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. A normal (or standard) focal length lens approximates what?
Use and adjustment layer
Click with the neutral-point dropper on the selected color
The impression human vision gives
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.

2. What is interpolated resolution?
Cyan
The amount of information contained in each pixel
256
On a scanner; it guesses what the pixels look like in between the ones the scanner can actually measure.

3. In the 20th century - black & white photographers used the Zone system to tame excessive contrast. Now - digital photographers use what?
Levels adjustment
Aperture
A change in illumination
High Dynamic Range

4. Can you save layers in a JPEG file format?
Actual Pixel view
No
Selectively increasing print exposure - which will make select parts of the image darker
Blue

5. Printers use what set of colors?
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.
24 bits per pixel (8 per color) - which gives 16 -777 -216 colors
Use positive exposure compensation (overexposure). A reflected meter reading will attempt to make the scene 18% gray - employ overexposure to adjust.
Subtractive primaries (plus black)

6. What is a derivative file?
1) Use a shorter focal length; 2) Move farther away from the subject
Aperture - focal length - and distance 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.
A RAW file that has been altered

7. Whenever another image is copied or moved into a file - Photoshop automatically creates what?
A new layer
1/250th
Contrast
Infinity

8. 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?

9. What is the usable exposure range - or range of subject brightness called?
Add red
Through the Lens. A camera that can automatically control flash exposure using sensors inside the camera.
1) Magnification - or the size of the subject; 2) Angle of view
Dynamic range

10. What are the effects of high side lighting?
Levels adjustment
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 simple lens with two curved sides or one curved and one flat side; found in a compound lens.
Blue

11. This light modifier can be used to highlight a specific area of the subject.
Snoot
aperture diameter
Yellow
Add magenta

12. 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?
Blown highlights
Aperture-priority
1 or 2
Bit

13. When mixed in varying proportion - the subtractive primary colors produce what?
All colors
1) Magnification - or the size of the subject; 2) Angle of view
256
Parallax

14. Convex lenses cause light rays to do what?
Add green
Small light source at an angle to the subject
Two (f/8 > f/11 > f/16)
bend toward each other and converge at the focal point.

15. How would you define exposure in mathematical terms?
Fisheye
(X times Y = exposure) Intensity (aperture) x Time (shutter)
The number of pixels per unit of length in a image
Close-ups that are life-size or larger. Images through microscopes are "photomicrographs."

16. Focal length controls what?
Follow focus
More of the background and foreground are sharp.
To send accurate color requirements to a printer.
1) Magnification - or the size of the subject; 2) Angle of view

17. Color systems divide all colors into which three measurements?
The amount of information contained in each pixel
Fair Use
Hue - Luminance - Saturation
Broad lighting

18. All objects beyond the closest distance in focus will be sharp when this appears within the DOF scale.
The brightness of all the pixels in an image
Infinity
Reciprocal relationship
lengthen (or slow) the shutter speed

19. When doing close-up work - what happens to the depth of field when the subject is closer to the lens?
Broad lighting
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.
Follow focus
Two (f/8 > f/11 > f/16)

20. How does 'unsharp mask' work?
Contrast
Click with the neutral-point dropper on the selected color
Yellow
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.

21. If an image is too red - what color adjustment should be made in Photoshop to correct it?
Add cyan
Metadata fields that hold info on photographer - subject - and use.
1) Use a shorter focal length; 2) Move farther away from the subject
In the middle

22. This stores electronic images captured in a digital camera until they can be transferred to a computer.
Metadata
Because you can move in close to the subject
9
Memory card / flash card / compact flash card

23. To produce optimal sharpness - detail - and resolution - is a higher or lower ISO setting better?
Lower
Sensor size - the larger the sensor size - the longer the focal length of a normal lens. (Corresponds to a diagonal line across the frame)
Inkjet black & white printing where color cartridges are replaced with shades of gray - resulting in smooth tones and slight color cast
Dynamic range

24. Blue is opposite what color on the color wheel?
Creates deep shadows in eye pockets - under nose - and chin.
The sensor that converts the image from analog to digital (1's and 0's) CCD=charge coupled device; CMOS=complementary metal-oxide semiconductor
Yellow
The entire range of colors that can be seen - reproduced - or captured. Our eyes have a greater gamut than a print or monitor.

