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 useable exposure range of a sensor - or the range of subject brightness is called what?
four times more
dynamic range (not to be confused with gamut)
Variations command
International Organization for Standardization

2. What color is opposite Green on the color wheel?
5 -000 Kelvin
The pixels per inch a scanner is capable of capturing often described as two numbers (i.e. 1200x2400)
White (255)
Magenta

3. What does side lighting emphasize?
emphasizes textures
More of the background and foreground are sharp.
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.
Because you can move in close to the subject

4. A tonal correction cannot be accomplished by using a...
It increases
hue/saturation adjustment layer
Infrared
Similar to a normal lens at about 30 degrees

5. Digital cameras use what set of primary colors?
Total number of pixels
Internet = 72 dpi; Newspaper = 150 dpi; Photographic print = 240-300 dpi; Gloss magazine = 400 dpi
Additive (R - G - B)
A new layer

6. The amount of motion blur in an image will increase if you do what?
Incident light meter
bend toward each other and converge at the focal point.
A change in illumination
lengthen (or slow) the shutter speed

7. Name 2 ways you can decrease depth of field.
1) Use a longer lens; 2) Move closer to the subject
Blue
Bit
1) Use a shorter focal length; 2) Move farther away from the subject

8. What is the term used to describe data contained in a digital image?
On a scanner; it guesses what the pixels look like in between the ones the scanner can actually measure.
The pixels per inch a scanner is capable of capturing often described as two numbers (i.e. 1200x2400)
Metadata
The sensor that converts the image from analog to digital (1's and 0's) CCD=charge coupled device; CMOS=complementary metal-oxide semiconductor

9. What is gamut?
Add red
The sensor's sensitivity to light
Yellow
The entire range of colors that can be seen - reproduced - or captured. Our eyes have a greater gamut than a print or monitor.

10. What are the effects of high side lighting?
No change. The EXPOSURE doesn't change or it would also change the background as well. Move the lights to adjust.
90 degrees. If using to eliminate reflections - it should be used at 35 degrees.
a sensor (or film's) sensitivity to light
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.

11. Can you save layers in a JPEG file format?
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.
sensor
No
Similar to a normal lens at about 30 degrees

12. Maximum depth of field at a given aperture is achieved by focusing at what?
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.
Contrast
One stop
Very wide at about 180 degrees

13. Most modern lenses are based on this kind of lens.
Convex
In the middle
Aperture-Priority
High Dynamic Range

14. As the aperture becomes smaller - what happens to the depth of field?
It increases
Subtractive primaries (plus black)
9
The sensor that converts the image from analog to digital (1's and 0's) CCD=charge coupled device; CMOS=complementary metal-oxide semiconductor

15. What is the best color profile for web images?
sRGB
Lower
Aperture-priority
A high contrast image

16. Bit depth refers to what?
Zoom lens
Levels adjustment
5 -000 Kelvin
The amount of information contained in each pixel

17. What is the usable exposure range - or range of subject brightness called?
Use and adjustment layer
Black. Subtractive primaries are Magenta - Yellow - Cyan
Flat lighting
Dynamic range

18. Using this kind of automatic exposure setting on the camera - you set the aperture and the camera sets the shutter speed.
Aperture-Priority
The amount of light reflected back from the subject during exposure.
One stop
sRGB

19. Name two ways you can increase depth of field (other than changing aperture).
The difference between light and dark.
1) Use a shorter focal length; 2) Move farther away from the subject
Direct sun at 11 -000 Kelvin
Use and adjustment layer

20. Panning does what?
International Organization for Standardization
Reflected light meter
Keeps a moving subject sharp while blurring the background
9

21. A tall vertical line on the right hand edge of a histogram indicates what?
Reciprocal relationship
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.
To strike the side of the face away from the camera.
Blown highlights

22. Going clockwise around the color wheel - starting with RED - what is the progression of colors?
All colors
Use negative exposure compensation (underexpose). The meter will attempt to make the dark scene 18% grey - underexpose to bring it back to dark.
Shutter-priority
Red - Yellow - Green - Cyan - Blue - Magenta

23. Printers use what set of colors?
5000K
All colors
Inkjet black & white printing where color cartridges are replaced with shades of gray - resulting in smooth tones and slight color cast
Subtractive primaries (plus black)

24. A magic wand tool is used for what?
Close-ups that are life-size or larger. Images through microscopes are "photomicrographs."
Selecting portions of the image based on color
Short lighting
The difference between light and dark.

25. What is the inverse square law?
5 -000 Kelvin
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.
Internet = 72 dpi; Newspaper = 150 dpi; Photographic print = 240-300 dpi; Gloss magazine = 400 dpi
Metadata fields that hold info on photographer - subject - and use.

