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. Color systems divide all colors into which three measurements?
lens-to-subject distance
Hue - Luminance - Saturation
Yellow
Yellow

2. What is the term used to describe data contained in a digital image?
High Dynamic Range
Contrast
Metadata
White (additive primaries are Red - Green Blue)

3. The greatest tonal range from black to white is achievable on what kind of paper?
Two (f/8 > f/11 > f/16)
Glossy paper
5 -000 Kelvin
Yellow

4. Name 3 ways to make a tonal adjustment in Photoshop.
Direct sun at 11 -000 Kelvin
Curves adjustment; Levels adjustment; Brighteness/Contrast adjustment
A RAW file that has been altered
Follow focus

5. What is a derivative file?
White (additive primaries are Red - Green Blue)
No
The amount of light reflected back from the subject during exposure.
A RAW file that has been altered

6. The term to describe the combination of aperture and shutter speed that can be changed by moving them in opposite directions.
Reciprocal relationship
sRGB
A RAW file that has been altered
Selecting portions of the image based on color

7. Focal length controls what?
3:1 or 4:1
1) Magnification - or the size of the subject; 2) Angle of view
Levels adjustment
emphasizes textures

8. Cyan is composed of equal parts of what two colors?
The number of pixels per unit of length in a image
Blue & Green
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.
No change. The EXPOSURE doesn't change or it would also change the background as well. Move the lights to adjust.

9. What kind of light will be produced when using a large white umbrella close to a subject?
flat - low contrast light
Metadata fields that hold info on photographer - subject - and use.
Hue - Luminance - Saturation
Add blue

10. 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?
A simple lens with two curved sides or one curved and one flat side; found in a compound lens.
Cyan
The pixels per inch a scanner is capable of capturing often described as two numbers (i.e. 1200x2400)
Aperture-priority

11. The rule of thirds necessitates that the composition be divided into a grid of now many equal rectangles or squares?
Dynamic range
Inkjet black & white printing where color cartridges are replaced with shades of gray - resulting in smooth tones and slight color cast
9
On a scanner; it guesses what the pixels look like in between the ones the scanner can actually measure.

12. The useable exposure range of a sensor - or the range of subject brightness is called what?
JPEG
256
Broad lighting
dynamic range (not to be confused with gamut)

13. What does ISO stand for?
Blown highlights
Broad lighting
International Organization for Standardization
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.

14. To minimize facial wrinkles - this type of lighting is best.
stopped down
Add green
Black (0)
Front lighting

15. Aperture controls what?
White (255)
The brightness of the light that reaches the sensor
A change in illumination
Use positive exposure compensation (overexposure). A reflected meter reading will attempt to make the scene 18% gray - employ overexposure to adjust.

16. A lens with a very wide angle of view and produces barrel distortion is what kind of lens?
Add magenta
Fisheye
Reflected light meter
Flattens out the volume of the subject and minimizes textures

17. Why does a short lens create wide-angle distortion?
The entire range of colors that can be seen - reproduced - or captured. Our eyes have a greater gamut than a print or monitor.
Because you can move in close to the subject
Aperture-Priority
The distance between the lens rear nodal point and the focal plane when the lens is focused at infinity.

18. The term "ISO speed" is used to describe what?

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19. Most lenses are sharpest closed down to how many stops from the widest?
1 or 2
Blue & Green
The impression human vision gives
No

20. In short lighting - where is the main light placed?
aperture diameter
To strike the side of the face away from the camera.
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.
RAID system

21. What kind of lighting pattern places the key light directly in front of and higher than the face?
Butterfly lighting
1) Use a longer lens; 2) Move closer to the subject
RAID system
Front lighting

22. 8 bits per pixel gives you how many colors?
Convex
256
A raster image
1 1/3 stops

23. The smallest unit of digital information is called a 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.
Internet = 72 dpi; Newspaper = 150 dpi; Photographic print = 240-300 dpi; Gloss magazine = 400 dpi
Along the lines of an imaginary grid at intersecting points that divide the image into thirds horizontally and vertically
Bit

24. In a digital image - the images file sizes corresponds to the total number of what in the image?
Total number of pixels
The brightness of all the pixels in an image
90 degrees. If using to eliminate reflections - it should be used at 35 degrees.
3:1 or 4:1

25. This viewing option gives you the most accurate version of your image in Photoshop.
3200 Kelvin
Actual Pixel view
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 mirror and pentaprism

26. Maximum depth of field at a given aperture is achieved by focusing at what?
Variations command
Use and adjustment layer
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.
A new layer

27. Contrast measures what in a print?
Half as much light
The difference between light and dark.
Selectively increasing print exposure - which will make select parts of the image darker
Maybe as little as 0.5 degrees or 1 degree

28. The image transmitted by the lens is recorded by the what?
sensor
Aperture-priority
Total number of pixels
Close-ups that are life-size or larger. Images through microscopes are "photomicrographs."

