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. This viewing option gives you the most accurate version of your image in Photoshop.
Actual Pixel view
Add blue
A high contrast image
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.

2. A technique used to maintain sharp focus on a subject that is moving toward you is called what?
1 1/3 stops
Follow focus
Infrared
Half as much light

3. 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 mirror and pentaprism
ISO
Aperture-priority
8 bits

4. To emphasize texture in a portrait - what kind of light source is recommended?
A high contrast image
A new layer
Small light source at an angle to the subject
1920 pixels by 2400 pixels (4.6 million pixels)

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

6. Contrast measures what in a print?
Parallax
All colors
Internet = 72 dpi; Newspaper = 150 dpi; Photographic print = 240-300 dpi; Gloss magazine = 400 dpi
The difference between light and dark.

7. What kind of lighting pattern is useful to widen a subject?
1/250th
Broad lighting
5 -000 Kelvin
A change in illumination

8. What does the term "stop" mean?
A change in illumination
5000K
The brightness of the light that reaches the sensor
The number of pixels per unit of length in a image

9. A histogram shows what in an image?
Very wide at about 180 degrees
The brightness of all the pixels in an image
Incident light meter
Because you can move in close to the subject

10. Copyright law has certain built-in exceptions that allow for special situations in using copyrighted material. They are called what?
Internet = 72 dpi; Newspaper = 150 dpi; Photographic print = 240-300 dpi; Gloss magazine = 400 dpi
Fair Use
Add magenta
Add green

11. In a digital image - the images file sizes corresponds to the total number of what in the image?
Use positive exposure compensation (overexposure). A reflected meter reading will attempt to make the scene 18% gray - employ overexposure to adjust.
The amount of light reflected back from the subject during exposure.
stopped down
Total number of pixels

12. What kind of film can help reduce haze in a landscape?
Infrared
aperture diameter
Snoot
Inkjet black & white printing where color cartridges are replaced with shades of gray - resulting in smooth tones and slight color cast

13. Using this kind of automatic exposure setting on the camera - you set the shutter speed and the camera sets the aperture.
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.
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.
Shutter-Priority
8 stops

14. Doubling the aperture setting creates how many stops difference in the amount of light reaching the sensor?
One stop
One stop less
sensor
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).

15. Color systems divide all colors into which three measurements?
Hue - Luminance - Saturation
a sensor (or film's) sensitivity to light
Parallax
bend toward each other and converge at the focal point.

16. What is the term used to describe human's change in perception of a color under different light sources?
Similar to a normal lens at about 30 degrees
Fair Use
Metamerism
emphasizes textures

17. This light modifier can be used to highlight a specific area of the subject.
8 bits
Reciprocal relationship
A change in illumination
Snoot

18. This kind of meter is preferred by photographers working in a studio situation where lighting conditions can be altered.
A change in illumination
The pixels per inch a scanner is capable of capturing often described as two numbers (i.e. 1200x2400)
Incident light meter
Subtractive primaries (plus black)

19. When doing close-up work - what happens to the depth of field when the subject is closer to the lens?
The pixels per inch a scanner is capable of capturing often described as two numbers (i.e. 1200x2400)
Variations command
Magenta
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.

20. As the aperture becomes smaller - what happens to the depth of field?
Maybe as little as 0.5 degrees or 1 degree
1) Use a shorter focal length; 2) Move farther away from the subject
It increases
Levels adjustment

21. Resolution refers to what?
To send accurate color requirements to a printer.
The number of pixels per unit of length in a image
International Organization for Standardization
Maybe as little as 0.5 degrees or 1 degree

22. when adjusting an image with levels - if you want to make any color neutral quickly - what would you do?
5 -000 Kelvin
Click with the neutral-point dropper on the selected color
The brightness of all the pixels in an image
Parallax

23. Perspective is affected by what?
Incident light meter
lens-to-subject distance
The entire range of colors that can be seen - reproduced - or captured. Our eyes have a greater gamut than a print or monitor.
Creates deep shadows in eye pockets - under nose - and chin.

24. An SLR camera uses what to allow you to see exactly what you'll photograph?
A mirror and pentaprism
1920 pixels by 2400 pixels (4.6 million pixels)
A change in illumination
The distance between the lens rear nodal point and the focal plane when the lens is focused at infinity.

