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. When buying a lens hood - you should get it in what size relative to the lens?

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2. What is the effect of front lighting?
No
1 or 2
Parallax
Flattens out the volume of the subject and minimizes textures

3. Daylight is approximately what color temperature?
Variations command
Use positive exposure compensation (overexposure). A reflected meter reading will attempt to make the scene 18% gray - employ overexposure to adjust.
Similar to a normal lens at about 30 degrees
5 -000 Kelvin

4. What two controls adjust the amount of light that reaches the sensor?
Maybe as little as 0.5 degrees or 1 degree
More of the background and foreground are sharp.
Aperture and shutter
aperture diameter

5. A lens set at f/4 admits how much more/less light than one set at f/2.8?
Metamerism
Reflected light meter
Additive (R - G - B)
Half as much light

6. What is the name of the issue that prevents you from seeing exactly what the lens sees when using a rangefinder camera?
Add cyan
Zoom lens
Parallax
Convex

7. An 8x10 at 240 dpi will have a resolution of what?
Click with the neutral-point dropper on the selected color
Subtractive primaries (plus black)
1920 pixels by 2400 pixels (4.6 million pixels)
Aperture-priority

8. A tall vertical line on the right hand edge of a histogram indicates what?
The amount of information contained in each pixel
Blown highlights
Aperture
factor of 2 = 1 stop compensation. (Each time a factor doubles - it's one additional stop)

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

10. A lens with a very wide angle of view and produces barrel distortion is what kind of lens?
The sensor's sensitivity to light
1) Use a longer lens; 2) Move closer to the subject
Fisheye
No

11. What are luminance and illuminance?
Metadata
Metamerism
Actual Pixel view
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)

12. What angle of view does a spot meter read?
Maybe as little as 0.5 degrees or 1 degree
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.
Small light source at an angle to the subject
High Dynamic Range

13. How can you change the brightness of the background when using flash?
Flat lighting
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) Magnification - or the size of the subject; 2) Angle of view
Maybe as little as 0.5 degrees or 1 degree

14. If an image is too green - what color adjustment should be made in Photoshop to correct it?
The sensor that converts the image from analog to digital (1's and 0's) CCD=charge coupled device; CMOS=complementary metal-oxide semiconductor
No change. The EXPOSURE doesn't change or it would also change the background as well. Move the lights to adjust.
Add magenta
Blown highlights

15. How much resolution do you need for: Internet? Newspaper? Photographic print? Glossy magazine?
Zoom lens
Internet = 72 dpi; Newspaper = 150 dpi; Photographic print = 240-300 dpi; Gloss magazine = 400 dpi
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
5000K

16. To produce optimal sharpness - detail - and resolution - is a higher or lower ISO setting better?
Lower
One stop less
A change in illumination
In the middle

17. Can you save layers in a JPEG file format?
Black. Subtractive primaries are Magenta - Yellow - Cyan
No
(X times Y = exposure) Intensity (aperture) x Time (shutter)
A change in illumination

18. Generally - traditional portraits use what lighting ratio?
Along the lines of an imaginary grid at intersecting points that divide the image into thirds horizontally and vertically
lens-to-subject distance
Reflected light meter
3:1 or 4:1

19. The area of acceptable sharpness in an image is called what?
aperture diameter
Follow focus
sRGB
Depth of field

20. What is a color profile?
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).
Along the lines of an imaginary grid at intersecting points that divide the image into thirds horizontally and vertically
Metadata
Yellow

21. All objects beyond the closest distance in focus will be sharp when this appears within the DOF scale.
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.
emphasizes textures
Infinity
White (additive primaries are Red - Green Blue)

22. The histogram of a properly exposed grey card will show a vertical bar where on the histogram?
Lower
In the middle
1920 pixels by 2400 pixels (4.6 million pixels)
3200 Kelvin

23. In a curves adjustment layer - what does the shape of the curve indicate?
hue/saturation adjustment layer
Aperture
Contrast
White (255)

24. What does "photomacrograph" or "macrophotograph" mean?
Lasso tool
Close-ups that are life-size or larger. Images through microscopes are "photomicrographs."
The sensor that converts the image from analog to digital (1's and 0's) CCD=charge coupled device; CMOS=complementary metal-oxide semiconductor
Lower

25. What image adjustment tool uses a histogram display to alter an image?
White (255)
Levels adjustment
Internet = 72 dpi; Newspaper = 150 dpi; Photographic print = 240-300 dpi; Gloss magazine = 400 dpi
The brightness of all the pixels in an image

26. What color is between Magenta and Cyan on the color wheel?
Subtractive primaries (plus black)
Lasso tool
Add red
Blue

27. What is focal length - technically?
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)
The distance between the lens rear nodal point and the focal plane when the lens is focused at infinity.
stopped down
Use positive exposure compensation (overexposure). A reflected meter reading will attempt to make the scene 18% gray - employ overexposure to adjust.

