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. The term to describe the combination of aperture and shutter speed that can be changed by moving them in opposite directions.
Reciprocal relationship
Dynamic range
Maybe as little as 0.5 degrees or 1 degree
The impression human vision gives

2. If an image is too green - what color adjustment should be made in Photoshop to correct it?
hue/saturation adjustment layer
Lower
Add magenta
5 -000 Kelvin

3. What is a derivative file?
Reciprocal relationship
Flat lighting
A RAW file that has been altered
Half as much light

4. What is the suggested shutter speed to stop action of a child running parallel to the film plan - about 25 feet from the camera?
1/250th
Use and adjustment layer
5000K
hue/saturation adjustment layer

5. This technique allows you to keep a subject that is moving toward you well focused.
Follow focus
stopped down
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.
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.

6. What is the term used to describe a sensor's sensitivity to light?
Very wide at about 180 degrees
Maybe as little as 0.5 degrees or 1 degree
ISO
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.

7. The greatest tonal range from black to white is achievable on what kind of paper?
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.
A new layer
Glossy paper

8. As the aperture becomes smaller - what happens to the depth of field?
A new layer
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.
Maybe as little as 0.5 degrees or 1 degree
It increases

9. Maximum depth of field at a given aperture is achieved by focusing at what?
Bit
All colors
Depth of field
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.

10. The image transmitted by the lens is recorded by the what?
Similar to a normal lens at about 30 degrees
Aperture and shutter
stopped down
sensor

11. If an image is too magenta - what color adjustment should be made in Photoshop to correct it?
aperture diameter
Dynamic range
Add green
Selectively blocking light during print exposure to lighten the area

12. What is the usable exposure range - or range of subject brightness called?
The brightness of the light that reaches the sensor
Aperture
Follow focus
Dynamic range

13. A tonal correction cannot be accomplished by using a...
1920 pixels by 2400 pixels (4.6 million pixels)
Use positive exposure compensation (overexposure). A reflected meter reading will attempt to make the scene 18% gray - employ overexposure to adjust.
Very wide at about 180 degrees
hue/saturation adjustment layer

14. What is a color profile?
The diaphragm - the mechanism that controls aperture.
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).
1 1/3 stops
a sensor (or film's) sensitivity to light

15. Perspective is affected by what?
aperture diameter
A mirror and pentaprism
1) Magnification - or the size of the subject; 2) Angle of view
lens-to-subject distance

16. When the subtractive primaries are added together equally - what is created?
Contrast
Variations command
No
Black. Subtractive primaries are Magenta - Yellow - Cyan

17. What kind of lighting pattern is useful to widen a subject?
a sensor (or film's) sensitivity to light
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.
Broad lighting
Along the lines of an imaginary grid at intersecting points that divide the image into thirds horizontally and vertically

18. What is the term used to describe human's change in perception of a color under different light sources?
The impression human vision gives
(X times Y = exposure) Intensity (aperture) x Time (shutter)
Add cyan
Metamerism

19. Whenever another image is copied or moved into a file - Photoshop automatically creates what?
Selecting portions of the image based on color
Add cyan
A new layer
The sensor's sensitivity to light

20. When mixed in varying proportion - the subtractive primary colors produce what?
Dynamic range
All colors
The sensor that converts the image from analog to digital (1's and 0's) CCD=charge coupled device; CMOS=complementary metal-oxide semiconductor
Broad lighting

21. Tungsten is approximately what color temperature?
3200 Kelvin
A new layer
The difference between light and dark.
The brightness of the light that reaches the sensor

22. What kind of lighting pattern places the key light directly in front of and higher than the face?
Two (f/8 > f/11 > f/16)
Variations command
Butterfly lighting
RAID system

23. What are the effects of top lighting?
Absorbs equal quantities of all wavelengths of light. It allows you to use wider apertures or slower shutter speeds without changing color balance.
All colors
Incident light meter
Creates deep shadows in eye pockets - under nose - and chin.

