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. Perspective is affected by what?
Fisheye
90 degrees. If using to eliminate reflections - it should be used at 35 degrees.
A raster image
lens-to-subject distance

2. Bit depth refers to what?
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.
Aperture-Priority
The amount of information contained in each pixel
Add blue

3. If an image is too green - what color adjustment should be made in Photoshop to correct it?
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.
Add magenta
Infrared
White (additive primaries are Red - Green Blue)

4. If an image is too yellow - what color adjustment should be made in Photoshop to correct it?
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.
Add blue
Direct sun at 11 -000 Kelvin
One stop less

5. If an image is too blue - what color adjustment should be made in Photoshop to correct it?
High Dynamic Range
Add yellow
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.
Blue

6. What determines what will be a 'normal' focal length lens on a particular camera?
Use positive exposure compensation (overexposure). A reflected meter reading will attempt to make the scene 18% gray - employ overexposure to adjust.
Sensor size - the larger the sensor size - the longer the focal length of a normal lens. (Corresponds to a diagonal line across the frame)
RAID system
Flattens out the volume of the subject and minimizes textures

7. If an image is too cyan - what color adjustment should be made in Photoshop to correct it?
A high contrast image
The distance between the lens rear nodal point and the focal plane when the lens is focused at infinity.
Add red
Dynamic range

8. 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?
Close-ups that are life-size or larger. Images through microscopes are "photomicrographs."
5 -000 Kelvin
Additive (R - G - B)
Use negative exposure compensation (underexpose). The meter will attempt to make the dark scene 18% grey - underexpose to bring it back to dark.

9. What kind of film can help reduce haze in a landscape?
stopped down
Half as much light
Infrared
Add cyan

10. Color systems divide all colors into which three measurements?
Levels adjustment
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 - Luminance - Saturation
Direct sun at 11 -000 Kelvin

11. A ring of thin - overlapping leaves located inside the lens is called what?
The diaphragm - the mechanism that controls aperture.
Very wide at about 180 degrees
The number of pixels per unit of length in a image
The impression human vision gives

12. The quantity of light that reaches your sensor is controlled by what?
Flattens out the volume of the subject and minimizes textures
The diagonal measurement of the sensor.
The sensor's sensitivity to light
Shutter speed & aperture

13. What is a flag?
Depth of field
It increases
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
(X times Y = exposure) Intensity (aperture) x Time (shutter)

14. A general purpose lens will provide an f-stop range of up to how many?
Aperture
8 stops
Add red
factor of 2 = 1 stop compensation. (Each time a factor doubles - it's one additional stop)

15. Photoshop's command for a simple way to start using color balance is what?
Incident light meter
9
Variations command
Levels adjustment

16. What is TTL?
Through the Lens. A camera that can automatically control flash exposure using sensors inside the camera.
A RAW file that has been altered
Short lighting.
Use negative exposure compensation (underexpose). The meter will attempt to make the dark scene 18% grey - underexpose to bring it back to dark.

17. What is the name of the issue that prevents you from seeing exactly what the lens sees when using a rangefinder camera?
Flat lighting
hue/saturation adjustment layer
Parallax
In the middle

18. What is a thyristor?
On a scanner; it guesses what the pixels look like in between the ones the scanner can actually measure.
ISO
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.
A change in illumination

19. According to the rule of thirds - where should the important parts of an image fall?
Absorbs equal quantities of all wavelengths of light. It allows you to use wider apertures or slower shutter speeds without changing color balance.
Memory card / flash card / compact flash card
Metadata
Along the lines of an imaginary grid at intersecting points that divide the image into thirds horizontally and vertically

20. Most inkjet printers intended for photographic printing include light and dark inks of all of the colors except for one. Which color ink is usually available only in one density?
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
Dynamic range
Curves adjustment; Levels adjustment; Brighteness/Contrast adjustment
Yellow

21. What are quad- and hex- tone printing?
Aperture - focal length - and distance to the subject
Follow focus
Inkjet black & white printing where color cartridges are replaced with shades of gray - resulting in smooth tones and slight color cast
dynamic range (not to be confused with gamut)

22. According to the Inverse Square Law - at a distance of 10 feet from a flash - the area illuminated receives how much more/less light than the area illuminated at 20 feet from the flash?
Keeps a moving subject sharp while blurring the background
Contrast
Lower
four times more

23. What is interpolated resolution?
Soft proofing
JPEG
On a scanner; it guesses what the pixels look like in between the ones the scanner can actually measure.
Broad lighting

24. What kind of lighting patter is useful to narrow a face?
Hue - Luminance - Saturation
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).
Short lighting
5 -000 Kelvin

25. The relative aperture is equal to the lens focal length divided by what?
lengthen (or slow) the shutter speed
One stop less
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.
aperture diameter

26. Name 2 ways you can decrease depth of field.
The pixels per inch a scanner is capable of capturing often described as two numbers (i.e. 1200x2400)
1) Use a longer lens; 2) Move closer to the subject
Maybe as little as 0.5 degrees or 1 degree
The amount of light reflected back from the subject during exposure.

