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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. Name 2 ways you can decrease depth of field.
Lower
1) Use a longer lens; 2) Move closer to the subject
Very wide at about 180 degrees
aperture diameter
2. What angle of view does a spot meter read?
The amount of light reflected back from the subject during exposure.
Maybe as little as 0.5 degrees or 1 degree
A change in illumination
Yellow
3. The amount of motion blur in an image will increase if you do what?
lengthen (or slow) the shutter speed
The brightness of all the pixels in an image
Keeps a moving subject sharp while blurring the background
Aperture - focal length - and distance to the subject
4. Color systems divide all colors into which three measurements?
Front lighting
Blue & Green
Metadata fields that hold info on photographer - subject - and use.
Hue - Luminance - Saturation
5. The relative aperture is equal to the lens focal length divided by what?
aperture diameter
sRGB
Front lighting
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.
6. What is focal length - technically?
8 bits
bend toward each other and converge at the focal point.
Selecting portions of the image based on color
The distance between the lens rear nodal point and the focal plane when the lens is focused at infinity.
7. What is dodging?
The brightness of the light that reaches the sensor
Selectively blocking light during print exposure to lighten the area
Two (f/8 > f/11 > f/16)
Dynamic range
8. What angle should a polarizing filter be to the sun for best results?
The brightness of the light that reaches the sensor
In the middle
9
90 degrees. If using to eliminate reflections - it should be used at 35 degrees.
9. What kind of lighting patter is useful to narrow a face?
lengthen (or slow) the shutter speed
Contrast
Short lighting
Add green
10. What is the term used to describe a sensor's sensitivity to light?
ISO
1) Magnification - or the size of the subject; 2) Angle of view
Selecting portions of the image based on color
The amount of information contained in each pixel
11. Going clockwise around the color wheel - starting with RED - what is the progression of colors?
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
Red - Yellow - Green - Cyan - Blue - Magenta
Aperture-Priority
12. What kind of lighting pattern is useful to widen a subject?
1 1/3 stops
5 -000 Kelvin
The number of pixels per unit of length in a image
Broad lighting
13. Using this kind of automatic exposure setting on the camera - you set the aperture and the camera sets the shutter speed.
Zoom lens
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-Priority
A new layer
14. Using this kind of automatic exposure setting on the camera - you set the shutter speed and the camera sets the aperture.
Shutter-Priority
stopped down
Short lighting.
256
15. All objects beyond the closest distance in focus will be sharp when this appears within the DOF scale.
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.
lengthen (or slow) the shutter speed
Infinity
16. Whenever another image is copied or moved into a file - Photoshop automatically creates what?
Add cyan
A new layer
sensor
Add yellow
17. What is a derivative file?
Aperture and shutter
A RAW file that has been altered
No
Subtractive primaries (plus black)
18. What is gamut?
Infrared
Selectively blocking light during print exposure to lighten the area
The entire range of colors that can be seen - reproduced - or captured. Our eyes have a greater gamut than a print or monitor.
Black (0)
19. Printers use how many bits per channel of information when printing?
hue/saturation adjustment layer
Variations command
Creates deep shadows in eye pockets - under nose - and chin.
8 bits
20. The rule of thirds necessitates that the composition be divided into a grid of now many equal rectangles or squares?
9
Red - Yellow - Green - Cyan - Blue - Magenta
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.
Convex
21. What is TTL?
The difference between light and dark.
Small light source at an angle to the subject
The amount of information contained in each pixel
Through the Lens. A camera that can automatically control flash exposure using sensors inside the camera.
22. What is the effect of front lighting?
Aperture and shutter
Flattens out the volume of the subject and minimizes textures
Red - Yellow - Green - Cyan - Blue - Magenta
Memory card / flash card / compact flash card
23. Doubling the aperture setting creates how many stops difference in the amount of light reaching the sensor?
Convex
1) Use a longer lens; 2) Move closer to the subject
The sensor that converts the image from analog to digital (1's and 0's) CCD=charge coupled device; CMOS=complementary metal-oxide semiconductor
One stop
24. What would you use an ICC profile for?
Memory card / flash card / compact flash card
To send accurate color requirements to a printer.
