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. The greatest tonal range from black to white is achievable on what kind of paper?
Glossy paper
Add blue
The difference between light and dark.
High Dynamic Range

2. If an image is too cyan - what color adjustment should be made in Photoshop to correct it?
Add red
Direct sun at 11 -000 Kelvin
four times more
Metadata fields that hold info on photographer - subject - and use.

3. What is focal length - technically?
Keeps a moving subject sharp while blurring the background
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.
No
The distance between the lens rear nodal point and the focal plane when the lens is focused at infinity.

4. What is a BYTE?
Follow focus
dynamic range (not to be confused with gamut)
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.
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.

5. This kind of meter is preferred by photographers working in a studio situation where lighting conditions can be altered.
JPEG
Memory card / flash card / compact flash card
Incident light meter
To send accurate color requirements to a printer.

6. The image transmitted by the lens is recorded by the what?
The brightness of all the pixels in an image
5 -000 Kelvin
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.
sensor

7. What does the term "stop" mean?
Selecting portions of the image based on color
Metamerism
A change in illumination
Variations command

8. Convex lenses cause light rays to do what?
Similar to a normal lens at about 30 degrees
bend toward each other and converge at the focal point.
All colors
RAID system

9. To minimize facial wrinkles - this type of lighting is best.
Contrast
Front lighting
Because you can move in close to the subject
A raster image

10. When the size of the aperture is decreased - it is said to be what?
Incident light meter
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.
Shutter speed & aperture
stopped down

11. A color image with smooth gradiations requires at least what bit depth?
Because you can move in close to the subject
The entire range of colors that can be seen - reproduced - or captured. Our eyes have a greater gamut than a print or monitor.
24 bits per pixel (8 per color) - which gives 16 -777 -216 colors
Butterfly lighting

12. What angle of view does a spot meter read?
Inkjet black & white printing where color cartridges are replaced with shades of gray - resulting in smooth tones and slight color cast
Direct sun at 11 -000 Kelvin
Reflected light meter
Maybe as little as 0.5 degrees or 1 degree

13. What color is between Magenta and Cyan on the color wheel?
Hue - Luminance - Saturation
Blue
Depth of field
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.

14. 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 positive exposure compensation (overexposure). A reflected meter reading will attempt to make the scene 18% gray - employ overexposure to adjust.
A change in illumination
The pixels per inch a scanner is capable of capturing often described as two numbers (i.e. 1200x2400)
Lower

15. How does 'unsharp mask' work?
24 bits per pixel (8 per color) - which gives 16 -777 -216 colors
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.
Use and adjustment layer
Shutter speed & aperture

16. What angle of view does an incident meter read?
Very wide at about 180 degrees
dynamic range (not to be confused with gamut)
One stop
Selecting portions of the image based on color

17. A general purpose lens will provide an f-stop range of up to how many?
Half as much light
Magenta
8 stops
hue/saturation adjustment layer

18. The area of acceptable sharpness in an image is called what?
Depth of field
Total number of pixels
Fair Use
Short lighting.

19. What do TTL systems react to?
One stop
Depth of field
The amount of light reflected back from the subject during exposure.
Metadata fields that hold info on photographer - subject - and use.

20. Maximum depth of field at a given aperture is achieved by focusing at what?
hue/saturation adjustment layer
Shutter-priority
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.
Flat lighting

21. An image made of pixels is sometimes called what?
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.
Small light source at an angle to the subject
The amount of light reflected back from the subject during exposure.
A raster image

22. 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?
Add green
Aperture-priority
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.
Reciprocal relationship

23. What is the inverse square law?
JPEG
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.
Snoot
In the middle

24. If you're working with an automatic camera and you set the shutter speed and the camera sets the aperture - what mode are you working in?
A mirror and pentaprism
Shutter-priority
Add green
Fair Use

25. This technique allows you to keep a subject that is moving toward you well focused.
Actual Pixel view
Follow focus
Metamerism
emphasizes textures

26. What is TTL?
Aperture-priority
24 bits per pixel (8 per color) - which gives 16 -777 -216 colors
Through the Lens. A camera that can automatically control flash exposure using sensors inside the camera.
A mirror and pentaprism

27. If an image is too green - what color adjustment should be made in Photoshop to correct it?
RAID system
Follow focus
Add magenta
sensor

28. The useable exposure range of a sensor - or the range of subject brightness is called what?
Similar to a normal lens at about 30 degrees
To strike the side of the face away from the camera.
dynamic range (not to be confused with gamut)
The diaphragm - the mechanism that controls aperture.

