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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. This stores electronic images captured in a digital camera until they can be transferred to a computer.
Additive (R - G - B)
The brightness of the light that reaches 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.
Memory card / flash card / compact flash card
2. What angle of view does an incident meter read?
four times more
1) Use a shorter focal length; 2) Move farther away from the subject
Very wide at about 180 degrees
The sensor that converts the image from analog to digital (1's and 0's) CCD=charge coupled device; CMOS=complementary metal-oxide semiconductor
3. What are the three main factors that affect depth of field?
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.
Infinity
Aperture - focal length - and distance to the subject
Blown highlights
4. The quantity of light that reaches your sensor is controlled by what?
Shutter speed & aperture
lengthen (or slow) the shutter speed
Lower
Broad lighting
5. What kind of meter is built in to most cameras?
Reflected light meter
White (additive primaries are Red - Green Blue)
The sensor's sensitivity to light
A simple lens with two curved sides or one curved and one flat side; found in a compound lens.
6. Panning does what?
Yellow
Keeps a moving subject sharp while blurring the background
Very wide at about 180 degrees
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.
7. What do TTL systems react to?
The brightness of all the pixels in an image
The amount of light reflected back from the subject during exposure.
90 degrees. If using to eliminate reflections - it should be used at 35 degrees.
Add magenta
8. A color image with smooth gradiations requires at least what bit depth?
Shutter-Priority
Infrared
24 bits per pixel (8 per color) - which gives 16 -777 -216 colors
Incident light meter
9. What do the bars on the right of a histogram represent?
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.
White (255)
The sensor that converts the image from analog to digital (1's and 0's) CCD=charge coupled device; CMOS=complementary metal-oxide semiconductor
The brightness of all the pixels in an image
10. If an image is too green - what color adjustment should be made in Photoshop to correct it?
White (255)
Add magenta
Snoot
Shutter-Priority
11. This type of file format compresses images by discarding pixels; therefore - each time an images is compressed - it loses 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.
A raster image
Selectively blocking light during print exposure to lighten the area
JPEG
12. If an image is too blue - what color adjustment should be made in Photoshop to correct it?
Add yellow
Actual Pixel view
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.
Creates deep shadows in eye pockets - under nose - and chin.
13. The term "ISO speed" is used to describe what?
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14. 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?
More of the background and foreground are sharp.
Reflected light meter
Shutter-priority
bend toward each other and converge at the focal point.
15. A normal (or standard) focal length lens approximates what?
Shutter speed & aperture
The impression human vision gives
Parallax
hue/saturation adjustment layer
16. Sharpness from near to far is controlled by what?
Blue & Green
lens-to-subject distance
One stop
Aperture
17. Name 2 ways you can decrease depth of field.
Aperture-Priority
3:1 or 4:1
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.
1) Use a longer lens; 2) Move closer to the subject
18. 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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19. Most modern lenses are based on this kind of lens.
Magenta
lengthen (or slow) the shutter speed
A change in illumination
Convex
20. Bit depth refers to what?
Use positive exposure compensation (overexposure). A reflected meter reading will attempt to make the scene 18% gray - employ overexposure to adjust.
Selecting portions of the image based on color
The amount of information contained in each pixel
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.
21. Tungsten is approximately what color temperature?
Actual Pixel view
One stop
The diagonal measurement of the sensor.
3200 Kelvin
22. What are quad- and hex- tone printing?
Shutter-Priority
Hue - Luminance - Saturation
Inkjet black & white printing where color cartridges are replaced with shades of gray - resulting in smooth tones and slight color cast
Bit
23. In a curves adjustment layer - what does the shape of the curve indicate?
Contrast
Add green
Shutter-priority
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.
24. What is the usable exposure range - or range of subject brightness called?
Dynamic range
Add green
Incident light meter
Reflected light meter
25. When buying a lens hood - you should get it in what size relative to the lens?
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26. What kind of film can help reduce haze in a landscape?
The amount of light reflected back from the subject during exposure.
