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 does side lighting emphasize?
Shutter-Priority
emphasizes textures
Aperture-priority
Short lighting

2. What is dodging?
Selectively blocking light during print exposure to lighten the area
Yellow
Follow focus
White (additive primaries are Red - Green Blue)

3. What is the CCD or CMOS sensor?

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4. A histogram shows what in an image?
Add yellow
1920 pixels by 2400 pixels (4.6 million pixels)
Actual Pixel view
The brightness of all the pixels in an image

5. This viewing option gives you the most accurate version of your image in Photoshop.
Actual Pixel view
Short lighting
Two (f/8 > f/11 > f/16)
Memory card / flash card / compact flash card

6. Perspective is affected by what?
Infinity
Dynamic range
Aperture and shutter
lens-to-subject distance

7. When mixed in varying proportion - the subtractive primary colors produce what?
Infinity
All colors
Glossy paper
It increases

8. What color is between Magenta and Cyan on the color wheel?
Hue - Luminance - Saturation
Along the lines of an imaginary grid at intersecting points that divide the image into thirds horizontally and vertically
Total number of pixels
Blue

9. Daylight is approximately what color temperature?
Click with the neutral-point dropper on the selected color
5 -000 Kelvin
Aperture-priority
Metadata fields that hold info on photographer - subject - and use.

10. This type of backup system is fault-tolerant because it creates redundant data.
Parallax
sensor
RAID system
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.

11. A lens set at f/4 admits how much more/less light than one set at f/2.8?
9
Half as much light
four times more
Flat lighting

12. In a digital image - the images file sizes corresponds to the total number of what in the image?
Add magenta
The diagonal measurement of the sensor.
Click with the neutral-point dropper on the selected color
Total number of pixels

13. If an image is too magenta - what color adjustment should be made in Photoshop to correct it?
Blown highlights
8 bits
Add green
Yellow

14. Resolution refers to what?
(X times Y = exposure) Intensity (aperture) x Time (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.
The number of pixels per unit of length in a image
A high contrast image

15. What Photoshop tool allows you to select an area of any size or shape by drawing freehand?
High Dynamic Range
All colors
The brightness of all the pixels in an image
Lasso tool

16. A general purpose lens will provide an f-stop range of up to how many?
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)
8 stops
The pixels per inch a scanner is capable of capturing often described as two numbers (i.e. 1200x2400)
flat - low contrast light

17. What are IPTC fields used for?
Glossy paper
sRGB
Flattens out the volume of the subject and minimizes textures
Metadata fields that hold info on photographer - subject - and use.

18. An SLR camera uses what to allow you to see exactly what you'll photograph?
Metamerism
The entire range of colors that can be seen - reproduced - or captured. Our eyes have a greater gamut than a print or monitor.
A mirror and pentaprism
(X times Y = exposure) Intensity (aperture) x Time (shutter)

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

20. Aperture controls what?
Infinity
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.
The brightness of the light that reaches the sensor
sRGB

21. What is the term used to describe human's change in perception of a color under different light sources?
Blue & Green
Metamerism
RAID system
Butterfly lighting

22. Photoshop's command for a simple way to start using color balance is what?
Selectively blocking light during print exposure to lighten the area
Variations command
Small light source at an angle to the subject
Use and adjustment layer

23. What are the effects of high side lighting?
lengthen (or slow) the shutter speed
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.
Selectively increasing print exposure - which will make select parts of the image darker
The sensor's sensitivity to light

24. The rule of thirds necessitates that the composition be divided into a grid of now many equal rectangles or squares?
The number of pixels per unit of length in a image
9
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.
Aperture and shutter

25. What is interpolated resolution?
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)
1 1/3 stops
The distance between the lens rear nodal point and the focal plane when the lens is focused at infinity.
On a scanner; it guesses what the pixels look like in between the ones the scanner can actually measure.

26. When the additive primaries are mixed together equally - what is created?
Blue & Green
White (additive primaries are Red - Green Blue)
The difference between light and dark.
Inkjet black & white printing where color cartridges are replaced with shades of gray - resulting in smooth tones and slight color cast

27. What does a neutral density filter do?
a sensor (or film's) sensitivity to light
Absorbs equal quantities of all wavelengths of light. It allows you to use wider apertures or slower shutter speeds without changing color balance.
24 bits per pixel (8 per color) - which gives 16 -777 -216 colors
Broad lighting

28. What do TTL systems react to?
Two (f/8 > f/11 > f/16)
Blue
The amount of light reflected back from the subject during exposure.
The entire range of colors that can be seen - reproduced - or captured. Our eyes have a greater gamut than a print or monitor.

