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. This type of file format compresses images by discarding pixels; therefore - each time an images is compressed - it loses pixels.
Broad lighting
Levels adjustment
Depth of field
JPEG

2. What are the effects of top lighting?
Dynamic range
It increases
Creates deep shadows in eye pockets - under nose - and chin.
The pixels per inch a scanner is capable of capturing often described as two numbers (i.e. 1200x2400)

3. Printers use how many bits per channel of information when printing?
256
Contrast
lengthen (or slow) the shutter speed
8 bits

4. A tonal correction cannot be accomplished by using a...
Very wide at about 180 degrees
hue/saturation adjustment layer
The diagonal measurement of the sensor.
Small light source at an angle to the subject

5. 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.
Fisheye
To strike the side of the face away from the camera.
JPEG

6. What do TTL systems react to?
Lasso tool
The amount of light reflected back from the subject during exposure.
The brightness of the light that reaches 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

7. Name two ways you can increase depth of field (other than changing aperture).
The distance between the lens rear nodal point and the focal plane when the lens is focused at infinity.
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.
Shutter-priority

8. This kind of meter is preferred by photographers working in a studio situation where lighting conditions can be altered.
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.
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.
Incident light meter
256

9. What is dodging?
RAID system
lens-to-subject distance
Selectively blocking light during print exposure to lighten the area
Follow focus

10. An 8x10 at 240 dpi will have a resolution of what?
Depth of field
1920 pixels by 2400 pixels (4.6 million pixels)
To send accurate color requirements to a printer.
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.

11. When the subtractive primaries are added together equally - what is created?
Contrast
sensor
Black. Subtractive primaries are Magenta - Yellow - Cyan
Half as much light

12. Aperture controls what?
The brightness of the light that reaches the sensor
Metadata
The impression human vision gives
stopped down

13. What kind of lighting pattern places the key light directly in front of and higher than the face?
Inkjet black & white printing where color cartridges are replaced with shades of gray - resulting in smooth tones and slight color cast
1 or 2
lens-to-subject distance
Butterfly lighting

14. Bit depth refers to what?
Add red
The impression human vision gives
The amount of information contained in each pixel
Lower

15. The amount of motion blur in an image will increase if you do what?
The sensor that converts the image from analog to digital (1's and 0's) CCD=charge coupled device; CMOS=complementary metal-oxide semiconductor
Aperture-Priority
Sensor size - the larger the sensor size - the longer the focal length of a normal lens. (Corresponds to a diagonal line across the frame)
lengthen (or slow) the shutter speed

16. Tungsten is approximately what color temperature?
1) Use a longer lens; 2) Move closer to the subject
Subtractive primaries (plus black)
Because you can move in close to the subject
3200 Kelvin

17. A 1:1 lighting ratio produces what lighting result?
A RAW file that has been altered
Close-ups that are life-size or larger. Images through microscopes are "photomicrographs."
lens-to-subject distance
Flat lighting

18. Generally - traditional portraits use what lighting ratio?
Aperture
3:1 or 4:1
Magenta
Aperture-Priority

19. Most lenses are sharpest closed down to how many stops from the widest?
Total number of pixels
Convex
Use positive exposure compensation (overexposure). A reflected meter reading will attempt to make the scene 18% gray - employ overexposure to adjust.
1 or 2

20. What color is opposite Red on the color wheel?
Butterfly lighting
International Organization for Standardization
Levels adjustment
Cyan

21. What is the general rule of thumb for the measurement of a 'normal' lens?
Short lighting
Use and adjustment layer
The diagonal measurement of the sensor.
Hue - Luminance - Saturation

22. A technique used to maintain sharp focus on a subject that is moving toward you is called what?
Follow focus
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.
emphasizes textures
One stop

23. This kind of lens has a variable focal length.
Bit
Close-ups that are life-size or larger. Images through microscopes are "photomicrographs."
Zoom lens
Glossy paper

24. What kind of lighting pattern is best for average oval faces and round faces you want to slim?
8 bits
Levels adjustment
Short lighting.
Black (0)

25. What is the name of the issue that prevents you from seeing exactly what the lens sees when using a rangefinder camera?
Parallax
More of the background and foreground are sharp.
Direct sun at 11 -000 Kelvin
lens-to-subject distance

26. What does ISO stand for?
Shutter-Priority
Zoom lens
International Organization for Standardization
Cyan

27. What kind of lighting pattern is useful to widen a subject?
Yellow
Broad lighting
Half as much light
Black (0)

28. If you must move to reduce the amount of flash reaching your subject - how far do you move?
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.
Reflected light meter
Lower
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)

29. What is focal length - technically?
Selectively increasing print exposure - which will make select parts of the image darker
1 or 2
Snoot
The distance between the lens rear nodal point and the focal plane when the lens is focused at infinity.

