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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. Tungsten is approximately what color temperature?
Because you can move in close to the subject
3200 Kelvin
Hue - Luminance - Saturation
Add magenta
2. What is the usable exposure range - or range of subject brightness called?
Shutter-priority
Keeps a moving subject sharp while blurring the background
Glossy paper
Dynamic range
3. What does the term "stop" mean?
High Dynamic Range
Similar to a normal lens at about 30 degrees
Infrared
A change in illumination
4. To emphasize texture in a portrait - what kind of light source is recommended?
Short lighting.
emphasizes textures
Small light source at an angle to the subject
Also called a gobo; it is a small panel usually mounted on a stand that shades some part of the subject or shields the lens from light that could cause flare
5. What kind of lighting pattern is best for average oval faces and round faces you want to slim?
Absorbs equal quantities of all wavelengths of light. It allows you to use wider apertures or slower shutter speeds without changing color balance.
Short lighting.
One stop less
To strike the side of the face away from the camera.
6. A color image with smooth gradiations requires at least what bit depth?
24 bits per pixel (8 per color) - which gives 16 -777 -216 colors
Lasso tool
lens-to-subject distance
Aperture - focal length - and distance to the subject
7. When doing close-up work - what happens to the depth of field when the subject is closer to the lens?
Sensor size - the larger the sensor size - the longer the focal length of a normal lens. (Corresponds to a diagonal line across the frame)
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 impression human vision gives
Reflected light meter
8. If an image is too cyan - what color adjustment should be made in Photoshop to correct it?
Broad lighting
Add red
ISO
Total number of pixels
9. If an image is too magenta - what color adjustment should be made in Photoshop to correct it?
Add green
Red - Yellow - Green - Cyan - Blue - Magenta
JPEG
Infinity
10. A ring of thin - overlapping leaves located inside the lens is called what?
The diaphragm - the mechanism that controls aperture.
Close-ups that are life-size or larger. Images through microscopes are "photomicrographs."
four times more
Fair Use
11. What do the bars on the right of a histogram represent?
Magenta
White (255)
lengthen (or slow) the shutter speed
Subtractive primaries (plus black)
12. What color is between Magenta and Cyan on the color wheel?
flat - low contrast light
Blue
Broad lighting
Levels adjustment
13. In a digital image - the images file sizes corresponds to the total number of what in the image?
Total number of pixels
Broad lighting
1) Use a longer lens; 2) Move closer to the subject
Shutter-Priority
14. A tall vertical line on the right hand edge of a histogram indicates what?
Reflected light meter
Along the lines of an imaginary grid at intersecting points that divide the image into thirds horizontally and vertically
Blown highlights
1) Magnification - or the size of the subject; 2) Angle of view
15. What are the effects of top lighting?
The diagonal measurement of the sensor.
A mirror and pentaprism
All colors
Creates deep shadows in eye pockets - under nose - and chin.
16. 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.
Blown highlights
Maybe as little as 0.5 degrees or 1 degree
5 -000 Kelvin
17. Contrast measures what in a print?
Inkjet black & white printing where color cartridges are replaced with shades of gray - resulting in smooth tones and slight color cast
The difference between light and dark.
sRGB
3:1 or 4:1
18. This stores electronic images captured in a digital camera until they can be transferred to a computer.
Very wide at about 180 degrees
The impression human vision gives
Memory card / flash card / compact flash card
A high contrast image
19. Generally - how much exposure compensation (in stops) should be used when using a polarizing filter?
High Dynamic Range
Magenta
1 1/3 stops
Fair Use
20. 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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21. What would you use an ICC profile for?
Because you can move in close to the subject
To send accurate color requirements to a printer.
four times more
The number of pixels per unit of length in a image
22. An image made of pixels is sometimes called what?
The number of pixels per unit of length in a image
A raster image
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.
Curves adjustment; Levels adjustment; Brighteness/Contrast adjustment
23. What kind of lighting pattern places the key light directly in front of and higher than the face?
Convex
Butterfly lighting
Variations command
Very wide at about 180 degrees
24. What determines what will be a 'normal' focal length lens on a particular camera?
256
lens-to-subject distance
Sensor size - the larger the sensor size - the longer the focal length of a normal lens. (Corresponds to a diagonal line across the frame)
To send accurate color requirements to a printer.
