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. As the aperture is stopped down - what happens to sharpness?
Red - Yellow - Green - Cyan - Blue - Magenta
More of the background and foreground are sharp.
1/250th
Incident light meter

2. What color is opposite Green on the color wheel?
Creates deep shadows in eye pockets - under nose - and chin.
Magenta
A raster image
256

3. If you must move to reduce the amount of flash reaching your subject - how far do you move?
Zoom lens
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.
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.
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.

4. This type of file format compresses images by discarding pixels; therefore - each time an images is compressed - it loses pixels.
Black. Subtractive primaries are Magenta - Yellow - Cyan
Aperture - focal length - and distance to the subject
1 1/3 stops
JPEG

5. What is the best color profile for web images?
Black. Subtractive primaries are Magenta - Yellow - Cyan
A RAW file that has been altered
The brightness of all the pixels in an image
sRGB

6. In a curves adjustment layer - what does the shape of the curve indicate?
1) Magnification - or the size of the subject; 2) Angle of view
Maybe as little as 0.5 degrees or 1 degree
Contrast
Additive (R - G - B)

7. What light source has the highest color temperature?
Direct sun at 11 -000 Kelvin
Follow focus
Click with the neutral-point dropper on the selected color
dynamic range (not to be confused with gamut)

8. This stores electronic images captured in a digital camera until they can be transferred to a computer.
Direct sun at 11 -000 Kelvin
Yellow
Memory card / flash card / compact flash card
Fair Use

9. An image made of pixels is sometimes called what?
Maybe as little as 0.5 degrees or 1 degree
The distance between the lens rear nodal point and the focal plane when the lens is focused at infinity.
Red - Yellow - Green - Cyan - Blue - Magenta
A raster image

10. What is burning?
Selectively increasing print exposure - which will make select parts of the image darker
One stop
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
The brightness of all the pixels in an image

11. 8 bits per pixel gives you how many colors?
The brightness of all the pixels in an image
256
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.
emphasizes textures

12. What is a derivative file?
A RAW file that has been altered
The number of pixels per unit of length in a image
Aperture and shutter
Two (f/8 > f/11 > f/16)

13. What is an element and where is it found?
(X times Y = exposure) Intensity (aperture) x Time (shutter)
In the middle
A simple lens with two curved sides or one curved and one flat side; found in a compound lens.
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 are luminance and illuminance?
The difference between light and dark.
Selecting portions of the image based on color
Add red
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)

15. Focal length controls what?
Two (f/8 > f/11 > f/16)
Flat lighting
1) Magnification - or the size of the subject; 2) Angle of view
emphasizes textures

16. Panning does what?
Follow focus
3:1 or 4:1
RAID system
Keeps a moving subject sharp while blurring the background

17. What angle of view does an incident meter read?
Metadata fields that hold info on photographer - subject - and use.
Levels adjustment
Very wide at about 180 degrees
Shutter-priority

18. When the size of the aperture is decreased - it is said to be what?
Lower
emphasizes textures
The brightness of the light that reaches the sensor
stopped down

19. Color systems divide all colors into which three measurements?
The diaphragm - the mechanism that controls aperture.
flat - low contrast light
Hue - Luminance - Saturation
On a scanner; it guesses what the pixels look like in between the ones the scanner can actually measure.

20. 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?
Flat lighting
Use positive exposure compensation (overexposure). A reflected meter reading will attempt to make the scene 18% gray - employ overexposure to adjust.
8 bits
Sensor size - the larger the sensor size - the longer the focal length of a normal lens. (Corresponds to a diagonal line across the frame)

21. 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?
Infrared
Add yellow
It increases
Shutter-priority

22. To emphasize texture in a portrait - what kind of light source is recommended?
Use positive exposure compensation (overexposure). A reflected meter reading will attempt to make the scene 18% gray - employ overexposure to adjust.
Lasso tool
Small light source at an angle to the subject
Contrast

23. What two controls adjust the amount of light that reaches the sensor?
5000K
Aperture and shutter
1/250th
Magenta

24. The useable exposure range of a sensor - or the range of subject brightness is called what?
dynamic range (not to be confused with gamut)
8 bits
A new layer
RAID system

25. What does the term "stop" mean?
Zoom lens
A change in illumination
In the middle
One stop

26. If an image is too yellow - what color adjustment should be made in Photoshop to correct it?
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.
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.
1 1/3 stops
Add blue

27. 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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28. In a digital image - the images file sizes corresponds to the total number of what in the image?
3:1 or 4:1
Total number of pixels
All colors
256

29. The area of acceptable sharpness in an image is called what?
Depth of field
Yellow
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
A change in illumination

30. A ring of thin - overlapping leaves located inside the lens is called what?
More of the background and foreground are sharp.
aperture diameter
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.
The diaphragm - the mechanism that controls aperture.

