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 kind of meter is built in to most cameras?
Add yellow
Black (0)
Reflected light meter
Infinity

2. What does side lighting emphasize?
emphasizes textures
1/250th
Additive (R - G - B)
Click with the neutral-point dropper on the selected color

3. What two controls adjust the amount of light that reaches the sensor?
Aperture - focal length - and distance to the subject
RAID system
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.
Aperture and shutter

4. An in-camera reflected meter reading a very dark scene indicates an exposure of 1/250th at f/8. For a correct exposure - what should you do?
Incident light meter
Use negative exposure compensation (underexpose). The meter will attempt to make the dark scene 18% grey - underexpose to bring it back to dark.
a sensor (or film's) sensitivity to light
factor of 2 = 1 stop compensation. (Each time a factor doubles - it's one additional stop)

5. Going clockwise around the color wheel - starting with RED - what is the progression of colors?
Snoot
Red - Yellow - Green - Cyan - Blue - Magenta
All colors
Add cyan

6. Most lenses are sharpest closed down to how many stops from the widest?
Total number of pixels
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.
The sensor that converts the image from analog to digital (1's and 0's) CCD=charge coupled device; CMOS=complementary metal-oxide semiconductor
1 or 2

7. What is a flag?
The brightness of the light that reaches the sensor
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
Blue & Green
Contrast

8. A lens with a very wide angle of view and produces barrel distortion is what kind of lens?
90 degrees. If using to eliminate reflections - it should be used at 35 degrees.
One stop
Fisheye
5000K

9. If an image is too cyan - what color adjustment should be made in Photoshop to correct it?
Add red
aperture diameter
Lower
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.

10. The greatest tonal range from black to white is achievable on what kind of paper?
3200 Kelvin
Glossy paper
The difference between light and dark.
(X times Y = exposure) Intensity (aperture) x Time (shutter)

11. If an image is too magenta - what color adjustment should be made in Photoshop to correct it?
Add green
(X times Y = exposure) Intensity (aperture) x Time (shutter)
Glossy paper
Maybe as little as 0.5 degrees or 1 degree

12. Contrast measures what in a print?
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 difference between light and dark.
A new layer
9

13. When the additive primaries are mixed together equally - what is created?
90 degrees. If using to eliminate reflections - it should be used at 35 degrees.
The brightness of the light that reaches the sensor
White (additive primaries are Red - Green Blue)
Reflected light meter

14. If an image is too blue - what color adjustment should be made in Photoshop to correct it?
hue/saturation adjustment layer
International Organization for Standardization
Add yellow
A RAW file that has been altered

15. What do the bars on the left of a histogram represent?
Actual Pixel view
Black (0)
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.
Black. Subtractive primaries are Magenta - Yellow - Cyan

16. What is the CCD or CMOS sensor?

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17. What is a BYTE?
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.
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).
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.
Bit

18. A 1:1 lighting ratio produces what lighting result?
Flat lighting
1/250th
Total number of pixels
Short lighting.

19. What are the three main factors that affect depth of field?
Levels adjustment
Aperture
Aperture - focal length - and distance to the subject
Blown highlights

20. What does "photomacrograph" or "macrophotograph" mean?
Close-ups that are life-size or larger. Images through microscopes are "photomicrographs."
a sensor (or film's) sensitivity to light
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.
Maybe as little as 0.5 degrees or 1 degree

21. What light source has the highest color temperature?
1 1/3 stops
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.
Snoot
Direct sun at 11 -000 Kelvin

22. Focal length controls what?
1) Magnification - or the size of the subject; 2) Angle of view
To strike the side of the face away from the camera.
Use negative exposure compensation (underexpose). The meter will attempt to make the dark scene 18% grey - underexpose to bring it back to dark.
In the middle

23. A histogram with peaks on either end of the histogram and a deep valley in between represents what?
Use and adjustment layer
A high contrast image
The amount of light reflected back from the subject during exposure.
On a scanner; it guesses what the pixels look like in between the ones the scanner can actually measure.

24. To emphasize texture in a portrait - what kind of light source is recommended?
One stop
Small light source at an angle to the subject
four times more
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).

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

26. In a curves adjustment layer - what does the shape of the curve indicate?
Contrast
International Organization for Standardization
Keeps a moving subject sharp while blurring the background
factor of 2 = 1 stop compensation. (Each time a factor doubles - it's one additional stop)

27. If an image is too red - what color adjustment should be made in Photoshop to correct it?
256
Add cyan
Close-ups that are life-size or larger. Images through microscopes are "photomicrographs."
Cyan

28. What angle should a polarizing filter be to the sun for best results?
Add blue
Aperture-Priority
90 degrees. If using to eliminate reflections - it should be used at 35 degrees.
The brightness of the light that reaches the sensor

29. When the size of the aperture is decreased - it is said to be what?
A raster image
stopped down
The pixels per inch a scanner is capable of capturing often described as two numbers (i.e. 1200x2400)
Absorbs equal quantities of all wavelengths of light. It allows you to use wider apertures or slower shutter speeds without changing color balance.

