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. The amount of motion blur in an image will increase if you do what?
The number of pixels per unit of length in a image
A raster image
lengthen (or slow) the shutter speed
sRGB

2. What is dodging?
Selectively blocking light during print exposure to lighten the area
The impression human vision gives
Follow focus
Through the Lens. A camera that can automatically control flash exposure using sensors inside the camera.

3. 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?
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.
four times more
Internet = 72 dpi; Newspaper = 150 dpi; Photographic print = 240-300 dpi; Gloss magazine = 400 dpi
Parallax

4. Daylight is approximately what color temperature?
Direct sun at 11 -000 Kelvin
Follow focus
In the middle
5 -000 Kelvin

5. What is the optical resolution on a scanner defined as?
Infinity
Blue
The pixels per inch a scanner is capable of capturing often described as two numbers (i.e. 1200x2400)
Shutter speed & aperture

6. Going clockwise around the color wheel - starting with RED - what is the progression of colors?
RAID system
Red - Yellow - Green - Cyan - Blue - Magenta
Flat lighting
Add green

7. When mixed in varying proportion - the subtractive primary colors produce what?
All colors
Add green
The diaphragm - the mechanism that controls aperture.
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)

8. A ring of thin - overlapping leaves located inside the lens is called what?
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.
Metadata fields that hold info on photographer - subject - and use.
The impression human vision gives

9. What is the CCD or CMOS sensor?

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10. Printers use what set of colors?
Metadata fields that hold info on photographer - subject - and use.
Add yellow
Subtractive primaries (plus black)
High Dynamic Range

11. What kind of meter is built in to most cameras?
Dynamic range
Fair Use
The brightness of the light that reaches the sensor
Reflected light meter

12. Generally - how much exposure compensation (in stops) should be used when using a polarizing filter?
1 1/3 stops
Levels adjustment
Close-ups that are life-size or larger. Images through microscopes are "photomicrographs."
Two (f/8 > f/11 > f/16)

13. 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?
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.
Use positive exposure compensation (overexposure). A reflected meter reading will attempt to make the scene 18% gray - employ overexposure to adjust.
8 bits
The sensor that converts the image from analog to digital (1's and 0's) CCD=charge coupled device; CMOS=complementary metal-oxide semiconductor

14. What does ISO stand for?
Creates deep shadows in eye pockets - under nose - and chin.
International Organization for Standardization
Broad lighting
Short lighting.

15. Aperture controls what?
A simple lens with two curved sides or one curved and one flat side; found in a compound lens.
The brightness of the light that reaches the sensor
factor of 2 = 1 stop compensation. (Each time a factor doubles - it's one additional stop)
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.

16. 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?
Yellow
3200 Kelvin
8 bits
The impression human vision gives

17. 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?
Aperture-Priority
dynamic range (not to be confused with gamut)
Use negative exposure compensation (underexpose). The meter will attempt to make the dark scene 18% grey - underexpose to bring it back to dark.
It increases

18. The term to describe the combination of aperture and shutter speed that can be changed by moving them in opposite directions.
Fair Use
A RAW file that has been altered
lengthen (or slow) the shutter speed
Reciprocal relationship

19. Using this kind of automatic exposure setting on the camera - you set the aperture and the camera sets the shutter speed.
256
lengthen (or slow) the shutter speed
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.
Aperture-Priority

20. What light source has the highest color temperature?
On a scanner; it guesses what the pixels look like in between the ones the scanner can actually measure.
5 -000 Kelvin
Variations command
Direct sun at 11 -000 Kelvin

21. What is burning?
Use and adjustment layer
Selectively increasing print exposure - which will make select parts of the image darker
Short lighting.
A raster image

22. A histogram with peaks on either end of the histogram and a deep valley in between represents what?
lens-to-subject distance
A high contrast image
Absorbs equal quantities of all wavelengths of light. It allows you to use wider apertures or slower shutter speeds without changing color balance.
International Organization for Standardization

23. Whenever another image is copied or moved into a file - Photoshop automatically creates what?
A RAW file that has been altered
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.
A new layer
Convex

24. Color systems divide all colors into which three measurements?
Hue - Luminance - Saturation
Metamerism
Additive (R - G - B)
All colors

25. What is focal length - technically?
Close-ups that are life-size or larger. Images through microscopes are "photomicrographs."
The pixels per inch a scanner is capable of capturing often described as two numbers (i.e. 1200x2400)
The distance between the lens rear nodal point and the focal plane when the lens is focused at infinity.
The brightness of all the pixels in an image