29. When the size of the aperture is decreased - it is said to be what?
High Dynamic Range
To send accurate color requirements to a printer.
Add blue
stopped down

30. A tonal correction cannot be accomplished by using a...
Flat lighting
The entire range of colors that can be seen - reproduced - or captured. Our eyes have a greater gamut than a print or monitor.
Curves adjustment; Levels adjustment; Brighteness/Contrast adjustment
hue/saturation adjustment layer

31. The relative aperture is equal to the lens focal length divided by what?
In the middle
It increases
One stop less
aperture diameter

32. To produce optimal sharpness - detail - and resolution - is a higher or lower ISO setting better?
Soft proofing
Lower
lengthen (or slow) the shutter speed
(X times Y = exposure) Intensity (aperture) x Time (shutter)

33. What kind of lighting pattern is useful to widen a subject?
Close-ups that are life-size or larger. Images through microscopes are "photomicrographs."
Broad lighting
Subtractive primaries (plus black)
Small light source at an angle to the subject

34. What color is opposite Red on the color wheel?
Flattens out the volume of the subject and minimizes textures
A simple lens with two curved sides or one curved and one flat side; found in a compound lens.
Cyan
flat - low contrast light

35. What determines what will be a 'normal' focal length lens on a particular camera?
Levels adjustment
The brightness of all the pixels in an image
Blown highlights
Sensor size - the larger the sensor size - the longer the focal length of a normal lens. (Corresponds to a diagonal line across the frame)

36. What is the inverse square law?
Levels adjustment
3:1 or 4:1
No change. The EXPOSURE doesn't change or it would also change the background as well. Move the lights to adjust.
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.

37. The image transmitted by the lens is recorded by the what?
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.
sensor
Metadata fields that hold info on photographer - subject - and use.
The diaphragm - the mechanism that controls aperture.

38. Name 2 ways you can decrease depth of field.
Shutter-Priority
1) Use a longer lens; 2) Move closer to the subject
A new layer
Lasso tool

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

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40. What are the three main factors that affect depth of field?
Short lighting.
Aperture - focal length - and distance to the subject
Along the lines of an imaginary grid at intersecting points that divide the image into thirds horizontally and vertically
Add yellow

41. 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?
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.
Because you can move in close to the subject
A change in illumination
Use positive exposure compensation (overexposure). A reflected meter reading will attempt to make the scene 18% gray - employ overexposure to adjust.

42. What are quad- and hex- tone printing?
Very wide at about 180 degrees
Inkjet black & white printing where color cartridges are replaced with shades of gray - resulting in smooth tones and slight color cast
four times more
Maybe as little as 0.5 degrees or 1 degree

43. What kind of lighting patter is useful to narrow a face?
Short lighting
Add magenta
Two (f/8 > f/11 > f/16)
1) Magnification - or the size of the subject; 2) Angle of view

44. Cyan is composed of equal parts of what two colors?
High Dynamic Range
Blue & Green
A mirror and pentaprism
The pixels per inch a scanner is capable of capturing often described as two numbers (i.e. 1200x2400)

45. In a 2:1 ratio - the shadow side of the subject would meter at X stop(s) less than the highlight side.
Aperture
One stop less
5 -000 Kelvin
Because you can move in close to the subject

46. A color image with smooth gradiations requires at least what bit depth?
5 -000 Kelvin
Magenta
24 bits per pixel (8 per color) - which gives 16 -777 -216 colors
stopped down

47. If you must move to reduce the amount of flash reaching your subject - how far do you move?
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.
All colors
Selectively increasing print exposure - which will make select parts of the image darker
256

48. What kind of lighting pattern places the key light directly in front of and higher than the face?
Add blue
Butterfly lighting
8 stops
Black (0)

49. Copyright law has certain built-in exceptions that allow for special situations in using copyrighted material. They are called what?
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)
Fair Use
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.
Levels adjustment

50. Why is depth of field greater on a short lens versus a long lens?
The impression human vision gives
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.
Broad lighting
Aperture-priority