29. Focal length controls what?
Follow focus
Follow focus
aperture diameter
1) Magnification - or the size of the subject; 2) Angle of view

30. What is the term used to describe data contained in a digital image?
Metadata
Blue & Green
24 bits per pixel (8 per color) - which gives 16 -777 -216 colors
3:1 or 4:1

31. What kind of lighting pattern is useful to widen a subject?
Front lighting
Broad lighting
Aperture - focal length - and distance to the subject
8 stops

32. Aperture controls what?
Fisheye
Variations command
Add blue
The brightness of the light that reaches the sensor

33. When the subtractive primaries are added together equally - what is created?
Shutter-priority
The diaphragm - the mechanism that controls aperture.
White (additive primaries are Red - Green Blue)
Black. Subtractive primaries are Magenta - Yellow - Cyan

34. A tonal correction cannot be accomplished by using a...
Add blue
Through the Lens. A camera that can automatically control flash exposure using sensors inside the camera.
hue/saturation adjustment layer
The sensor that converts the image from analog to digital (1's and 0's) CCD=charge coupled device; CMOS=complementary metal-oxide semiconductor

35. Using this kind of automatic exposure setting on the camera - you set the shutter speed and the camera sets the aperture.
Yellow
Shutter-Priority
In the middle
factor of 2 = 1 stop compensation. (Each time a factor doubles - it's one additional stop)

36. This light modifier can be used to highlight a specific area of the subject.
3:1 or 4:1
factor of 2 = 1 stop compensation. (Each time a factor doubles - it's one additional stop)
Add green
Snoot

37. If an image is too magenta - what color adjustment should be made in Photoshop to correct it?
Blown highlights
Aperture
Internet = 72 dpi; Newspaper = 150 dpi; Photographic print = 240-300 dpi; Gloss magazine = 400 dpi
Add green

38. What is the name of the issue that prevents you from seeing exactly what the lens sees when using a rangefinder camera?
Parallax
Aperture-priority
More of the background and foreground are sharp.
1/250th

39. A magic wand tool is used for what?
Selecting portions of the image based on color
Contrast
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.
To send accurate color requirements to a printer.

40. What is the general rule of thumb for the measurement of a 'normal' lens?
Short lighting.
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.
hue/saturation adjustment layer
The diagonal measurement of the sensor.

41. This viewing option gives you the most accurate version of your image in Photoshop.
1 or 2
Actual Pixel view
Shutter-Priority
A new layer

42. As the aperture becomes smaller - what happens to the depth of field?
Maybe as little as 0.5 degrees or 1 degree
Blue & Green
The pixels per inch a scanner is capable of capturing often described as two numbers (i.e. 1200x2400)
It increases

43. Name 3 ways to make a tonal adjustment in Photoshop.
White (255)
Curves adjustment; Levels adjustment; Brighteness/Contrast adjustment
8 bits
Half as much light

44. The smallest unit of digital information is called a what?
A simple lens with two curved sides or one curved and one flat side; found in a compound lens.
It increases
Bit
Glossy paper

45. Most lenses are sharpest closed down to how many stops from the widest?
1 or 2
Creates deep shadows in eye pockets - under nose - and chin.
Aperture-Priority
Reflected light meter

46. Why is depth of field greater on a short lens versus a long lens?
9
Convex
aperture diameter
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.

47. Copyright law has certain built-in exceptions that allow for special situations in using copyrighted material. They are called what?
The sensor's sensitivity to light
Fair Use
1920 pixels by 2400 pixels (4.6 million pixels)
Actual Pixel view

48. The term to describe the combination of aperture and shutter speed that can be changed by moving them in opposite directions.
aperture diameter
Internet = 72 dpi; Newspaper = 150 dpi; Photographic print = 240-300 dpi; Gloss magazine = 400 dpi
8 stops
Reciprocal relationship

49. Panning does what?
Variations command
The amount of light reflected back from the subject during exposure.
Keeps a moving subject sharp while blurring the background
Inkjet black & white printing where color cartridges are replaced with shades of gray - resulting in smooth tones and slight color cast

50. Resolution refers to what?
Aperture - focal length - and distance to the subject
The number of pixels per unit of length in a image
A new layer
Add yellow