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Test your basic knowledge |
Certified Professional Photographer
Start Test
Study First
Subject
:
certifications
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 do TTL systems react to?
8 stops
Metadata
Short lighting.
The amount of light reflected back from the subject during exposure.
2. What color is opposite Green on the color wheel?
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.
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)
Use and adjustment layer
Magenta
3. Going clockwise around the color wheel - starting with RED - what is the progression of colors?
Red - Yellow - Green - Cyan - Blue - Magenta
Add cyan
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.
The amount of light reflected back from the subject during exposure.
4. An 8x10 at 240 dpi will have a resolution of what?
1920 pixels by 2400 pixels (4.6 million pixels)
24 bits per pixel (8 per color) - which gives 16 -777 -216 colors
Broad lighting
Add red
5. When the size of the aperture is decreased - it is said to be what?
sRGB
Reciprocal relationship
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)
stopped down
6. Digital cameras use what set of primary colors?
8 stops
Additive (R - G - B)
A simple lens with two curved sides or one curved and one flat side; found in a compound lens.
1 or 2
7. When mixed in varying proportion - the subtractive primary colors produce what?
Absorbs equal quantities of all wavelengths of light. It allows you to use wider apertures or slower shutter speeds without changing color balance.
Because you can move in close to the subject
Shutter-priority
All colors
8. When the additive primaries are mixed together equally - what is created?
All colors
White (additive primaries are Red - Green Blue)
Soft proofing
dynamic range (not to be confused with gamut)
9. What is the CCD or CMOS sensor?
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10. A normal (or standard) focal length lens approximates what?
Infinity
The diaphragm - the mechanism that controls aperture.
Front lighting
The impression human vision gives
11. The relative aperture is equal to the lens focal length divided by what?
aperture diameter
Creates deep shadows in eye pockets - under nose - and chin.
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.
It increases
12. What is the term used to describe data contained in a digital image?
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.
Metadata
(X times Y = exposure) Intensity (aperture) x Time (shutter)
Aperture - focal length - and distance to the subject
13. Name 2 ways you can decrease depth of field.
One stop
Black (0)
Through the Lens. A camera that can automatically control flash exposure using sensors inside the camera.
1) Use a longer lens; 2) Move closer to the subject
14. Panning does what?
Lasso tool
High Dynamic Range
a sensor (or film's) sensitivity to light
Keeps a moving subject sharp while blurring the background
15. The term "ISO speed" is used to describe what?
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16. If an image is too magenta - what color adjustment should be made in Photoshop to correct it?
Add green
Blue & Green
Use positive exposure compensation (overexposure). A reflected meter reading will attempt to make the scene 18% gray - employ overexposure to adjust.
A mirror and pentaprism
17. If you're working with an automatic camera and you set the shutter speed and the camera sets the aperture - what mode are you working in?
A new layer
Shutter-priority
Depth of field
Contrast
18. What is a color profile?
Add red
White (255)
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).
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.
19. How would you define exposure in mathematical terms?
Metadata fields that hold info on photographer - subject - and use.
1) Use a shorter focal length; 2) Move farther away from the subject
High Dynamic Range
(X times Y = exposure) Intensity (aperture) x Time (shutter)
20. Doubling the aperture setting creates how many stops difference in the amount of light reaching the sensor?
Use negative exposure compensation (underexpose). The meter will attempt to make the dark scene 18% grey - underexpose to bring it back to dark.
International Organization for Standardization
Small light source at an angle to the subject
One stop
21. What kind of light will be produced when using a large white umbrella close to a subject?
A raster image
Actual Pixel view
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.
flat - low contrast light
22. What is a thyristor?
ISO
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.
8 bits
bend toward each other and converge at the focal point.
23. What is a BYTE?
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.
5000K
A simple lens with two curved sides or one curved and one flat side; found in a compound lens.
3:1 or 4:1
24. A histogram shows what in an image?
Depth of field
Black (0)
The brightness of all the pixels in an image
Lasso tool
25. Printers use what set of colors?
Subtractive primaries (plus black)
24 bits per pixel (8 per color) - which gives 16 -777 -216 colors
International Organization for Standardization
3:1 or 4:1
26. Sharpness from near to far is controlled by what?
Incident light meter
Aperture
Follow focus
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.
