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. What do TTL systems react to?
5000K
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.
Incident light meter
The amount of light reflected back from the subject during exposure.

2. How can you change the brightness of the background when using flash?
Shutter-priority
White (255)
Click with the neutral-point dropper on the selected color
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.

3. The relative aperture is equal to the lens focal length divided by what?
aperture diameter
Subtractive primaries (plus black)
No
Click with the neutral-point dropper on the selected color

4. The image transmitted by the lens is recorded by the what?
sensor
Reflected light meter
The diagonal measurement of the sensor.
1 or 2

5. A lens set at f/4 admits how much more/less light than one set at f/2.8?
White (255)
bend toward each other and converge at the focal point.
Half as much light
lengthen (or slow) the shutter speed

6. An image made of pixels is sometimes called what?
Flattens out the volume of the subject and minimizes textures
Convex
5 -000 Kelvin
A raster image

7. If an image is too yellow - what color adjustment should be made in Photoshop to correct it?
1920 pixels by 2400 pixels (4.6 million pixels)
Add blue
It increases
1) Use a shorter focal length; 2) Move farther away from the subject

8. Color systems divide all colors into which three measurements?
Hue - Luminance - Saturation
1) Use a shorter focal length; 2) Move farther away from the subject
A new layer
9

9. To emphasize texture in a portrait - what kind of light source is recommended?
Shutter speed & aperture
256
Along the lines of an imaginary grid at intersecting points that divide the image into thirds horizontally and vertically
Small light source at an angle to the subject

10. Printers use how many bits per channel of information when printing?
More of the background and foreground are sharp.
Add magenta
Infrared
8 bits

11. What is a flag?
Curves adjustment; Levels adjustment; Brighteness/Contrast adjustment
1) Magnification - or the size of the subject; 2) Angle of view
Use positive exposure compensation (overexposure). A reflected meter reading will attempt to make the scene 18% gray - employ overexposure to adjust.
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

12. A 1:1 lighting ratio produces what lighting result?
Bit
Flat lighting
A raster image
Close-ups that are life-size or larger. Images through microscopes are "photomicrographs."

13. Most modern lenses are based on this kind of lens.
Subtractive primaries (plus black)
Convex
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.
The sensor that converts the image from analog to digital (1's and 0's) CCD=charge coupled device; CMOS=complementary metal-oxide semiconductor

14. What kind of lighting pattern is useful to widen a subject?
Broad lighting
Curves adjustment; Levels adjustment; Brighteness/Contrast adjustment
More of the background and foreground are sharp.
Parallax

15. Generally - how much exposure compensation (in stops) should be used when using a polarizing filter?
Selectively increasing print exposure - which will make select parts of the image darker
Reciprocal relationship
1 1/3 stops
Use and adjustment layer

16. 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?
The entire range of colors that can be seen - reproduced - or captured. Our eyes have a greater gamut than a print or monitor.
four times more
Hue - Luminance - Saturation
Direct sun at 11 -000 Kelvin

17. What kind of film can help reduce haze in a landscape?
White (255)
Infrared
The sensor that converts the image from analog to digital (1's and 0's) CCD=charge coupled device; CMOS=complementary metal-oxide semiconductor
Yellow

18. What color is opposite Red on the color wheel?
Memory card / flash card / compact flash card
A raster image
Cyan
Add yellow

19. A histogram with peaks on either end of the histogram and a deep valley in between represents what?
Fair Use
Flat lighting
A high contrast image
Flattens out the volume of the subject and minimizes textures

20. This kind of meter is preferred by photographers working in a studio situation where lighting conditions can be altered.
90 degrees. If using to eliminate reflections - it should be used at 35 degrees.
Incident light meter
Levels adjustment
Add green

21. What two controls adjust the amount of light that reaches the sensor?
One stop
ISO
Aperture and shutter
Metadata fields that hold info on photographer - subject - and use.

22. Panning does what?
White (additive primaries are Red - Green Blue)
Keeps a moving subject sharp while blurring the background
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.
The sensor that converts the image from analog to digital (1's and 0's) CCD=charge coupled device; CMOS=complementary metal-oxide semiconductor

23. This technique allows you to keep a subject that is moving toward you well focused.
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.
a sensor (or film's) sensitivity to light
Follow focus
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.

24. Instead of permanently altering your image when adjusting for color and value - what should you do?
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
Metadata fields that hold info on photographer - subject - and use.
Use and adjustment layer
Use positive exposure compensation (overexposure). A reflected meter reading will attempt to make the scene 18% gray - employ overexposure to adjust.