25. If an image is too cyan - what color adjustment should be made in Photoshop to correct it?
Add blue
JPEG
Short lighting.
Add red

26. The relative aperture is equal to the lens focal length divided by what?
3:1 or 4:1
aperture diameter
Additive (R - G - B)
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.

27. What is a thyristor?
Metadata fields that hold info on photographer - subject - and use.
Creates deep shadows in eye pockets - under nose - and chin.
Shutter speed & aperture
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.

28. According to the rule of thirds - where should the important parts of an image fall?
The diaphragm - the mechanism that controls aperture.
Internet = 72 dpi; Newspaper = 150 dpi; Photographic print = 240-300 dpi; Gloss magazine = 400 dpi
sRGB
Along the lines of an imaginary grid at intersecting points that divide the image into thirds horizontally and vertically

29. What light source has the highest color temperature?
24 bits per pixel (8 per color) - which gives 16 -777 -216 colors
9
No change. The EXPOSURE doesn't change or it would also change the background as well. Move the lights to adjust.
Direct sun at 11 -000 Kelvin

30. The quantity of light that reaches your sensor is controlled by what?
Aperture-priority
Glossy paper
One stop less
Shutter speed & aperture

31. What is dodging?
Selectively blocking light during print exposure to lighten the area
Shutter-Priority
Levels adjustment
Two (f/8 > f/11 > f/16)

32. In a 2:1 ratio - the shadow side of the subject would meter at X stop(s) less than the highlight side.
Lower
Dynamic range
Levels adjustment
One stop less

33. Convex lenses cause light rays to do what?
(X times Y = exposure) Intensity (aperture) x Time (shutter)
bend toward each other and converge at the focal point.
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)
5 -000 Kelvin

34. What is the optical resolution on a scanner defined as?
Cyan
Yellow
The pixels per inch a scanner is capable of capturing often described as two numbers (i.e. 1200x2400)
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.

35. What is an element and where is it found?
A simple lens with two curved sides or one curved and one flat side; found in a compound lens.
lengthen (or slow) the shutter speed
Depth of field
Cyan

36. In the 20th century - black & white photographers used the Zone system to tame excessive contrast. Now - digital photographers use what?
hue/saturation adjustment layer
High Dynamic Range
Shutter-priority
Add green

37. What does "photomacrograph" or "macrophotograph" mean?
Fisheye
The difference between light and dark.
Close-ups that are life-size or larger. Images through microscopes are "photomicrographs."
Infrared

38. All objects beyond the closest distance in focus will be sharp when this appears within the DOF scale.
Similar to a normal lens at about 30 degrees
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.
The distance between the lens rear nodal point and the focal plane when the lens is focused at infinity.
Infinity

39. What two controls adjust the amount of light that reaches the sensor?
flat - low contrast light
Metadata fields that hold info on photographer - subject - and use.
Aperture and shutter
Memory card / flash card / compact flash card

40. Why is depth of field greater on a short lens versus a long lens?
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.
Depth of field
1/250th
Use positive exposure compensation (overexposure). A reflected meter reading will attempt to make the scene 18% gray - employ overexposure to adjust.

41. If you must move to reduce the amount of flash reaching your subject - how far do you move?
5000K
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.
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)
White (255)

42. What is the general rule of thumb for the measurement of a 'normal' lens?
8 stops
The diagonal measurement of the sensor.
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.
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.

43. What is a flag?
Use and adjustment layer
5000K
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 (not to be confused with gamut)

44. If an image is too blue - what color adjustment should be made in Photoshop to correct it?
Add yellow
Blue & Green
Dynamic range
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.

45. What image adjustment tool uses a histogram display to alter an image?
Levels adjustment
Subtractive primaries (plus black)
No
Add magenta

46. This type of file format compresses images by discarding pixels; therefore - each time an images is compressed - it loses pixels.
1920 pixels by 2400 pixels (4.6 million pixels)
High Dynamic Range
Aperture-Priority
JPEG

47. In short lighting - where is the main light placed?
No
To strike the side of the face away from the camera.
A change in illumination
Front lighting

48. The term to describe the combination of aperture and shutter speed that can be changed by moving them in opposite directions.
Convex
Additive (R - G - B)
Reciprocal relationship
Creates deep shadows in eye pockets - under nose - and chin.

49. What does ISO stand for?
ISO
International Organization for Standardization
Soft proofing
A simple lens with two curved sides or one curved and one flat side; found in a compound lens.

50. What are luminance and illuminance?
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)
Snoot
lens-to-subject distance
Dynamic range