27. In a 2:1 ratio - the shadow side of the subject would meter at X stop(s) less than the highlight side.
One stop less
Curves adjustment; Levels adjustment; Brighteness/Contrast adjustment
lens-to-subject distance
Aperture
28. What kind of lighting pattern is best for average oval faces and round faces you want to slim?
Short lighting.
The difference between light and dark.
Add yellow
Reciprocal relationship
29. An SLR camera uses what to allow you to see exactly what you'll photograph?
The diaphragm - the mechanism that controls aperture.
Add cyan
A mirror and pentaprism
90 degrees. If using to eliminate reflections - it should be used at 35 degrees.
30. What is the best color profile for web images?
sRGB
90 degrees. If using to eliminate reflections - it should be used at 35 degrees.
Hue - Luminance - Saturation
Aperture
31. If an image is too cyan - what color adjustment should be made in Photoshop to correct it?
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.
Metadata
Add red
sRGB
32. In a curves adjustment layer - what does the shape of the curve indicate?
Front lighting
More of the background and foreground are sharp.
One stop less
Contrast
33. What is the name of the technique used to make a monitor look like what you will see on your print?
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.
Soft proofing
International Organization for Standardization
Follow focus
34. An image made of pixels is sometimes called what?
A raster image
Additive (R - G - B)
Shutter-priority
Follow focus
35. Why does a short lens create wide-angle distortion?
Because you can move in close to the subject
Fisheye
Infinity
90 degrees. If using to eliminate reflections - it should be used at 35 degrees.
36. What is dodging?
Convex
bend toward each other and converge at the focal point.
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 blocking light during print exposure to lighten the area
37. What Photoshop tool allows you to select an area of any size or shape by drawing freehand?
Lasso tool
Lower
Variations command
Blue & Green
38. What are the three main factors that affect depth of field?
The diagonal measurement of the sensor.
Aperture - focal length - and distance to the subject
One stop
Snoot
39. Bit depth refers to what?
To strike the side of the face away from the camera.
The amount of information contained in each pixel
Use and adjustment layer
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).
40. Color systems divide all colors into which three measurements?
The entire range of colors that can be seen - reproduced - or captured. Our eyes have a greater gamut than a print or monitor.
All colors
Hue - Luminance - Saturation
High Dynamic Range
41. What is a derivative file?
3:1 or 4:1
No
Similar to a normal lens at about 30 degrees
A RAW file that has been altered
42. When the subtractive primaries are added together equally - what is created?
RAID system
Add red
Black. Subtractive primaries are Magenta - Yellow - Cyan
5000K
43. What color is opposite Red on the color wheel?
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.
lengthen (or slow) the shutter speed
Cyan
Use positive exposure compensation (overexposure). A reflected meter reading will attempt to make the scene 18% gray - employ overexposure to adjust.
44. What is the inverse square law?
Shutter-Priority
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.
1920 pixels by 2400 pixels (4.6 million pixels)
Add red
45. Contrast measures what in a print?
1) Magnification - or the size of the subject; 2) Angle of view
Total number of pixels
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.
The difference between light and dark.
46. What color is between Magenta and Cyan on the color wheel?
Along the lines of an imaginary grid at intersecting points that divide the image into thirds horizontally and vertically
Dynamic range
Blue
All colors
47. The area of acceptable sharpness in an image is called what?
Half as much light
Butterfly lighting
Depth of field
Levels adjustment
48. If you're working with an automatic camera and you set the aperture and the camera sets the shutter speed - what mode are you working in?
(X times Y = exposure) Intensity (aperture) x Time (shutter)
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.
Aperture
Aperture-priority
49. 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?
Use positive exposure compensation (overexposure). A reflected meter reading will attempt to make the scene 18% gray - employ overexposure to adjust.
Short lighting.
White (255)
A mirror and pentaprism
50. What is a Bit?
Convex
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.
Along the lines of an imaginary grid at intersecting points that divide the image into thirds horizontally and vertically
Maybe as little as 0.5 degrees or 1 degree