors inside the camera.

37. Perspective is affected by what?
The difference between light and dark.
lens-to-subject distance
High Dynamic Range
3:1 or 4:1

38. What color is opposite Green on the color wheel?
stopped down
A raster image
A simple lens with two curved sides or one curved and one flat side; found in a compound lens.
Magenta

39. What is the name of the issue that prevents you from seeing exactly what the lens sees when using a rangefinder camera?
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.
Variations command
Parallax
Keeps a moving subject sharp while blurring the background

40. When the subtractive primaries are added together equally - what is created?
Black. Subtractive primaries are Magenta - Yellow - Cyan
256
aperture diameter
Yellow

41. Aperture controls what?
White (255)
The brightness of the light that reaches the sensor
One stop
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.

42. What are luminance and illuminance?
Snoot
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)
Red - Yellow - Green - Cyan - Blue - Magenta
The distance between the lens rear nodal point and the focal plane when the lens is focused at infinity.

43. A general purpose lens will provide an f-stop range of up to how many?
8 stops
Memory card / flash card / compact flash card
The diaphragm - the mechanism that controls aperture.
To strike the side of the face away from the camera.

44. Instead of permanently altering your image when adjusting for color and value - what should you do?
Use and adjustment layer
Aperture
a sensor (or film's) sensitivity to light
The brightness of all the pixels in an image

45. What angle of view does a spot meter read?
Shutter speed & aperture
Maybe as little as 0.5 degrees or 1 degree
The impression human vision gives
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.

46. A tonal correction cannot be accomplished by using a...
24 bits per pixel (8 per color) - which gives 16 -777 -216 colors
hue/saturation adjustment layer
Hue - Luminance - Saturation
Infinity

47. What are the effects of high side lighting?
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.
No change. The EXPOSURE doesn't change or it would also change the background as well. Move the lights to adjust.
3200 Kelvin

48. What do the bars on the left of a histogram represent?
Subtractive primaries (plus black)
Selectively increasing print exposure - which will make select parts of the image darker
Aperture - focal length - and distance to the subject
Black (0)

49. The area of acceptable sharpness in an image is called what?
Depth of field
The amount of information contained in each pixel
Through the Lens. A camera that can automatically control flash exposure using sensors inside the camera.
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)

50. 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?

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