24. According to the Inverse Square Law - at a distance of 10 feet from a flash - the area illuminated receives how much more/less light than the area illuminated at 20 feet from the flash?
Maybe as little as 0.5 degrees or 1 degree
four times more
The sensor's sensitivity to light
Small light source at an angle to the subject

25. What is dodging?
Metadata fields that hold info on photographer - subject - and use.
Selectively blocking light during print exposure to lighten the area
lens-to-subject distance
sRGB

26. Bit depth refers to what?
Dynamic range
The amount of information contained in each pixel
Through the Lens. A camera that can automatically control flash exposure using sensors inside the camera.
sRGB

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

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28. Focal length controls what?
Broad lighting
Blue & Green
Aperture-priority
1) Magnification - or the size of the subject; 2) Angle of view

29. What kind of light will be produced when using a large white umbrella close to a subject?
White (additive primaries are Red - Green Blue)
Click with the neutral-point dropper on the selected color
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.
flat - low contrast light

30. Can you save layers in a JPEG file format?
No
Curves adjustment; Levels adjustment; Brighteness/Contrast adjustment
Levels adjustment
Fair Use

31. Going clockwise around the color wheel - starting with RED - what is the progression of colors?
One stop less
Red - Yellow - Green - Cyan - Blue - Magenta
The pixels per inch a scanner is capable of capturing often described as two numbers (i.e. 1200x2400)
Depth of field

32. What kind of lighting pattern is best for average oval faces and round faces you want to slim?
Incident light meter
Snoot
Short 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.

33. What image adjustment tool uses a histogram display to alter an image?
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.
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 send accurate color requirements to a printer.
Levels adjustment

34. How would you define exposure in mathematical terms?
Follow focus
Broad 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.
(X times Y = exposure) Intensity (aperture) x Time (shutter)

35. What is the effect of front lighting?
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).
256
Broad lighting
Flattens out the volume of the subject and minimizes textures

36. Printers use how many bits per channel of information when printing?
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.
Similar to a normal lens at about 30 degrees
Variations command
8 bits

37. What are luminance and illuminance?
Magenta
four times more
One stop
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)

38. What Photoshop tool allows you to select an area of any size or shape by drawing freehand?
Lasso tool
3200 Kelvin
24 bits per pixel (8 per color) - which gives 16 -777 -216 colors
A high contrast image

39. What is an element and where is it found?
Reciprocal relationship
A simple lens with two curved sides or one curved and one flat side; found in a compound lens.
Keeps a moving subject sharp while blurring the background
Aperture - focal length - and distance to the subject

40. What are the three main factors that affect depth of field?
Black. Subtractive primaries are Magenta - Yellow - Cyan
Flattens out the volume of the subject and minimizes textures
Aperture - focal length - and distance to the subject
sRGB

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

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42. An in-camera reflected meter reading a very dark scene indicates an exposure of 1/250th at f/8. For a correct exposure - what should you do?
Use negative exposure compensation (underexpose). The meter will attempt to make the dark scene 18% grey - underexpose to bring it back to dark.
Bit
Keeps a moving subject sharp while blurring the background
sensor

43. Why does a short lens create wide-angle distortion?
Variations command
Because you can move in close to the subject
High Dynamic Range
Front lighting

44. What kind of meter is built in to most cameras?
Flattens out the volume of the subject and minimizes textures
On a scanner; it guesses what the pixels look like in between the ones the scanner can actually measure.
A new layer
Reflected light meter

45. According to the rule of thirds - where should the important parts of an image fall?
The diaphragm - the mechanism that controls aperture.
lengthen (or slow) the shutter speed
Close-ups that are life-size or larger. Images through microscopes are "photomicrographs."
Along the lines of an imaginary grid at intersecting points that divide the image into thirds horizontally and vertically

46. What light source has the highest color temperature?
Use and adjustment layer
1 or 2
Direct sun at 11 -000 Kelvin
Zoom lens

47. What is the best color profile for web images?
The impression human vision gives
Broad lighting
sRGB
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.

48. What is the general rule of thumb for the measurement of a 'normal' lens?
dynamic range (not to be confused with gamut)
The diagonal measurement of the sensor.
Close-ups that are life-size or larger. Images through microscopes are "photomicrographs."
bend toward each other and converge at the focal point.

49. What is the term used to describe data contained in a digital image?
Metadata
Add green
Infinity
Front lighting

50. What are quad- and hex- tone printing?
Zoom lens
Inkjet black & white printing where color cartridges are replaced with shades of gray - resulting in smooth tones and slight color cast
Use positive exposure compensation (overexposure). A reflected meter reading will attempt to make the scene 18% gray - employ overexposure to adjust.
dynamic range (not to be confused with gamut)