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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?
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.
Infinity
3200 Kelvin
RAID system
2. The area of acceptable sharpness in an image is called what?
8 stops
a sensor (or film's) sensitivity to light
Flat lighting
Depth of field
3. Most lenses are sharpest closed down to how many stops from the widest?
1 or 2
Sensor size - the larger the sensor size - the longer the focal length of a normal lens. (Corresponds to a diagonal line across the frame)
Yellow
One stop less
4. What is the inverse square law?
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.
Flattens out the volume of the subject and minimizes textures
5000K
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.
5. A histogram shows what in an image?
256
Through the Lens. A camera that can automatically control flash exposure using sensors inside the camera.
Creates deep shadows in eye pockets - under nose - and chin.
The brightness of all the pixels in an image
6. This technique allows you to keep a subject that is moving toward you well focused.
The number of pixels per unit of length in a image
Follow focus
Maybe as little as 0.5 degrees or 1 degree
Bit
7. Daylight is approximately what color temperature?
Maybe as little as 0.5 degrees or 1 degree
5 -000 Kelvin
White (additive primaries are Red - Green Blue)
Add yellow
8. When mixed in varying proportion - the subtractive primary colors produce what?
In the middle
All colors
Short lighting.
Two (f/8 > f/11 > f/16)
9. The term "ISO speed" is used to describe what?
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10. What is the term used to describe data contained in a digital image?
1) Use a longer lens; 2) Move closer to the subject
One stop less
Metadata
1) Magnification - or the size of the subject; 2) Angle of view
11. 8 bits per pixel gives you how many colors?
9
Along the lines of an imaginary grid at intersecting points that divide the image into thirds horizontally and vertically
factor of 2 = 1 stop compensation. (Each time a factor doubles - it's one additional stop)
256
12. What is burning?
Fair Use
White (additive primaries are Red - Green Blue)
Absorbs equal quantities of all wavelengths of light. It allows you to use wider apertures or slower shutter speeds without changing color balance.
Selectively increasing print exposure - which will make select parts of the image darker
13. What kind of light will be produced when using a large white umbrella close to a subject?
To strike the side of the face away from the camera.
The sensor's sensitivity to light
flat - low contrast light
Inkjet black & white printing where color cartridges are replaced with shades of gray - resulting in smooth tones and slight color cast
14. Whenever another image is copied or moved into a file - Photoshop automatically creates what?
Half as much light
Infrared
Selectively increasing print exposure - which will make select parts of the image darker
A new layer
15. Name 3 ways to make a tonal adjustment in Photoshop.
Curves adjustment; Levels adjustment; Brighteness/Contrast adjustment
Similar to a normal lens at about 30 degrees
Short lighting.
JPEG
16. What is a color profile?
Short lighting
5000K
A change in illumination
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).
17. The term to describe the combination of aperture and shutter speed that can be changed by moving them in opposite directions.
dynamic range (not to be confused with gamut)
Reciprocal relationship
1 or 2
Add blue
18. Doubling the aperture setting creates how many stops difference in the amount of light reaching the sensor?
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
ISO
One stop
Absorbs equal quantities of all wavelengths of light. It allows you to use wider apertures or slower shutter speeds without changing color balance.
19. What is a derivative file?
A RAW file that has been altered
lens-to-subject distance
Infrared
Blown highlights
20. What would you use an ICC profile for?
To send accurate color requirements to a printer.
3200 Kelvin
Magenta
Use negative exposure compensation (underexpose). The meter will attempt to make the dark scene 18% grey - underexpose to bring it back to dark.
21. What is dodging?
9
Close-ups that are life-size or larger. Images through microscopes are "photomicrographs."
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)
Selectively blocking light during print exposure to lighten the area
22. What kind of lighting patter is useful to narrow a face?
One stop
The entire range of colors that can be seen - reproduced - or captured. Our eyes have a greater gamut than a print or monitor.
To send accurate color requirements to a printer.
Short lighting
23. Why does a short lens create wide-angle distortion?
Subtractive primaries (plus black)
Red - Yellow - Green - Cyan - Blue - Magenta
Reciprocal relationship
Because you can move in close to the subject
24. The histogram of a properly exposed grey card will show a vertical bar where on the histogram?
Keeps a moving subject sharp while blurring the background
One stop less
In the middle
8 bits
25. Most inkjet printers intended for photographic printing include light and dark inks of all of the colors except for one. Which color ink is usually available only in one density?
Soft proofing
Add blue
Flat lighting
Yellow
26. As the aperture is stopped down - what happens to sharpness?
3200 Kelvin
More of the background and foreground are sharp.