Infrared
Actual Pixel view
Reciprocal relationship
27. The amount of motion blur in an image will increase if you do what?
8 stops
lengthen (or slow) the shutter speed
Cyan
A RAW file that has been altered
28. The term "ISO speed" is used to describe what?
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29. A ring of thin - overlapping leaves located inside the lens is called what?
(X times Y = exposure) Intensity (aperture) x Time (shutter)
The diaphragm - the mechanism that controls aperture.
One stop
5000K
30. A histogram with peaks on either end of the histogram and a deep valley in between represents what?
aperture diameter
To strike the side of the face away from the camera.
8 bits
A high contrast image
31. What is a BYTE?
90 degrees. If using to eliminate reflections - it should be used at 35 degrees.
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.
In the middle
Dynamic range
32. Going clockwise around the color wheel - starting with RED - what is the progression of colors?
Selectively blocking light during print exposure to lighten the area
hue/saturation adjustment layer
5 -000 Kelvin
Red - Yellow - Green - Cyan - Blue - Magenta
33. What kind of light will be produced when using a large white umbrella close to a subject?
One stop less
9
Dynamic range
flat - low contrast light
34. To produce optimal sharpness - detail - and resolution - is a higher or lower ISO setting better?
Use and adjustment layer
Hue - Luminance - Saturation
Flat lighting
Lower
35. What is TTL?
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.
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.
Yellow
Through the Lens. A camera that can automatically control flash exposure using sensors inside the camera.
36. Doubling the aperture setting creates how many stops difference in the amount of light reaching the sensor?
dynamic range (not to be confused with gamut)
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.
One stop
The sensor's sensitivity to light
37. What would you use an ICC profile for?
Curves adjustment; Levels adjustment; Brighteness/Contrast adjustment
Memory card / flash card / compact flash card
bend toward each other and converge at the focal point.
To send accurate color requirements to a printer.
38. Cyan is composed of equal parts of what two colors?
Snoot
Blue & Green
Metadata
A high contrast image
39. What is the term used to describe a sensor's sensitivity to light?
Depth of field
Shutter speed & aperture
The amount of light reflected back from the subject during exposure.
ISO
40. What is the CCD or CMOS sensor?
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41. If your print will be viewed mostly under window light - what is the suggested Kelvin temperature of the lights you should use to evaluate your print?
In the middle
The distance between the lens rear nodal point and the focal plane when the lens is focused at infinity.
factor of 2 = 1 stop compensation. (Each time a factor doubles - it's one additional stop)
5000K
42. In a digital image - the images file sizes corresponds to the total number of what in the image?
Aperture and shutter
Black (0)
Total number of pixels
A raster image
43. What kind of lighting pattern places the key light directly in front of and higher than the face?
Butterfly lighting
Aperture and shutter
The impression human vision gives
Blue
44. What image adjustment tool uses a histogram display to alter an image?
The number of pixels per unit of length in a image
Aperture-Priority
Levels adjustment
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.
45. What is gamut?
Zoom lens
The entire range of colors that can be seen - reproduced - or captured. Our eyes have a greater gamut than a print or monitor.
1 1/3 stops
No
46. What are the effects of high side lighting?
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.
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.
In the middle
Direct sun at 11 -000 Kelvin
47. When doing close-up work - what happens to the depth of field when the subject is closer to the lens?
Click with the neutral-point dropper on the selected color
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 pixels per inch a scanner is capable of capturing often described as two numbers (i.e. 1200x2400)
On a scanner; it guesses what the pixels look like in between the ones the scanner can actually measure.
48. What is interpolated resolution?
It increases
Subtractive primaries (plus black)
On a scanner; it guesses what the pixels look like in between the ones the scanner can actually measure.
Reflected light meter
49. When mixed in varying proportion - the subtractive primary colors produce what?
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.
Bit
Follow focus
All colors
50. This light modifier can be used to highlight a specific area of the subject.
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.
Metadata
Snoot
A high contrast image