30. What image adjustment tool uses a histogram display to alter an image?
Infinity
Levels adjustment
The difference between light and dark.
dynamic range (not to be confused with gamut)

31. Most modern lenses are based on this kind of lens.
1) Magnification - or the size of the subject; 2) Angle of view
The number of pixels per unit of length in a image
Convex
It increases

32. In a digital image - the images file sizes corresponds to the total number of what in the image?
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.
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.
Half as much light
Total number of pixels

33. How much resolution do you need for: Internet? Newspaper? Photographic print? Glossy magazine?
Infinity
Internet = 72 dpi; Newspaper = 150 dpi; Photographic print = 240-300 dpi; Gloss magazine = 400 dpi
Front lighting
a sensor (or film's) sensitivity to light

34. All objects beyond the closest distance in focus will be sharp when this appears within the DOF scale.
Infinity
Short lighting
Blue
Fair Use

35. A tall vertical line on the right hand edge of a histogram indicates what?
90 degrees. If using to eliminate reflections - it should be used at 35 degrees.
Blown highlights
Reciprocal relationship
Fair Use

36. Resolution refers to what?
Blue
Blown highlights
The number of pixels per unit of length in a image
Aperture - focal length - and distance to the subject

37. 8 bits per pixel gives you how many colors?
256
Add magenta
Selecting portions of the image based on color
Add red

38. What is a color profile?
The distance between the lens rear nodal point and the focal plane when the lens is focused at infinity.
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.
Use positive exposure compensation (overexposure). A reflected meter reading will attempt to make the scene 18% gray - employ overexposure to adjust.
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).

39. The image transmitted by the lens is recorded by the what?
Variations command
Add red
sensor
Blown highlights

40. 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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41. 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
lengthen (or slow) the shutter speed
1920 pixels by 2400 pixels (4.6 million pixels)
Keeps a moving subject sharp while blurring the background

42. A histogram with peaks on either end of the histogram and a deep valley in between represents what?
8 bits
Contrast
The difference between light and dark.
A high contrast image

43. Photoshop's command for a simple way to start using color balance is what?
Close-ups that are life-size or larger. Images through microscopes are "photomicrographs."
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.
Variations command
Blue & Green

44. In short lighting - where is the main light placed?
Add blue
To strike the side of the face away from the camera.
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.
High Dynamic Range

45. A color image with smooth gradiations requires at least what bit depth?
All colors
Aperture-Priority
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).
24 bits per pixel (8 per color) - which gives 16 -777 -216 colors

46. If an image is too green - what color adjustment should be made in Photoshop to correct it?
Add magenta
Aperture-Priority
Contrast
1920 pixels by 2400 pixels (4.6 million pixels)

47. Name 2 ways you can decrease depth of field.
1) Use a longer lens; 2) Move closer to the subject
To send accurate color requirements to a printer.
Lower
It increases

48. What color is between Magenta and Cyan on the color wheel?
Internet = 72 dpi; Newspaper = 150 dpi; Photographic print = 240-300 dpi; Gloss magazine = 400 dpi
Blue
1920 pixels by 2400 pixels (4.6 million pixels)
The brightness of the light that reaches the sensor

49. 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?
Use negative exposure compensation (underexpose). The meter will attempt to make the dark scene 18% grey - underexpose to bring it back to dark.
sRGB
Two (f/8 > f/11 > f/16)
Broad lighting

50. Name 3 ways to make a tonal adjustment in Photoshop.
Curves adjustment; Levels adjustment; Brighteness/Contrast adjustment
Because you can move in close to the subject
Use positive exposure compensation (overexposure). A reflected meter reading will attempt to make the scene 18% gray - employ overexposure to adjust.
Metadata fields that hold info on photographer - subject - and use.