28. 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)
Red - Yellow - Green - Cyan - Blue - Magenta
The sensor that converts the image from analog to digital (1's and 0's) CCD=charge coupled device; CMOS=complementary metal-oxide semiconductor
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.

29. What is a Bit?
Curves adjustment; Levels adjustment; Brighteness/Contrast adjustment
lens-to-subject distance
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 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.

30. What is the best color profile for web images?
It increases
sRGB
3:1 or 4:1
Butterfly lighting

31. What is the term used to describe a sensor's sensitivity to light?
Direct sun at 11 -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.
ISO
Metadata

32. What is a thyristor?
No change. The EXPOSURE doesn't change or it would also change the background as well. Move the lights to adjust.
stopped down
Add magenta
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.

33. What are quad- and hex- tone printing?
Soft proofing
Selectively increasing print exposure - which will make select parts of the image darker
Inkjet black & white printing where color cartridges are replaced with shades of gray - resulting in smooth tones and slight color cast
lens-to-subject distance

34. An incident-exposure reading for a fair-skinned subject reads f/8 - 1/125th at 100 ISO. The next subject is very dark skinned. What is the proper exposure for the second subject?

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35. What does side lighting emphasize?
Contrast
emphasizes textures
(X times Y = exposure) Intensity (aperture) x Time (shutter)
Add yellow

36. An in-camera reflected meter reading a very light toned scene indicates an exposure of 1/250th at f/8. For a correct exposure - what should you do?
5000K
sensor
The pixels per inch a scanner is capable of capturing often described as two numbers (i.e. 1200x2400)
Use positive exposure compensation (overexposure). A reflected meter reading will attempt to make the scene 18% gray - employ overexposure to adjust.

37. In short lighting - where is the main light placed?
3200 Kelvin
Blown highlights
To strike the side of the face away from the camera.
Shutter speed & aperture

38. To emphasize texture in a portrait - what kind of light source is recommended?
Soft proofing
Selectively blocking light during print exposure to lighten the area
In the middle
Small light source at an angle to the subject

39. Copyright law has certain built-in exceptions that allow for special situations in using copyrighted material. They are called what?
Levels adjustment
Fair Use
Snoot
emphasizes textures

40. In a digital image - the images file sizes corresponds to the total number of what in the image?
Total number of pixels
More of the background and foreground are sharp.
White (additive primaries are Red - Green Blue)
The brightness of all the pixels in an image

41. This type of backup system is fault-tolerant because it creates redundant data.
RAID system
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.
Small light source at an angle to the subject
Actual Pixel view

42. To minimize facial wrinkles - this type of lighting is best.
9
Front lighting
Cyan
A mirror and pentaprism

43. What is interpolated resolution?
Glossy paper
Shutter speed & aperture
Maybe as little as 0.5 degrees or 1 degree
On a scanner; it guesses what the pixels look like in between the ones the scanner can actually measure.

44. What kind of lighting pattern places the key light directly in front of and higher than the face?
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.
5000K
lengthen (or slow) the shutter speed
Butterfly lighting

45. If an image is too magenta - what color adjustment should be made in Photoshop to correct it?
Add green
5 -000 Kelvin
The difference between light and dark.
Direct sun at 11 -000 Kelvin

46. What is an element and where is it found?
Snoot
aperture diameter
A simple lens with two curved sides or one curved and one flat side; found in a compound lens.
International Organization for Standardization

47. Instead of permanently altering your image when adjusting for color and value - what should you do?
Use and adjustment layer
Follow focus
One stop less
The impression human vision gives

48. As the aperture is stopped down - what happens to sharpness?
5 -000 Kelvin
More of the background and foreground are sharp.
Blown highlights
factor of 2 = 1 stop compensation. (Each time a factor doubles - it's one additional stop)

49. What are the effects of top lighting?
White (additive primaries are Red - Green Blue)
Yellow
Creates deep shadows in eye pockets - under nose - and chin.
Use negative exposure compensation (underexpose). The meter will attempt to make the dark scene 18% grey - underexpose to bring it back to dark.

50. What is the general rule of thumb for the measurement of a 'normal' lens?
a sensor (or film's) sensitivity to light
The diagonal measurement of the sensor.
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.
Along the lines of an imaginary grid at intersecting points that divide the image into thirds horizontally and vertically