30. The rule of thirds necessitates that the composition be divided into a grid of now many equal rectangles or squares?
The impression human vision gives
Internet = 72 dpi; Newspaper = 150 dpi; Photographic print = 240-300 dpi; Gloss magazine = 400 dpi
9
Bit

31. Doubling the aperture setting creates how many stops difference in the amount of light reaching the sensor?
Infinity
Through the Lens. A camera that can automatically control flash exposure using sensors inside the camera.
One stop
Hue - Luminance - Saturation

32. What is the general rule of thumb for the measurement of a 'normal' lens?
Add blue
The diagonal measurement of the sensor.
1920 pixels by 2400 pixels (4.6 million pixels)
Lasso tool

33. Printers use how many bits per channel of information when printing?
8 bits
Glossy paper
The diagonal measurement of the sensor.
Shutter-priority

34. An 8x10 at 240 dpi will have a resolution of what?
1920 pixels by 2400 pixels (4.6 million pixels)
Convex
aperture diameter
Red - Yellow - Green - Cyan - Blue - Magenta

35. A technique used to maintain sharp focus on a subject that is moving toward you is called what?
1 or 2
factor of 2 = 1 stop compensation. (Each time a factor doubles - it's one additional stop)
Follow focus
Cyan

36. What is a Bit?
lengthen (or slow) the shutter speed
Yellow
Soft proofing
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.

37. In short lighting - where is the main light placed?
emphasizes textures
White (additive primaries are Red - Green Blue)
To strike the side of the face away from the camera.
Along the lines of an imaginary grid at intersecting points that divide the image into thirds horizontally and vertically

38. What is a thyristor?
The amount of information contained in each pixel
Selectively blocking light during print exposure to lighten the area
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.
Blue & Green

39. Using this kind of automatic exposure setting on the camera - you set the aperture and the camera sets the shutter speed.
Aperture-Priority
Small light source at an angle to the subject
One stop
The distance between the lens rear nodal point and the focal plane when the lens is focused at infinity.

40. Copyright law has certain built-in exceptions that allow for special situations in using copyrighted material. They are called what?
Because you can move in close to the subject
The brightness of the light that reaches the sensor
Small light source at an angle to the subject
Fair Use

41. What is the inverse square law?
8 bits
The amount of information contained in each pixel
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.
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.

42. As the aperture becomes smaller - what happens to the depth of field?
Actual Pixel view
The difference between light and dark.
It increases
Bit

43. This viewing option gives you the most accurate version of your image in Photoshop.
3200 Kelvin
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)
Actual Pixel view
Soft proofing

44. What is an element and where is it found?
Internet = 72 dpi; Newspaper = 150 dpi; Photographic print = 240-300 dpi; Gloss magazine = 400 dpi
A simple lens with two curved sides or one curved and one flat side; found in a compound lens.
Half as much light
Sensor size - the larger the sensor size - the longer the focal length of a normal lens. (Corresponds to a diagonal line across the frame)

45. How does 'unsharp mask' work?
The distance between the lens rear nodal point and the focal plane when the lens is focused at infinity.
Incident light meter
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.
a sensor (or film's) sensitivity to light

46. Name two ways you can increase depth of field (other than changing aperture).
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.
1) Use a shorter focal length; 2) Move farther away from the subject
On a scanner; it guesses what the pixels look like in between the ones the scanner can actually measure.
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

47. The smallest unit of digital information is called a what?
Broad lighting
White (255)
The diagonal measurement of the sensor.
Bit

48. When doing close-up work - what happens to the depth of field when the subject is closer to the lens?
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.
3:1 or 4:1
Hue - Luminance - Saturation
No change. The EXPOSURE doesn't change or it would also change the background as well. Move the lights to adjust.

49. Stopping a lens down from f/8 to f/16 represents a X stop difference.
dynamic range (not to be confused with gamut)
Two (f/8 > f/11 > f/16)
90 degrees. If using to eliminate reflections - it should be used at 35 degrees.
Add magenta

50. How would you define exposure in mathematical terms?
High Dynamic Range
(X times Y = exposure) Intensity (aperture) x Time (shutter)
On a scanner; it guesses what the pixels look like in between the ones the scanner can actually measure.
Variations command