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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 the bars on the left of a histogram represent?
Red - Yellow - Green - Cyan - Blue - Magenta
Additive (R - G - B)
The pixels per inch a scanner is capable of capturing often described as two numbers (i.e. 1200x2400)
Black (0)
2. A general purpose lens will provide an f-stop range of up to how many?
Fisheye
24 bits per pixel (8 per color) - which gives 16 -777 -216 colors
8 stops
All colors
3. What are the three main factors that affect depth of field?
A high contrast image
Yellow
Aperture - focal length - and distance to the subject
Metamerism
4. A tall vertical line on the right hand edge of a histogram indicates what?
8 bits
Blown highlights
Selectively blocking light during print exposure to lighten the area
Close-ups that are life-size or larger. Images through microscopes are "photomicrographs."
5. Stopping a lens down from f/8 to f/16 represents a X stop difference.
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.
ISO
Two (f/8 > f/11 > f/16)
Small light source at an angle to the subject
6. 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.
Metamerism
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
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)
7. What is the term used to describe data contained in a digital image?
lengthen (or slow) the shutter speed
Metadata
factor of 2 = 1 stop compensation. (Each time a factor doubles - it's one additional stop)
White (255)
8. What would you use an ICC profile for?
1 or 2
To send accurate color requirements to a printer.
A change in illumination
No
9. A lens set at f/4 admits how much more/less light than one set at f/2.8?
Half as much light
Subtractive primaries (plus black)
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.
Along the lines of an imaginary grid at intersecting points that divide the image into thirds horizontally and vertically
10. What is gamut?
sRGB
The entire range of colors that can be seen - reproduced - or captured. Our eyes have a greater gamut than a print or monitor.
Infinity
All colors
11. What do the bars on the right of a histogram represent?
Curves adjustment; Levels adjustment; Brighteness/Contrast adjustment
White (255)
Blown highlights
Black. Subtractive primaries are Magenta - Yellow - Cyan
12. The rule of thirds necessitates that the composition be divided into a grid of now many equal rectangles or squares?
Broad lighting
Black. Subtractive primaries are Magenta - Yellow - Cyan
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.
13. Daylight is approximately what color temperature?
The difference between light and dark.
5 -000 Kelvin
Soft proofing
Metamerism
14. All objects beyond the closest distance in focus will be sharp when this appears within the DOF scale.
Infinity
Aperture and shutter
Small light source at an angle to the subject
Sensor size - the larger the sensor size - the longer the focal length of a normal lens. (Corresponds to a diagonal line across the frame)
15. To produce optimal sharpness - detail - and resolution - is a higher or lower ISO setting better?
Lower
Black (0)
Selecting portions of the image based on color
Hue - Luminance - Saturation
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?
Blue
The diagonal measurement of the sensor.
The impression human vision gives
Use positive exposure compensation (overexposure). A reflected meter reading will attempt to make the scene 18% gray - employ overexposure to adjust.
17. When the size of the aperture is decreased - it is said to be what?
24 bits per pixel (8 per color) - which gives 16 -777 -216 colors
Subtractive primaries (plus black)
Variations command
stopped down
18. In a digital image - the images file sizes corresponds to the total number of what in the image?
Internet = 72 dpi; Newspaper = 150 dpi; Photographic print = 240-300 dpi; Gloss magazine = 400 dpi
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.
Infinity
19. 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?
Yellow
Shutter-Priority
Hue - Luminance - Saturation
Subtractive primaries (plus black)
20. As the aperture is stopped down - what happens to sharpness?
More of the background and foreground are sharp.
1) Use a shorter focal length; 2) Move farther away from the subject
Butterfly lighting
Yellow
21. What two controls adjust the amount of light that reaches the sensor?
A raster image
1) Use a shorter focal length; 2) Move farther away from the subject
flat - low contrast light
Aperture and shutter
22. The quantity of light that reaches your sensor is controlled by what?
Zoom lens
Fair Use
The impression human vision gives
Shutter speed & aperture
23. Sharpness from near to far is controlled by what?
Blue
1 1/3 stops
Shutter-Priority
Aperture
24. An image made of pixels is sometimes called what?
Hue - Luminance - Saturation
Add magenta
A raster image
Add blue
25. The greatest tonal range from black to white is achievable on what kind of paper?
Half as much light
Front lighting
Glossy paper
Variations command
26. What is the effect of front lighting?
Yellow
Flattens out the volume of the subject and minimizes textures
8 stops
More of the background and foreground are sharp.
