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 type of file format compresses images by discarding pixels; therefore - each time an images is compressed - it loses pixels.
The sensor's sensitivity to light
Half as much light
JPEG
Memory card / flash card / compact flash card

2. Maximum depth of field at a given aperture is achieved by focusing at what?
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.
Shutter-priority
More of the background and foreground are sharp.
Because you can move in close to the subject

3. Whenever another image is copied or moved into a file - Photoshop automatically creates what?
Parallax
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 new layer
Cyan

4. What angle should a polarizing filter be to the sun for best results?
The diaphragm - the mechanism that controls aperture.
To strike the side of the face away from the camera.
Dynamic range
90 degrees. If using to eliminate reflections - it should be used at 35 degrees.

5. Copyright law has certain built-in exceptions that allow for special situations in using copyrighted material. They are called what?
Through the Lens. A camera that can automatically control flash exposure using sensors inside the camera.
Fair Use
Add cyan
The sensor that converts the image from analog to digital (1's and 0's) CCD=charge coupled device; CMOS=complementary metal-oxide semiconductor

6. Using this kind of automatic exposure setting on the camera - you set the aperture and the camera sets the shutter speed.
Incident light meter
Aperture-Priority
Shutter-priority
A change in illumination

7. What is the name of the technique used to make a monitor look like what you will see on your print?
sensor
A simple lens with two curved sides or one curved and one flat side; found in a compound lens.
sRGB
Soft proofing

8. What do the bars on the right of a histogram represent?
White (255)
Hue - Luminance - Saturation
Reflected light meter
Creates deep shadows in eye pockets - under nose - and chin.

9. A ring of thin - overlapping leaves located inside the lens is called what?
sensor
24 bits per pixel (8 per color) - which gives 16 -777 -216 colors
Inkjet black & white printing where color cartridges are replaced with shades of gray - resulting in smooth tones and slight color cast
The diaphragm - the mechanism that controls aperture.

10. The histogram of a properly exposed grey card will show a vertical bar where on the histogram?
In the middle
Click with the neutral-point dropper on the selected color
Because you can move in close to the subject
Metamerism

11. The area of acceptable sharpness in an image is called what?
Depth of field
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.
Aperture - focal length - and distance to the subject
Red - Yellow - Green - Cyan - Blue - Magenta

12. Printers use what set of colors?
Short lighting
Subtractive primaries (plus black)
256
Reflected light meter

13. What is the term used to describe a sensor's sensitivity to light?
Lasso tool
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.
ISO
Dynamic range

14. What is a thyristor?
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.
Hue - Luminance - Saturation
Add magenta
Depth of field

15. What does ISO stand for?
aperture diameter
Use negative exposure compensation (underexpose). The meter will attempt to make the dark scene 18% grey - underexpose to bring it back to dark.
Aperture-Priority
International Organization for Standardization

16. What angle of view does a reflected light meter read?
Lasso tool
Shutter speed & aperture
Infrared
Similar to a normal lens at about 30 degrees

17. Name two ways you can increase depth of field (other than changing aperture).
Use positive exposure compensation (overexposure). A reflected meter reading will attempt to make the scene 18% gray - employ overexposure to adjust.
Shutter-priority
White (additive primaries are Red - Green Blue)
1) Use a shorter focal length; 2) Move farther away from the subject

18. What is a BYTE?
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.
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.
flat - low contrast light
1/250th

19. 8 bits per pixel gives you how many colors?
256
Add yellow
A high contrast image
High Dynamic Range

20. What is the usable exposure range - or range of subject brightness called?
Fair Use
Dynamic range
Add green
1) Magnification - or the size of the subject; 2) Angle of view

21. The term to describe the combination of aperture and shutter speed that can be changed by moving them in opposite directions.
Yellow
Reciprocal relationship
Because you can move in close to the subject
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.

22. What is a derivative file?
The number of pixels per unit of length in a image
Short lighting.
A RAW file that has been altered
Magenta

23. Photoshop's command for a simple way to start using color balance is what?
Bit
Add blue
Black (0)
Variations command

24. Resolution refers to what?
A RAW file that has been altered
In the middle
The number of pixels per unit of length in a image
3200 Kelvin

25. 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).
Lower
Incident light meter
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.

26. What do TTL systems react to?
One stop less
Add blue
Selectively blocking light during print exposure to lighten the area
The amount of light reflected back from the subject during exposure.