27. A technique used to maintain sharp focus on a subject that is moving toward you is called what?
Shutter-Priority
Broad lighting
A RAW file that has been altered
Follow focus

28. The useable exposure range of a sensor - or the range of subject brightness is called what?
Flattens out the volume of the subject and minimizes textures
factor of 2 = 1 stop compensation. (Each time a factor doubles - it's one additional stop)
dynamic range (not to be confused with gamut)
(X times Y = exposure) Intensity (aperture) x Time (shutter)

29. A tall vertical line on the right hand edge of a histogram indicates what?
Close-ups that are life-size or larger. Images through microscopes are "photomicrographs."
Blown highlights
9
Black (0)

30. What do the bars on the right of a histogram represent?
Follow focus
White (255)
Soft proofing
lens-to-subject distance

31. 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.
Shutter-priority
High Dynamic Range
Blue & Green

32. If an image is too magenta - what color adjustment should be made in Photoshop to correct it?
Add green
A raster image
5 -000 Kelvin
factor of 2 = 1 stop compensation. (Each time a factor doubles - it's one additional stop)

33. Convex lenses cause light rays to do what?
bend toward each other and converge at the focal point.
Selectively increasing print exposure - which will make select parts of the image darker
In the middle
A mirror and pentaprism

34. Panning does what?
Front lighting
flat - low contrast light
To send accurate color requirements to a printer.
Keeps a moving subject sharp while blurring the background

35. Can you save layers in a JPEG file format?
Keeps a moving subject sharp while blurring the background
The amount of information contained in each pixel
No
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.

36. What is a Bit?
The entire range of colors that can be seen - reproduced - or captured. Our eyes have a greater gamut than a print or monitor.
No change. The EXPOSURE doesn't change or it would also change the background as well. Move the lights to adjust.
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.
One stop

37. What is the suggested shutter speed to stop action of a child running parallel to the film plan - about 25 feet from the camera?
Absorbs equal quantities of all wavelengths of light. It allows you to use wider apertures or slower shutter speeds without changing color balance.
1/250th
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.
a sensor (or film's) sensitivity to light

38. In short lighting - where is the main light placed?
To strike the side of the face away from the camera.
1) Magnification - or the size of the subject; 2) Angle of view
lens-to-subject distance
lengthen (or slow) the shutter speed

39. What do TTL systems react to?
No change. The EXPOSURE doesn't change or it would also change the background as well. Move the lights to adjust.
Add cyan
The amount of light reflected back from the subject during exposure.
A new layer

40. A lens set at f/4 admits how much more/less light than one set at f/2.8?
factor of 2 = 1 stop compensation. (Each time a factor doubles - it's one additional stop)
Half as much light
1920 pixels by 2400 pixels (4.6 million pixels)
Because you can move in close to the subject

41. What is the usable exposure range - or range of subject brightness called?
Dynamic range
ISO
Blue & Green
Levels adjustment

42. What kind of lighting pattern is best for average oval faces and round faces you want to slim?
Follow focus
Flat lighting
Short lighting.
24 bits per pixel (8 per color) - which gives 16 -777 -216 colors

43. The smallest unit of digital information is called a what?
Convex
factor of 2 = 1 stop compensation. (Each time a factor doubles - it's one additional stop)
Aperture - focal length - and distance to the subject
Bit

44. What kind of lighting pattern places the key light directly in front of and higher than the face?
Total number of pixels
Butterfly lighting
factor of 2 = 1 stop compensation. (Each time a factor doubles - it's one additional stop)
1) Magnification - or the size of the subject; 2) Angle of view

45. Cyan is composed of equal parts of what two colors?
bend toward each other and converge at the focal point.
hue/saturation adjustment layer
Blue & Green
The pixels per inch a scanner is capable of capturing often described as two numbers (i.e. 1200x2400)

46. Generally - how much exposure compensation (in stops) should be used when using a polarizing filter?
More of the background and foreground are sharp.
White (255)
Broad lighting
1 1/3 stops

47. What is burning?
Levels adjustment
Contrast
Small light source at an angle to the subject
Selectively increasing print exposure - which will make select parts of the image darker

48. A filter with a factor of 2 requires how many stops of compensation?

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49. Tungsten is approximately what color temperature?
Levels adjustment
To send accurate color requirements to a printer.
3200 Kelvin
The distance between the lens rear nodal point and the focal plane when the lens is focused at infinity.

50. Daylight is approximately what color temperature?
Metamerism
Hue - Luminance - Saturation
5 -000 Kelvin
In the middle