31. If an image is too cyan - what color adjustment should be made in Photoshop to correct it?
The pixels per inch a scanner is capable of capturing often described as two numbers (i.e. 1200x2400)
JPEG
The impression human vision gives
Add red

32. A normal (or standard) focal length lens approximates what?
3:1 or 4:1
Reflected light meter
The impression human vision gives
Internet = 72 dpi; Newspaper = 150 dpi; Photographic print = 240-300 dpi; Gloss magazine = 400 dpi

33. A lens with a very wide angle of view and produces barrel distortion is what kind of lens?
Aperture-priority
Fisheye
aperture diameter
One stop

34. A lens set at f/4 admits how much more/less light than one set at f/2.8?
The difference between light and dark.
Half as much light
On a scanner; it guesses what the pixels look like in between the ones the scanner can actually measure.
Levels adjustment

35. When the subtractive primaries are added together equally - what is created?
Sensor size - the larger the sensor size - the longer the focal length of a normal lens. (Corresponds to a diagonal line across the frame)
Bit
Infrared
Black. Subtractive primaries are Magenta - Yellow - Cyan

36. The greatest tonal range from black to white is achievable on what kind of paper?
Blown highlights
Glossy paper
White (255)
Shutter speed & aperture

37. This viewing option gives you the most accurate version of your image in Photoshop.
Add magenta
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.
5000K
Actual Pixel view

38. If an image is too magenta - what color adjustment should be made in Photoshop to correct it?
Aperture - focal length - and distance to the subject
The amount of light reflected back from the subject during exposure.
Levels adjustment
Add green

39. How would you define exposure in mathematical terms?
Metamerism
(X times Y = exposure) Intensity (aperture) x Time (shutter)
High Dynamic Range
To strike the side of the face away from the camera.

40. This type of backup system is fault-tolerant because it creates redundant data.
lengthen (or slow) the shutter speed
Magenta
RAID system
The brightness of all the pixels in an image

41. What is gamut?
The distance between the lens rear nodal point and the focal plane when the lens is focused at infinity.
The entire range of colors that can be seen - reproduced - or captured. Our eyes have a greater gamut than a print or monitor.
Aperture and shutter
Soft proofing

42. What is the suggested shutter speed to stop action of a child running parallel to the film plan - about 25 feet from the camera?
Infrared
Blue & Green
1/250th
Selectively increasing print exposure - which will make select parts of the image darker

43. This technique allows you to keep a subject that is moving toward you well focused.
emphasizes textures
lengthen (or slow) the shutter speed
Follow focus
24 bits per pixel (8 per color) - which gives 16 -777 -216 colors

44. What do the bars on the left of a histogram represent?
RAID system
sRGB
Metadata fields that hold info on photographer - subject - and use.
Black (0)

45. The image transmitted by the lens is recorded by the what?
Through the Lens. A camera that can automatically control flash exposure using sensors inside the camera.
sensor
Selectively blocking light during print exposure to lighten the area
No

46. Contrast measures what in a print?
The difference between light and dark.
8 stops
5000K
Contrast

47. The amount of motion blur in an image will increase if you do what?
lengthen (or slow) the shutter speed
Aperture-Priority
1/250th
Creates deep shadows in eye pockets - under nose - and chin.

48. Perspective is affected by what?
lens-to-subject distance
Absorbs equal quantities of all wavelengths of light. It allows you to use wider apertures or slower shutter speeds without changing color balance.
a sensor (or film's) sensitivity to light
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.

49. A tall vertical line on the right hand edge of a histogram indicates what?
Snoot
1 1/3 stops
Blown highlights
Hue - Luminance - Saturation

50. A magic wand tool is used for 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.
Parallax
Shutter-Priority
Selecting portions of the image based on color