27. What light source has the highest color temperature?
Blown highlights
The impression human vision gives
Direct sun at 11 -000 Kelvin
Fair Use

28. The relative aperture is equal to the lens focal length divided by what?
Blue & Green
Additive (R - G - B)
Shutter-Priority
aperture diameter

29. What does the term "stop" mean?
A change in illumination
sRGB
Short lighting.
Black. Subtractive primaries are Magenta - Yellow - Cyan

30. If an image is too yellow - what color adjustment should be made in Photoshop to correct it?
A simple lens with two curved sides or one curved and one flat side; found in a compound lens.
Small light source at an angle to the subject
Add blue
Total number of pixels

31. What are IPTC fields used for?
Fisheye
Metadata fields that hold info on photographer - subject - and use.
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.
Add green

32. A technique used to maintain sharp focus on a subject that is moving toward you is called what?
Convex
Aperture - focal length - and distance to the subject
Follow focus
Click with the neutral-point dropper on the selected color

33. The smallest unit of digital information is called a what?
Broad lighting
Dynamic range
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).
Bit

34. What are the three main factors that affect depth of field?
A RAW file that has been altered
90 degrees. If using to eliminate reflections - it should be used at 35 degrees.
Incident light meter
Aperture - focal length - and distance to the subject

35. An image made of pixels is sometimes called what?
Aperture and shutter
A raster image
The impression human vision gives
The number of pixels per unit of length in a image

36. when adjusting an image with levels - if you want to make any color neutral quickly - what would you do?
Similar to a normal lens at about 30 degrees
Hue - Luminance - Saturation
Short lighting.
Click with the neutral-point dropper on the selected color

37. 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?
1/250th
Lower
Use positive exposure compensation (overexposure). A reflected meter reading will attempt to make the scene 18% gray - employ overexposure to adjust.
Memory card / flash card / compact flash card

38. This type of backup system is fault-tolerant because it creates redundant data.
1) Use a shorter focal length; 2) Move farther away from the subject
Aperture
Direct sun at 11 -000 Kelvin
RAID system

39. What color is opposite Red on the color wheel?
Very wide at about 180 degrees
Cyan
A mirror and pentaprism
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.

40. To minimize facial wrinkles - this type of lighting is best.
The sensor that converts the image from analog to digital (1's and 0's) CCD=charge coupled device; CMOS=complementary metal-oxide semiconductor
Front lighting
Glossy paper
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.

41. Can you save layers in a JPEG file format?
Shutter-Priority
8 bits
No
The difference between light and dark.

42. How is brightness and contrast best controlled in Photoshop?
Levels adjustment
Sensor size - the larger the sensor size - the longer the focal length of a normal lens. (Corresponds to a diagonal line across the frame)
sRGB
1) Use a longer lens; 2) Move closer to the subject

43. A tonal correction cannot be accomplished by using a...
Flat lighting
hue/saturation adjustment layer
The distance between the lens rear nodal point and the focal plane when the lens is focused at infinity.
Hue - Luminance - Saturation

44. Name 3 ways to make a tonal adjustment in Photoshop.
Curves adjustment; Levels adjustment; Brighteness/Contrast adjustment
Shutter-priority
Very wide at about 180 degrees
Butterfly lighting

45. What does a neutral density filter do?
Absorbs equal quantities of all wavelengths of light. It allows you to use wider apertures or slower shutter speeds without changing color balance.
Black (0)
Aperture-priority
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.

46. What is focal length - technically?
The distance between the lens rear nodal point and the focal plane when the lens is focused at infinity.
bend toward each other and converge at the focal point.
Because you can move in close to the subject
Absorbs equal quantities of all wavelengths of light. It allows you to use wider apertures or slower shutter speeds without changing color balance.

47. This light modifier can be used to highlight a specific area of the subject.
(X times Y = exposure) Intensity (aperture) x Time (shutter)
To send accurate color requirements to a printer.
Snoot
bend toward each other and converge at the focal point.

48. This stores electronic images captured in a digital camera until they can be transferred to a computer.
Shutter-priority
Aperture-Priority
Memory card / flash card / compact flash card
Maybe as little as 0.5 degrees or 1 degree

49. Most lenses are sharpest closed down to how many stops from the widest?
All colors
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.
Shutter speed & aperture
1 or 2

50. What kind of lighting pattern is best for average oval faces and round faces you want to slim?
1 or 2
Absorbs equal quantities of all wavelengths of light. It allows you to use wider apertures or slower shutter speeds without changing color balance.
Actual Pixel view
Short lighting.