25. What angle of view does a spot meter read?
A high contrast image
Total number of pixels
Black. Subtractive primaries are Magenta - Yellow - Cyan
Maybe as little as 0.5 degrees or 1 degree

26. What kind of lighting pattern is best for average oval faces and round faces you want to slim?
Add magenta
Short lighting.
1 1/3 stops
Zoom lens

27. If an image is too cyan - what color adjustment should be made in Photoshop to correct it?
Cyan
Add red
The diaphragm - the mechanism that controls aperture.
1 or 2

28. In a digital image - the images file sizes corresponds to the total number of what in the image?
Total number of pixels
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.
Black (0)
Depth of field

29. 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?
Use positive exposure compensation (overexposure). A reflected meter reading will attempt to make the scene 18% gray - employ overexposure to adjust.
sensor
Internet = 72 dpi; Newspaper = 150 dpi; Photographic print = 240-300 dpi; Gloss magazine = 400 dpi
5000K

30. What does "photomacrograph" or "macrophotograph" mean?
White (255)
Close-ups that are life-size or larger. Images through microscopes are "photomicrographs."
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.
The brightness of the light that reaches the sensor

31. What determines what will be a 'normal' focal length lens on a particular camera?
hue/saturation adjustment layer
Sensor size - the larger the sensor size - the longer the focal length of a normal lens. (Corresponds to a diagonal line across the frame)
Reciprocal relationship
aperture diameter

32. What is the optical resolution on a scanner defined as?
Add cyan
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.
The pixels per inch a scanner is capable of capturing often described as two numbers (i.e. 1200x2400)
Broad lighting

33. If you're working with an automatic camera and you set the aperture and the camera sets the shutter speed - what mode are you working in?
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)
Aperture-priority
1) Use a shorter focal length; 2) Move farther away from the subject
A raster image

34. The amount of motion blur in an image will increase if you do what?
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.
Red - Yellow - Green - Cyan - Blue - Magenta
lengthen (or slow) the shutter speed
Zoom lens

35. What is a Bit?
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.
Convex
Fair Use
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.

36. A color image with smooth gradiations requires at least what bit depth?
Incident light meter
24 bits per pixel (8 per color) - which gives 16 -777 -216 colors
Flat lighting
1) Magnification - or the size of the subject; 2) Angle of view

37. What is the CCD or CMOS sensor?

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38. What is a derivative file?
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.
A RAW file that has been altered
The diagonal measurement of the sensor.
The pixels per inch a scanner is capable of capturing often described as two numbers (i.e. 1200x2400)

39. What is TTL?
Yellow
Additive (R - G - B)
Glossy paper
Through the Lens. A camera that can automatically control flash exposure using sensors inside the camera.

40. What Photoshop tool allows you to select an area of any size or shape by drawing freehand?
Flattens out the volume of the subject and minimizes textures
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.
Lasso tool
A change in illumination

41. This viewing option gives you the most accurate version of your image in Photoshop.
Contrast
Actual Pixel view
Bit
Similar to a normal lens at about 30 degrees

42. 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?
Use and adjustment layer
Use positive exposure compensation (overexposure). A reflected meter reading will attempt to make the scene 18% gray - employ overexposure to adjust.
Memory card / flash card / compact flash card
Magenta

43. What kind of light will be produced when using a large white umbrella close to a subject?
9
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)
flat - low contrast light
A change in illumination

44. When the additive primaries are mixed together equally - what is created?
More of the background and foreground are sharp.
White (additive primaries are Red - Green Blue)
The impression human vision gives
3:1 or 4:1

45. when adjusting an image with levels - if you want to make any color neutral quickly - what would you do?
Yellow
Click with the neutral-point dropper on the selected color
Add blue
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.

46. A general purpose lens will provide an f-stop range of up to how many?
Contrast
8 stops
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).
5000K

47. What is a BYTE?
sensor
Click with the neutral-point dropper on the selected color
A raster image
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.

48. What light source has the highest color temperature?
1) Use a shorter focal length; 2) Move farther away from the subject
Direct sun at 11 -000 Kelvin
stopped down
Selectively increasing print exposure - which will make select parts of the image darker

49. Cyan is composed of equal parts of what two colors?
Metadata
RAID system
The impression human vision gives
Blue & Green

50. A tonal correction cannot be accomplished by using a...
hue/saturation adjustment layer
Flat lighting
Fair Use
stopped down