26. What color is opposite Red on the color wheel?
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.
Metadata
Cyan
Additive (R - G - B)

27. Most modern lenses are based on this kind of lens.
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.
Convex
The distance between the lens rear nodal point and the focal plane when the lens is focused at infinity.
Yellow

28. How would you define exposure in mathematical terms?
Aperture - focal length - and distance to the subject
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.
(X times Y = exposure) Intensity (aperture) x Time (shutter)
256

29. What angle of view does a spot meter read?
sensor
Dynamic range
Maybe as little as 0.5 degrees or 1 degree
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.

30. What is a BYTE?
A raster image
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
The number of pixels per unit of length in a image

31. A lens set at f/4 admits how much more/less light than one set at f/2.8?
Half as much light
Aperture - focal length - and distance to the subject
24 bits per pixel (8 per color) - which gives 16 -777 -216 colors
Similar to a normal lens at about 30 degrees

32. Most lenses are sharpest closed down to how many stops from the widest?
1 or 2
5 -000 Kelvin
Keeps a moving subject sharp while blurring the background
Aperture-priority

33. What are the three main factors that affect depth of field?
To strike the side of the face away from the camera.
RAID system
Aperture - focal length - and distance to the subject
Use positive exposure compensation (overexposure). A reflected meter reading will attempt to make the scene 18% gray - employ overexposure to adjust.

34. What is the suggested shutter speed to stop action of a child running parallel to the film plan - about 25 feet from the camera?
Add red
Internet = 72 dpi; Newspaper = 150 dpi; Photographic print = 240-300 dpi; Gloss magazine = 400 dpi
Snoot
1/250th

35. What is the name of the issue that prevents you from seeing exactly what the lens sees when using a rangefinder camera?
stopped down
1) Use a shorter focal length; 2) Move farther away from the subject
Parallax
Yellow

36. How is brightness and contrast best controlled in Photoshop?
Infinity
Levels adjustment
Add magenta
90 degrees. If using to eliminate reflections - it should be used at 35 degrees.

37. An image made of pixels is sometimes called what?
Blue
A raster image
RAID system
Soft proofing

38. Generally - traditional portraits use what lighting ratio?
A RAW file that has been altered
3:1 or 4:1
Hue - Luminance - Saturation
Aperture-Priority

39. As the aperture is stopped down - what happens to sharpness?
High Dynamic Range
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.
More of the background and foreground are sharp.
Blue

40. As the aperture becomes smaller - what happens to the depth of field?
8 stops
It increases
Selectively blocking light during print exposure to lighten the area
lengthen (or slow) the shutter speed

41. What is a color profile?
9
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.
To strike the side of the face away from the camera.
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).

42. What is the term used to describe a sensor's sensitivity to light?
Additive (R - G - B)
Soft proofing
ISO
High Dynamic Range

43. If an image is too yellow - what color adjustment should be made in Photoshop to correct it?
Add blue
International Organization for Standardization
factor of 2 = 1 stop compensation. (Each time a factor doubles - it's one additional stop)
A change in illumination

44. Sharpness from near to far is controlled by what?
The sensor's sensitivity to light
Aperture
Subtractive primaries (plus black)
Absorbs equal quantities of all wavelengths of light. It allows you to use wider apertures or slower shutter speeds without changing color balance.

45. A tonal correction cannot be accomplished by using a...
Actual Pixel view
lengthen (or slow) the shutter speed
Parallax
hue/saturation adjustment layer

46. This viewing option gives you the most accurate version of your image in Photoshop.
All colors
No
Actual Pixel view
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.

47. This stores electronic images captured in a digital camera until they can be transferred to a computer.
Broad lighting
Memory card / flash card / compact flash card
The difference between light and dark.
9

48. This type of backup system is fault-tolerant because it creates redundant data.
One stop
RAID system
The entire range of colors that can be seen - reproduced - or captured. Our eyes have a greater gamut than a print or monitor.
9

49. If an image is too green - what color adjustment should be made in Photoshop to correct it?
Two (f/8 > f/11 > f/16)
Add magenta
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.
Black. Subtractive primaries are Magenta - Yellow - Cyan

50. A technique used to maintain sharp focus on a subject that is moving toward you is called what?
Flat lighting
Follow focus
Soft proofing
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.