Contrast
To strike the side of the face away from the camera.
27. A histogram with peaks on either end of the histogram and a deep valley in between represents what?
bend toward each other and converge at the focal point.
A high contrast image
Red - Yellow - Green - Cyan - Blue - Magenta
Add cyan
28. What does a neutral density filter do?
flat - low contrast light
Absorbs equal quantities of all wavelengths of light. It allows you to use wider apertures or slower shutter speeds without changing color balance.
1920 pixels by 2400 pixels (4.6 million pixels)
Variations command
29. To emphasize texture in a portrait - what kind of light source is recommended?
To strike the side of the face away from the camera.
Use positive exposure compensation (overexposure). A reflected meter reading will attempt to make the scene 18% gray - employ overexposure to adjust.
Small light source at an angle to the subject
A simple lens with two curved sides or one curved and one flat side; found in a compound lens.
30. Focal length controls what?
1) Magnification - or the size of the subject; 2) Angle of view
Aperture
A RAW file that has been altered
Follow focus
31. The image transmitted by the lens is recorded by the what?
Shutter-priority
Levels adjustment
stopped down
sensor
32. A 1:1 lighting ratio produces what lighting result?
Add green
Flat lighting
Yellow
Internet = 72 dpi; Newspaper = 150 dpi; Photographic print = 240-300 dpi; Gloss magazine = 400 dpi
33. A magic wand tool is used for what?
a sensor (or film's) sensitivity to light
flat - low contrast light
Selecting portions of the image based on color
1/250th
34. What Photoshop tool allows you to select an area of any size or shape by drawing freehand?
Shutter-Priority
Lasso tool
Because you can move in close to the subject
The number of pixels per unit of length in a image
35. What is a Bit?
A high contrast image
Very wide at about 180 degrees
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.
Add magenta
36. What is TTL?
Flattens out the volume of the subject and minimizes textures
Through the Lens. A camera that can automatically control flash exposure using sensors inside the camera.
9
The distance between the lens rear nodal point and the focal plane when the lens is focused at infinity.
37. If an image is too yellow - what color adjustment should be made in Photoshop to correct it?
Add red
Selecting portions of the image based on color
Add blue
Two (f/8 > f/11 > f/16)
38. when adjusting an image with levels - if you want to make any color neutral quickly - what would you do?
It increases
Click with the neutral-point dropper on the selected color
Glossy paper
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.
39. A tall vertical line on the right hand edge of a histogram indicates what?
More of the background and foreground are sharp.
Infrared
Blown highlights
Front lighting
40. What is the name of the technique used to make a monitor look like what you will see on your print?
Lasso tool
Soft proofing
Dynamic range
Selectively increasing print exposure - which will make select parts of the image darker
41. What kind of lighting pattern places the key light directly in front of and higher than the face?
Butterfly lighting
1) Magnification - or the size of the subject; 2) Angle of view
8 bits
Fisheye
42. Name 2 ways you can decrease depth of field.
1) Use a longer lens; 2) Move closer to the subject
1/250th
Glossy paper
The number of pixels per unit of length in a image
43. A tonal correction cannot be accomplished by using a...
Add magenta
hue/saturation adjustment layer
3200 Kelvin
To send accurate color requirements to a printer.
44. Generally - how much exposure compensation (in stops) should be used when using a polarizing filter?
No change. The EXPOSURE doesn't change or it would also change the background as well. Move the lights to adjust.
1 1/3 stops
flat - low contrast light
The diagonal measurement of the sensor.
45. If an image is too magenta - what color adjustment should be made in Photoshop to correct it?
Maybe as little as 0.5 degrees or 1 degree
bend toward each other and converge at the focal point.
Shutter-Priority
Add green
46. What is interpolated resolution?
Add green
On a scanner; it guesses what the pixels look like in between the ones the scanner can actually measure.
Total number of pixels
Direct sun at 11 -000 Kelvin
47. What does ISO stand for?
Actual Pixel view
International Organization for Standardization
One stop less
sRGB
48. Most modern lenses are based on this kind of lens.
(X times Y = exposure) Intensity (aperture) x Time (shutter)
Convex
four times more
1) Use a longer lens; 2) Move closer to the subject
49. Convex lenses cause light rays to do what?
Two (f/8 > f/11 > f/16)
bend toward each other and converge at the focal point.
9
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.
50. What is gamut?
Black. Subtractive primaries are Magenta - Yellow - Cyan
The entire range of colors that can be seen - reproduced - or captured. Our eyes have a greater gamut than a print or monitor.
Small light source at an angle to the subject
Lasso tool