Infinity
a sensor (or film's) sensitivity to light
25. The image transmitted by the lens is recorded by the what?
Butterfly lighting
Bit
sensor
Short lighting
26. Aperture controls what?
Blue
The entire range of colors that can be seen - reproduced - or captured. Our eyes have a greater gamut than a print or monitor.
stopped down
The brightness of the light that reaches the sensor
27. What color is opposite Green on the color wheel?
Magenta
Yellow
The diaphragm - the mechanism that controls aperture.
Convex
28. What are quad- and hex- tone printing?
Short lighting
Contrast
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.
Inkjet black & white printing where color cartridges are replaced with shades of gray - resulting in smooth tones and slight color cast
29. 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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30. The useable exposure range of a sensor - or the range of subject brightness is called what?
The entire range of colors that can be seen - reproduced - or captured. Our eyes have a greater gamut than a print or monitor.
emphasizes textures
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.
31. 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?
Short lighting.
four times more
Flat lighting
The amount of information contained in each pixel
32. An 8x10 at 240 dpi will have a resolution of what?
1920 pixels by 2400 pixels (4.6 million pixels)
Selectively increasing print exposure - which will make select parts of the image darker
Glossy paper
256
33. What do the bars on the left of a histogram represent?
Black (0)
90 degrees. If using to eliminate reflections - it should be used at 35 degrees.
Maybe as little as 0.5 degrees or 1 degree
9
34. What kind of light will be produced when using a large white umbrella close to a subject?
International Organization for Standardization
9
flat - low contrast light
256
35. 8 bits per pixel gives you how many colors?
1920 pixels by 2400 pixels (4.6 million pixels)
International Organization for Standardization
256
To strike the side of the face away from the camera.
36. Sharpness from near to far is controlled by what?
Metadata
Aperture
flat - low contrast light
Through the Lens. A camera that can automatically control flash exposure using sensors inside the camera.
37. Copyright law has certain built-in exceptions that allow for special situations in using copyrighted material. They are called what?
Use positive exposure compensation (overexposure). A reflected meter reading will attempt to make the scene 18% gray - employ overexposure to adjust.
Snoot
Fair Use
Inkjet black & white printing where color cartridges are replaced with shades of gray - resulting in smooth tones and slight color cast
38. What kind of lighting pattern is best for average oval faces and round faces you want to slim?
White (additive primaries are Red - Green Blue)
Short lighting.
Total number of pixels
Depth of field
39. What is an element and where is it found?
A simple lens with two curved sides or one curved and one flat side; found in a compound lens.
Selecting portions of the image based on color
Add red
In the middle
40. A histogram shows what in an image?
Variations command
Black. Subtractive primaries are Magenta - Yellow - Cyan
The brightness of all the pixels in an image
Use positive exposure compensation (overexposure). A reflected meter reading will attempt to make the scene 18% gray - employ overexposure to adjust.
41. What is the best color profile for web images?
1/250th
sRGB
sensor
Dynamic range
42. Why does a short lens create wide-angle distortion?
The diaphragm - the mechanism that controls aperture.
hue/saturation adjustment 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.
Because you can move in close to the subject
43. Stopping a lens down from f/8 to f/16 represents a X stop difference.
90 degrees. If using to eliminate reflections - it should be used at 35 degrees.
Two (f/8 > f/11 > f/16)
Aperture - focal length - and distance to the subject
The impression human vision gives
44. When mixed in varying proportion - the subtractive primary colors produce what?
All colors
Magenta
The number of pixels per unit of length in a image
A raster image
45. What is a flag?
Reflected light meter
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
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.
Black (0)
46. When the size of the aperture is decreased - it is said to be what?
stopped down
Zoom lens
Direct sun at 11 -000 Kelvin
Snoot
47. What two controls adjust the amount of light that reaches the sensor?
Aperture and shutter
Metadata
5000K
Click with the neutral-point dropper on the selected color
48. A lens set at f/4 admits how much more/less light than one set at f/2.8?
Half as much light
The brightness of the light that reaches the sensor
Additive (R - G - B)
High Dynamic Range
49. 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?
5000K
Aperture
On a scanner; it guesses what the pixels look like in between the ones the scanner can actually measure.
Sensor size - the larger the sensor size - the longer the focal length of a normal lens. (Corresponds to a diagonal line across the frame)
50. What determines what will be a 'normal' focal length lens on a particular camera?
Blue
Sensor size - the larger the sensor size - the longer the focal length of a normal lens. (Corresponds to a diagonal line across the frame)
Variations command
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.