25. If an image is too blue - what color adjustment should be made in Photoshop to correct it?
Add yellow
1/250th
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.
The impression human vision gives
26. Aperture controls what?
1) Magnification - or the size of the subject; 2) Angle of view
The brightness of the light that reaches the sensor
bend toward each other and converge at the focal point.
Short lighting
27. The relative aperture is equal to the lens focal length divided by 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.
aperture diameter
1920 pixels by 2400 pixels (4.6 million pixels)
1/250th
28. What kind of lighting pattern is useful to widen a subject?
Metadata fields that hold info on photographer - subject - and use.
The difference between light and dark.
Maybe as little as 0.5 degrees or 1 degree
Broad lighting
29. What is a thyristor?
Direct sun at 11 -000 Kelvin
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.
sensor
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.
30. The image transmitted by the lens is recorded by the what?
flat - low contrast light
One stop
sensor
Add cyan
31. 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?
Hue - Luminance - Saturation
lens-to-subject distance
Use negative exposure compensation (underexpose). The meter will attempt to make the dark scene 18% grey - underexpose to bring it back to dark.
No
32. How does 'unsharp mask' work?
Very wide at about 180 degrees
The difference between light and dark.
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
33. What does "photomacrograph" or "macrophotograph" mean?
No
Use and adjustment layer
Actual Pixel view
Close-ups that are life-size or larger. Images through microscopes are "photomicrographs."
34. The smallest unit of digital information is called a what?
A mirror and pentaprism
Variations command
Bit
The sensor that converts the image from analog to digital (1's and 0's) CCD=charge coupled device; CMOS=complementary metal-oxide semiconductor
35. The term "ISO speed" is used to describe what?
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36. To produce optimal sharpness - detail - and resolution - is a higher or lower ISO setting better?
Aperture-priority
Selectively blocking light during print exposure to lighten the area
1) Magnification - or the size of the subject; 2) Angle of view
Lower
37. 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.
Use positive exposure compensation (overexposure). A reflected meter reading will attempt to make the scene 18% gray - employ overexposure to adjust.
Memory card / flash card / compact flash card
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.
38. What is the name of the technique used to make a monitor look like what you will see on your print?
Soft proofing
(X times Y = exposure) Intensity (aperture) x Time (shutter)
1) Use a longer lens; 2) Move closer to the subject
Metadata
39. Focal length controls what?
1) Magnification - or the size of the subject; 2) Angle of 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.
lens-to-subject distance
factor of 2 = 1 stop compensation. (Each time a factor doubles - it's one additional stop)
40. Copyright law has certain built-in exceptions that allow for special situations in using copyrighted material. They are called what?
Short lighting.
Fair Use
On a scanner; it guesses what the pixels look like in between the ones the scanner can actually measure.
The amount of light reflected back from the subject during exposure.
41. When the subtractive primaries are added together equally - what is created?
Add magenta
Shutter-priority
Levels adjustment
Black. Subtractive primaries are Magenta - Yellow - Cyan
42. What angle of view does an incident meter read?
Very wide at about 180 degrees
Blue
1/250th
Short lighting.
43. Printers use what set of colors?
5 -000 Kelvin
Keeps a moving subject sharp while blurring the background
Black. Subtractive primaries are Magenta - Yellow - Cyan
Subtractive primaries (plus black)
44. A technique used to maintain sharp focus on a subject that is moving toward you is called what?
Follow focus
3:1 or 4:1
Small light source at an angle to the subject
It increases
45. The term "ISO speed" is used to describe what?
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46. In a 2:1 ratio - the shadow side of the subject would meter at X stop(s) less than the highlight side.
factor of 2 = 1 stop compensation. (Each time a factor doubles - it's one additional stop)
Metamerism
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.
One stop less
47. What is a color profile?
8 stops
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).
Selecting portions of the image based on color
1) Use a shorter focal length; 2) Move farther away from the subject
48. The useable exposure range of a sensor - or the range of subject brightness is called what?
Reciprocal relationship
Yellow
In the middle
dynamic range (not to be confused with gamut)
49. Panning does what?
The distance between the lens rear nodal point and the focal plane when the lens is focused at infinity.
The amount of information contained in each pixel
Keeps a moving subject sharp while blurring the background
Half as much light
50. Color systems divide all colors into which three measurements?
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.
Snoot
Hue - Luminance - Saturation
Infrared