Test your basic knowledge |

Certified Professional Photographer

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. Contrast measures what in a print?
Close-ups that are life-size or larger. Images through microscopes are "photomicrographs."
The difference between light and dark.
Two (f/8 > f/11 > f/16)
Reflected light meter

2. Printers use what set of colors?
Subtractive primaries (plus black)
The pixels per inch a scanner is capable of capturing often described as two numbers (i.e. 1200x2400)
Use positive exposure compensation (overexposure). A reflected meter reading will attempt to make the scene 18% gray - employ overexposure to adjust.
RAID system

3. What is the CCD or CMOS sensor?

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4. What is a BYTE?
Variations command
Lower
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.

5. What kind of film can help reduce haze in a landscape?
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.
(X times Y = exposure) Intensity (aperture) x Time (shutter)
A change in illumination
Infrared

6. Going clockwise around the color wheel - starting with RED - what is the progression of colors?
Close-ups that are life-size or larger. Images through microscopes are "photomicrographs."
24 bits per pixel (8 per color) - which gives 16 -777 -216 colors
Red - Yellow - Green - Cyan - Blue - Magenta
Depth of field

7. Most lenses are sharpest closed down to how many stops from the widest?
1 or 2
5000K
Internet = 72 dpi; Newspaper = 150 dpi; Photographic print = 240-300 dpi; Gloss magazine = 400 dpi
Yellow

8. A ring of thin - overlapping leaves located inside the lens is called what?
Through the Lens. A camera that can automatically control flash exposure using sensors inside the camera.
Add magenta
Lasso tool
The diaphragm - the mechanism that controls aperture.

9. A general purpose lens will provide an f-stop range of up to how many?
Dynamic range
Creates deep shadows in eye pockets - under nose - and chin.
8 stops
White (255)

10. What is a thyristor?
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.
Cyan
ISO
Direct sun at 11 -000 Kelvin

11. This viewing option gives you the most accurate version of your image in Photoshop.
ISO
A raster image
sRGB
Actual Pixel view

12. Using this kind of automatic exposure setting on the camera - you set the aperture and the camera sets the shutter speed.
Aperture-Priority
The brightness of all the pixels in an image
Direct sun at 11 -000 Kelvin
The diaphragm - the mechanism that controls aperture.

13. What is the suggested shutter speed to stop action of a child running parallel to the film plan - about 25 feet from the camera?
Contrast
1/250th
ISO
Add green

14. Why does a short lens create wide-angle distortion?
Magenta
Because you can move in close to the subject
Yellow
The entire range of colors that can be seen - reproduced - or captured. Our eyes have a greater gamut than a print or monitor.

15. What determines what will be a 'normal' focal length lens on a particular camera?
Sensor size - the larger the sensor size - the longer the focal length of a normal lens. (Corresponds to a diagonal line across the frame)
Fisheye
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

16. As the aperture is stopped down - what happens to sharpness?
Metadata
Similar to a normal lens at about 30 degrees
More of the background and foreground are sharp.
1) Magnification - or the size of the subject; 2) Angle of view

17. Generally - traditional portraits use what lighting ratio?
8 bits
3:1 or 4:1
A change in illumination
A raster image

18. What is dodging?
Selectively blocking light during print exposure to lighten the area
On a scanner; it guesses what the pixels look like in between the ones the scanner can actually measure.
Metadata fields that hold info on photographer - subject - and use.
four times more

19. The quantity of light that reaches your sensor is controlled by what?
1) Use a shorter focal length; 2) Move farther away from the subject
Butterfly lighting
Shutter speed & aperture
emphasizes textures

20. Stopping a lens down from f/8 to f/16 represents a X stop difference.
hue/saturation adjustment layer
aperture diameter
Two (f/8 > f/11 > f/16)
dynamic range (not to be confused with gamut)

21. To emphasize texture in a portrait - what kind of light source is recommended?
Infinity
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.
Creates deep shadows in eye pockets - under nose - and chin.
Small light source at an angle to the subject

22. 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
flat - low contrast light
5 -000 Kelvin
24 bits per pixel (8 per color) - which gives 16 -777 -216 colors

23. Printers use how many bits per channel of information when printing?
The diagonal measurement of the sensor.
White (additive primaries are Red - Green Blue)
White (255)
8 bits

24. A 1:1 lighting ratio produces what lighting result?
Flat lighting
Direct sun at 11 -000 Kelvin
To strike the side of the face away from the camera.
Blue