25. What is focal length - technically?
The distance between the lens rear nodal point and the focal plane when the lens is focused at infinity.
Contrast
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).
Magenta

26. Name 3 ways to make a tonal adjustment in Photoshop.
Curves adjustment; Levels adjustment; Brighteness/Contrast adjustment
RAID system
Butterfly lighting
8 bits

27. when adjusting an image with levels - if you want to make any color neutral quickly - what would you do?
Flat lighting
Click with the neutral-point dropper on the selected color
Infrared
Aperture-Priority

28. What color is opposite Green on the color wheel?
Selecting portions of the image based on color
a sensor (or film's) sensitivity to light
Similar to a normal lens at about 30 degrees
Magenta

29. In a digital image - the images file sizes corresponds to the total number of what in the image?
Total number of pixels
Shutter speed & aperture
Maybe as little as 0.5 degrees or 1 degree
Curves adjustment; Levels adjustment; Brighteness/Contrast adjustment

30. What are the three main factors that affect depth of field?
Total number of pixels
Reciprocal relationship
Aperture - focal length - and distance to the subject
dynamic range (not to be confused with gamut)

31. The rule of thirds necessitates that the composition be divided into a grid of now many equal rectangles or squares?
9
Close-ups that are life-size or larger. Images through microscopes are "photomicrographs."
Fisheye
Yellow

32. Name two ways you can increase depth of field (other than changing aperture).
Because you can move in close to the subject
In the middle
1) Use a shorter focal length; 2) Move farther away from the subject
Blown highlights

33. Digital cameras use what set of primary colors?
Additive (R - G - B)
The amount of light reflected back from the subject during exposure.
Infinity
The distance between the lens rear nodal point and the focal plane when the lens is focused at infinity.

34. If an image is too green - what color adjustment should be made in Photoshop to correct it?
1 or 2
Add magenta
The amount of information contained in each pixel
Black (0)

35. What do TTL systems react to?
The amount of light reflected back from the subject during exposure.
sensor
1) Magnification - or the size of the subject; 2) Angle of view
Small light source at an angle to the subject

36. What are the effects of top lighting?
lengthen (or slow) the shutter speed
Creates deep shadows in eye pockets - under nose - and chin.
Red - Yellow - Green - Cyan - Blue - 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.

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?
Use positive exposure compensation (overexposure). A reflected meter reading will attempt to make the scene 18% gray - employ overexposure to adjust.
24 bits per pixel (8 per color) - which gives 16 -777 -216 colors
The amount of information contained in each pixel
Absorbs equal quantities of all wavelengths of light. It allows you to use wider apertures or slower shutter speeds without changing color balance.

38. What is the term used to describe a sensor's sensitivity to light?
Parallax
ISO
lengthen (or slow) the shutter speed
Add blue

39. 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.
Magenta
Convex
Hue - Luminance - Saturation

40. This type of backup system is fault-tolerant because it creates redundant data.
RAID system
Aperture-priority
High Dynamic Range
Flattens out the volume of the subject and minimizes textures

41. Perspective is affected by what?
The diagonal measurement of the sensor.
Lower
lens-to-subject distance
Half as much light

42. The term to describe the combination of aperture and shutter speed that can be changed by moving them in opposite directions.
The difference between light and dark.
Fisheye
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.
Reciprocal relationship

43. Contrast measures what in a print?
four times more
1 1/3 stops
The difference between light and dark.
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.

44. If an image is too blue - what color adjustment should be made in Photoshop to correct it?
Add yellow
factor of 2 = 1 stop compensation. (Each time a factor doubles - it's one additional stop)
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.
Direct sun at 11 -000 Kelvin

45. What is a color profile?
Butterfly lighting
stopped down
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).
Metamerism

46. Bit depth refers to what?
Aperture
Yellow
Shutter-priority
The amount of information contained in each pixel

47. When the subtractive primaries are added together equally - what is created?
Click with the neutral-point dropper on the selected color
Add green
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.
Black. Subtractive primaries are Magenta - Yellow - Cyan

48. This viewing option gives you the most accurate version of your image in Photoshop.
Add green
Absorbs equal quantities of all wavelengths of light. It allows you to use wider apertures or slower shutter speeds without changing color balance.
256
Actual Pixel view

49. What are quad- and hex- tone printing?
Parallax
The sensor that converts the image from analog to digital (1's and 0's) CCD=charge coupled device; CMOS=complementary metal-oxide semiconductor
Inkjet black & white printing where color cartridges are replaced with shades of gray - resulting in smooth tones and slight color cast
Lower

50. An image made of pixels is sometimes called what?
A raster image
9
The diaphragm - the mechanism that controls aperture.
The distance between the lens rear nodal point and the focal plane when the lens is focused at infinity.