29. What are the three main factors that affect depth of field?
Magenta
Aperture - focal length - and distance to the subject
Sensor size - the larger the sensor size - the longer the focal length of a normal lens. (Corresponds to a diagonal line across the frame)
1920 pixels by 2400 pixels (4.6 million pixels)

30. This technique allows you to keep a subject that is moving toward you well focused.
Short lighting
1) Use a longer lens; 2) Move closer to the subject
Follow focus
lens-to-subject distance

31. What does a neutral density filter do?
The sensor that converts the image from analog to digital (1's and 0's) CCD=charge coupled device; CMOS=complementary metal-oxide semiconductor
JPEG
Aperture-priority
Absorbs equal quantities of all wavelengths of light. It allows you to use wider apertures or slower shutter speeds without changing color balance.

32. What is the suggested shutter speed to stop action of a child running parallel to the film plan - about 25 feet from the camera?
1/250th
Aperture and shutter
8 bits
Black (0)

33. If an image is too yellow - what color adjustment should be made in Photoshop to correct it?
Add blue
sensor
1) Use a longer lens; 2) Move closer to the subject
In the middle

34. This stores electronic images captured in a digital camera until they can be transferred to a computer.
Memory card / flash card / compact flash card
Selectively blocking light during print exposure to lighten the area
The amount of information contained in each pixel
RAID system

35. What angle should a polarizing filter be to the sun for best results?
Infrared
Flat lighting
90 degrees. If using to eliminate reflections - it should be used at 35 degrees.
stopped down

36. Panning does what?
Red - Yellow - Green - Cyan - Blue - Magenta
Keeps a moving subject sharp while blurring the background
Lasso tool
Selecting portions of the image based on color

37. As the aperture is stopped down - what happens to sharpness?
Selectively blocking light during print exposure to lighten the area
Metadata fields that hold info on photographer - subject - and use.
Shutter-priority
More of the background and foreground are sharp.

38. What kind of lighting patter is useful to narrow a face?
lens-to-subject distance
Add yellow
Short lighting
Aperture-priority

39. How much resolution do you need for: Internet? Newspaper? Photographic print? Glossy magazine?
Sensor size - the larger the sensor size - the longer the focal length of a normal lens. (Corresponds to a diagonal line across the frame)
Butterfly lighting
Internet = 72 dpi; Newspaper = 150 dpi; Photographic print = 240-300 dpi; Gloss magazine = 400 dpi
Bit

40. What do the bars on the left of a histogram represent?
Flat lighting
Black (0)
White (additive primaries are Red - Green Blue)
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.

41. What are quad- and hex- tone printing?
5 -000 Kelvin
Inkjet black & white printing where color cartridges are replaced with shades of gray - resulting in smooth tones and slight color cast
Flattens out the volume of the subject and minimizes textures
Add blue

42. What is interpolated resolution?
No
hue/saturation adjustment layer
On a scanner; it guesses what the pixels look like in between the ones the scanner can actually measure.
The brightness of all the pixels in an image

43. What is the name of the issue that prevents you from seeing exactly what the lens sees when using a rangefinder camera?
Yellow
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.
Yellow
Parallax

44. Resolution refers to what?
flat - low contrast light
The number of pixels per unit of length in a image
Flattens out the volume of the subject and minimizes textures
Magenta

45. What is focal length - technically?
It increases
The distance between the lens rear nodal point and the focal plane when the lens is focused at infinity.
Along the lines of an imaginary grid at intersecting points that divide the image into thirds horizontally and vertically
Flattens out the volume of the subject and minimizes textures

46. How can you change the brightness of the background when using flash?
To strike the side of the face away from the camera.
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.
A simple lens with two curved sides or one curved and one flat side; found in a compound lens.
1) Use a shorter focal length; 2) Move farther away from the subject

47. An SLR camera uses what to allow you to see exactly what you'll photograph?
Selectively increasing print exposure - which will make select parts of the image darker
A mirror and pentaprism
Aperture
1 or 2

48. To produce optimal sharpness - detail - and resolution - is a higher or lower ISO setting better?
The difference between light and dark.
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.
Total number of pixels
Lower

49. What is the inverse square law?
Yellow
sRGB
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.
Incident light meter

50. If an image is too green - what color adjustment should be made in Photoshop to correct it?
Add magenta
Black. Subtractive primaries are Magenta - Yellow - Cyan
Sensor size - the larger the sensor size - the longer the focal length of a normal lens. (Corresponds to a diagonal line across the frame)
Short lighting