25. What kind of lighting pattern is best for average oval faces and round faces you want to slim?
Lower
One stop less
Short lighting.
Along the lines of an imaginary grid at intersecting points that divide the image into thirds horizontally and vertically

26. What is TTL?
Because you can move in close to the subject
Through the Lens. A camera that can automatically control flash exposure using sensors inside the camera.
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.
Front lighting

27. 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?
1) Magnification - or the size of the subject; 2) Angle of view
Use negative exposure compensation (underexpose). The meter will attempt to make the dark scene 18% grey - underexpose to bring it back to dark.
A high contrast image
Creates deep shadows in eye pockets - under nose - and chin.

28. A filter with a factor of 2 requires how many stops of compensation?

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29. Most modern lenses are based on this kind of lens.
Convex
Selecting portions of the image based on color
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
Bit

30. Name two ways you can increase depth of field (other than changing aperture).
Variations command
1) Use a shorter focal length; 2) Move farther away from the subject
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.
The difference between light and dark.

31. This kind of meter is preferred by photographers working in a studio situation where lighting conditions can be altered.
Front lighting
Incident light meter
emphasizes textures
It increases

32. A histogram with peaks on either end of the histogram and a deep valley in between represents what?
A high contrast image
5 -000 Kelvin
Total number of pixels
Broad lighting

33. A lens set at f/4 admits how much more/less light than one set at f/2.8?
four times more
A new layer
Absorbs equal quantities of all wavelengths of light. It allows you to use wider apertures or slower shutter speeds without changing color balance.
Half as much light

34. What image adjustment tool uses a histogram display to alter an image?
The sensor's sensitivity to light
RAID system
A new layer
Levels adjustment

35. This type of file format compresses images by discarding pixels; therefore - each time an images is compressed - it loses pixels.
JPEG
Subtractive primaries (plus black)
Sensor size - the larger the sensor size - the longer the focal length of a normal lens. (Corresponds to a diagonal line across the frame)
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.

36. What angle of view does an incident meter read?
dynamic range (not to be confused with gamut)
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.
Total number of pixels
Very wide at about 180 degrees

37. Digital cameras use what set of primary colors?
Curves adjustment; Levels adjustment; Brighteness/Contrast adjustment
Close-ups that are life-size or larger. Images through microscopes are "photomicrographs."
Additive (R - G - B)
8 stops

38. Tungsten is approximately what color temperature?
3200 Kelvin
Dynamic range
emphasizes textures
Use and adjustment layer

39. If an image is too magenta - what color adjustment should be made in Photoshop to correct it?
Total number of pixels
Add green
Butterfly lighting
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.

40. A color image with smooth gradiations requires at least what bit depth?
Metadata
Direct sun at 11 -000 Kelvin
Lasso tool
24 bits per pixel (8 per color) - which gives 16 -777 -216 colors

41. What light source has the highest color temperature?
Aperture-Priority
lens-to-subject distance
More of the background and foreground are sharp.
Direct sun at 11 -000 Kelvin

42. What is a color profile?
Add green
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).
Close-ups that are life-size or larger. Images through microscopes are "photomicrographs."
Aperture-Priority

43. How does 'unsharp mask' work?
Subtractive primaries (plus black)
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.
Add magenta
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.

44. What is a derivative file?
Blue & Green
A RAW file that has been altered
flat - low contrast light
Small light source at an angle to the subject

45. An 8x10 at 240 dpi will have a resolution of what?
Shutter-Priority
1920 pixels by 2400 pixels (4.6 million pixels)
Levels adjustment
Parallax

46. What does a neutral density filter do?
Absorbs equal quantities of all wavelengths of light. It allows you to use wider apertures or slower shutter speeds without changing color balance.
Add magenta
stopped down
emphasizes textures

47. According to the rule of thirds - where should the important parts of an image fall?
Levels adjustment
5 -000 Kelvin
stopped down
Along the lines of an imaginary grid at intersecting points that divide the image into thirds horizontally and vertically

48. A magic wand tool is used for what?
Shutter-priority
lens-to-subject distance
Yellow
Selecting portions of the image based on color

49. All objects beyond the closest distance in focus will be sharp when this appears within the DOF scale.
Infinity
Fair Use
Direct sun at 11 -000 Kelvin
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

50. Focal length controls what?
A mirror and pentaprism
1) Magnification - or the size of the subject; 2) Angle of view
Add red
Depth of field