26. What would you use an ICC profile for?
To send accurate color requirements to a printer.
Absorbs equal quantities of all wavelengths of light. It allows you to use wider apertures or slower shutter speeds without changing color balance.
24 bits per pixel (8 per color) - which gives 16 -777 -216 colors
Add yellow

27. What is a BYTE?
To strike the side of the face away from the camera.
The brightness of all the pixels in an 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.
Reciprocal relationship

28. What does "photomacrograph" or "macrophotograph" mean?
Aperture
1) Use a longer lens; 2) Move closer to the subject
Close-ups that are life-size or larger. Images through microscopes are "photomicrographs."
Add blue

29. Why does a short lens create wide-angle distortion?
Aperture
Shutter-Priority
Because you can move in close to the subject
Absorbs equal quantities of all wavelengths of light. It allows you to use wider apertures or slower shutter speeds without changing color balance.

30. According to the rule of thirds - where should the important parts of an image fall?
Metamerism
The brightness of all the pixels in an image
Along the lines of an imaginary grid at intersecting points that divide the image into thirds horizontally and vertically
The distance between the lens rear nodal point and the focal plane when the lens is focused at infinity.

31. Generally - traditional portraits use what lighting ratio?
To strike the side of the face away from the camera.
International Organization for Standardization
3:1 or 4:1
Red - Yellow - Green - Cyan - Blue - Magenta

32. If an image is too cyan - what color adjustment should be made in Photoshop to correct it?
Because you can move in close to the subject
24 bits per pixel (8 per color) - which gives 16 -777 -216 colors
Metamerism
Add red

33. What light source has the highest color temperature?
Use and adjustment layer
Metamerism
Direct sun at 11 -000 Kelvin
To send accurate color requirements to a printer.

34. Perspective is affected by what?
lens-to-subject distance
Butterfly lighting
A change in illumination
Follow focus

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

36. What do the bars on the right of a histogram represent?
Click with the neutral-point dropper on the selected color
Yellow
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.
White (255)

37. What kind of lighting pattern places the key light directly in front of and higher than the face?
A simple lens with two curved sides or one curved and one flat side; found in a compound lens.
Butterfly lighting
The impression human vision gives
The brightness of all the pixels in an image

38. This technique allows you to keep a subject that is moving toward you well focused.
Selecting portions of the image based on color
Two (f/8 > f/11 > f/16)
Metadata fields that hold info on photographer - subject - and use.
Follow focus

39. What is the optical resolution on a scanner defined as?
The pixels per inch a scanner is capable of capturing often described as two numbers (i.e. 1200x2400)
Aperture-priority
Infinity
Internet = 72 dpi; Newspaper = 150 dpi; Photographic print = 240-300 dpi; Gloss magazine = 400 dpi

40. This stores electronic images captured in a digital camera until they can be transferred to a computer.
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.
Memory card / flash card / compact flash card
Lasso tool
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.

41. The image transmitted by the lens is recorded by the what?
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.
sensor
The amount of information contained in each pixel
1 1/3 stops

42. If an image is too red - what color adjustment should be made in Photoshop to correct it?
All colors
Use positive exposure compensation (overexposure). A reflected meter reading will attempt to make the scene 18% gray - employ overexposure to adjust.
No
Add cyan

43. Color systems divide all colors into which three measurements?
International Organization for Standardization
24 bits per pixel (8 per color) - which gives 16 -777 -216 colors
Hue - Luminance - Saturation
Blue & Green

44. What kind of light will be produced when using a large white umbrella close to a subject?
It increases
flat - low contrast light
1/250th
The diaphragm - the mechanism that controls aperture.

45. When the size of the aperture is decreased - it is said to be what?
stopped down
A change in illumination
1920 pixels by 2400 pixels (4.6 million pixels)
Glossy paper

46. What are quad- and hex- tone printing?
Inkjet black & white printing where color cartridges are replaced with shades of gray - resulting in smooth tones and slight color cast
Add red
Aperture
One stop less

47. What kind of lighting pattern is useful to widen a subject?
256
Lower
sRGB
Broad lighting

48. What is the term used to describe a sensor's sensitivity to light?
Aperture - focal length - and distance to the subject
5 -000 Kelvin
A simple lens with two curved sides or one curved and one flat side; found in a compound lens.
ISO

49. If an image is too yellow - what color adjustment should be made in Photoshop to correct it?
ISO
Add blue
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.
90 degrees. If using to eliminate reflections - it should be used at 35 degrees.

50. What color is opposite Red on the color wheel?
A change in illumination
Cyan
On a scanner; it guesses what the pixels look like in between the ones the scanner can actually measure.
Parallax