27. What image adjustment tool uses a histogram display to alter an image?
8 bits
Aperture-Priority
Levels adjustment
Snoot
28. What is TTL?
All colors
A new layer
Aperture and shutter
Through the Lens. A camera that can automatically control flash exposure using sensors inside the camera.
29. A lens with a very wide angle of view and produces barrel distortion is what kind of lens?
Shutter-Priority
International Organization for Standardization
Fisheye
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
30. What kind of lighting pattern is best for average oval faces and round faces you want to slim?
The difference between light and dark.
Follow focus
Short lighting.
Curves adjustment; Levels adjustment; Brighteness/Contrast adjustment
31. What does "photomacrograph" or "macrophotograph" mean?
Flattens out the volume of the subject and minimizes textures
Shutter-Priority
Cyan
Close-ups that are life-size or larger. Images through microscopes are "photomicrographs."
32. A color image with smooth gradiations requires at least what bit depth?
Along the lines of an imaginary grid at intersecting points that divide the image into thirds horizontally and vertically
9
Keeps a moving subject sharp while blurring the background
24 bits per pixel (8 per color) - which gives 16 -777 -216 colors
33. What does side lighting emphasize?
Soft proofing
Because you can move in close to the subject
Use negative exposure compensation (underexpose). The meter will attempt to make the dark scene 18% grey - underexpose to bring it back to dark.
emphasizes textures
34. What are IPTC fields used for?
Metadata fields that hold info on photographer - subject - and use.
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.
To send accurate color requirements to a printer.
Follow focus
35. What is the usable exposure range - or range of subject brightness called?
A RAW file that has been altered
Selectively blocking light during print exposure to lighten the area
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.
Dynamic range
36. Most modern lenses are based on this kind of lens.
1/250th
Infinity
Convex
Levels adjustment
37. when adjusting an image with levels - if you want to make any color neutral quickly - what would you do?
White (255)
Click with the neutral-point dropper on the selected color
Red - Yellow - Green - Cyan - Blue - Magenta
RAID system
38. If an image is too green - what color adjustment should be made in Photoshop to correct it?
Add magenta
Aperture
In the middle
The diagonal measurement of the sensor.
39. What kind of lighting pattern is useful to widen a subject?
Selectively increasing print exposure - which will make select parts of the image darker
Broad lighting
The sensor that converts the image from analog to digital (1's and 0's) CCD=charge coupled device; CMOS=complementary metal-oxide semiconductor
Add yellow
40. What is a thyristor?
90 degrees. If using to eliminate reflections - it should be used at 35 degrees.
factor of 2 = 1 stop compensation. (Each time a factor doubles - it's one additional stop)
Snoot
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.
41. What kind of film can help reduce haze in a landscape?
Infrared
3:1 or 4:1
Infinity
A change in illumination
42. In short lighting - where is the main light placed?
To strike the side of the face away from the camera.
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.
Small light source at an angle to the subject
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.
43. Cyan is composed of equal parts of what two colors?
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.
Blue & Green
Very wide at about 180 degrees
Depth of field
44. What angle of view does an incident meter read?
The diagonal measurement of the sensor.
Absorbs equal quantities of all wavelengths of light. It allows you to use wider apertures or slower shutter speeds without changing color balance.
A RAW file that has been altered
Very wide at about 180 degrees
45. A tonal correction cannot be accomplished by using a...
The sensor's sensitivity to light
The sensor that converts the image from analog to digital (1's and 0's) CCD=charge coupled device; CMOS=complementary metal-oxide semiconductor
hue/saturation adjustment layer
Use negative exposure compensation (underexpose). The meter will attempt to make the dark scene 18% grey - underexpose to bring it back to dark.
46. This type of file format compresses images by discarding pixels; therefore - each time an images is compressed - it loses pixels.
Selectively increasing print exposure - which will make select parts of the image darker
Add red
JPEG
90 degrees. If using to eliminate reflections - it should be used at 35 degrees.
47. The term to describe the combination of aperture and shutter speed that can be changed by moving them in opposite directions.
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) Magnification - or the size of the subject; 2) Angle of view
Yellow
Reciprocal relationship
48. Bit depth refers to what?
The amount of information contained in each pixel
The amount of light reflected back from the subject during exposure.
Aperture-Priority
factor of 2 = 1 stop compensation. (Each time a factor doubles - it's one additional stop)
49. When buying a lens hood - you should get it in what size relative to the lens?
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50. What is a color profile?
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).
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)
emphasizes textures
Contrast