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. In a digital image - the images file sizes corresponds to the total number of what in the image?
(X times Y = exposure) Intensity (aperture) x Time (shutter)
Additive (R - G - B)
Total number of pixels
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.

2. As the aperture is stopped down - what happens to sharpness?
Blown highlights
More of the background and foreground are sharp.
Actual Pixel view
Fisheye

3. What does ISO stand for?
Aperture - focal length - and distance to the subject
International Organization for Standardization
1 or 2
Lasso tool

4. Focal length controls what?
1) Magnification - or the size of the subject; 2) Angle of view
Shutter speed & aperture
High Dynamic Range
White (255)

5. What color is opposite Green on the color wheel?
Magenta
The entire range of colors that can be seen - reproduced - or captured. Our eyes have a greater gamut than a print or monitor.
Actual Pixel view
9

6. What is the term used to describe human's change in perception of a color under different light sources?
four times more
One stop less
Metamerism
A RAW file that has been altered

7. What kind of lighting pattern is useful to widen a subject?
Total number of pixels
Follow focus
Broad lighting
90 degrees. If using to eliminate reflections - it should be used at 35 degrees.

8. How can you change the brightness of the background when using flash?
8 bits
Metadata fields that hold info on photographer - subject - and use.
Creates deep shadows in eye pockets - under nose - and chin.
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.

9. What is TTL?
Blue & Green
Depth of field
Front lighting
Through the Lens. A camera that can automatically control flash exposure using sensors inside the camera.

10. Can you save layers in a JPEG file format?
Use negative exposure compensation (underexpose). The meter will attempt to make the dark scene 18% grey - underexpose to bring it back to dark.
No
Bit
1/250th

11. If an image is too red - what color adjustment should be made in Photoshop to correct it?
1) Use a longer lens; 2) Move closer to the subject
No change. The EXPOSURE doesn't change or it would also change the background as well. Move the lights to adjust.
Add cyan
Total number of pixels

12. In a 2:1 ratio - the shadow side of the subject would meter at X stop(s) less than the highlight side.
A change in illumination
Sensor size - the larger the sensor size - the longer the focal length of a normal lens. (Corresponds to a diagonal line across the frame)
One stop less
Total number of pixels

13. Why does a short lens create wide-angle distortion?
The distance between the lens rear nodal point and the focal plane when the lens is focused at infinity.
Because you can move in close to the subject
Fisheye
The pixels per inch a scanner is capable of capturing often described as two numbers (i.e. 1200x2400)

14. To minimize facial wrinkles - this type of lighting is best.
Hue - Luminance - Saturation
Fair Use
One stop
Front lighting

15. Instead of permanently altering your image when adjusting for color and value - what should you do?
Reciprocal relationship
The number of pixels per unit of length in a image
The distance between the lens rear nodal point and the focal plane when the lens is focused at infinity.
Use and adjustment layer

16. The rule of thirds necessitates that the composition be divided into a grid of now many equal rectangles or squares?
Aperture-priority
Black. Subtractive primaries are Magenta - Yellow - Cyan
Metamerism
9

17. What angle of view does a reflected light meter read?
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.
A raster image
Similar to a normal lens at about 30 degrees

18. 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?
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.
Absorbs equal quantities of all wavelengths of light. It allows you to use wider apertures or slower shutter speeds without changing color balance.
Use negative exposure compensation (underexpose). The meter will attempt to make the dark scene 18% grey - underexpose to bring it back to dark.
Infrared

19. Digital cameras use what set of primary colors?
The impression human vision gives
Broad lighting
Additive (R - G - B)
90 degrees. If using to eliminate reflections - it should be used at 35 degrees.

20. What is the usable exposure range - or range of subject brightness called?
factor of 2 = 1 stop compensation. (Each time a factor doubles - it's one additional stop)
Dynamic range
Aperture-Priority
Infinity

21. What is gamut?
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.
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.
1 1/3 stops
The entire range of colors that can be seen - reproduced - or captured. Our eyes have a greater gamut than a print or monitor.

22. 8 bits per pixel gives you how many colors?
256
flat - low contrast light
Add blue
ISO

23. What are the effects of top lighting?
Creates deep shadows in eye pockets - under nose - and chin.
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 change in illumination
Metamerism

24. What is a flag?
Absorbs equal quantities of all wavelengths of light. It allows you to use wider apertures or slower shutter speeds without changing color balance.
One stop less
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
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)

25. 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?
Close-ups that are life-size or larger. Images through microscopes are "photomicrographs."
RAID system
Infrared
Use positive exposure compensation (overexposure). A reflected meter reading will attempt to make the scene 18% gray - employ overexposure to adjust.

26. Name 2 ways you can decrease depth of field.
sRGB
1) Use a longer lens; 2) Move closer to the subject
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.
Sensor size - the larger the sensor size - the longer the focal length of a normal lens. (Corresponds to a diagonal line across the frame)

27. when adjusting an image with levels - if you want to make any color neutral quickly - what would you do?
Click with the neutral-point dropper on the selected color
Lasso tool
Add green
Front lighting

28. Daylight is approximately what color temperature?
One stop
Selecting portions of the image based on color
5 -000 Kelvin
Flat lighting

29. Copyright law has certain built-in exceptions that allow for special situations in using copyrighted material. They are called what?
hue/saturation adjustment layer
Broad lighting
Fair Use
White (255)

30. Using this kind of automatic exposure setting on the camera - you set the aperture and the camera sets the shutter speed.
Bit
Aperture-Priority
Follow focus
Blue & Green

31. An image made of pixels is sometimes called what?
Because you can move in close to the subject
A raster image
3200 Kelvin
A new layer

32. What is the optical resolution on a scanner defined as?
Aperture
Yellow
3:1 or 4:1
The pixels per inch a scanner is capable of capturing often described as two numbers (i.e. 1200x2400)

33. What kind of meter is built in to most cameras?
Reflected light meter
Levels adjustment
The difference between light and dark.
Lower

34. What is a Bit?
Infrared
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.
JPEG
flat - low contrast light

35. The useable exposure range of a sensor - or the range of subject brightness is called what?
aperture diameter
To strike the side of the face away from the camera.
Reflected light meter
dynamic range (not to be confused with gamut)

36. What do the bars on the left of a histogram represent?
Subtractive primaries (plus black)
Use and adjustment layer
Butterfly lighting
Black (0)

37. Printers use what set of colors?
Maybe as little as 0.5 degrees or 1 degree
Metadata fields that hold info on photographer - subject - and use.
Subtractive primaries (plus black)
The pixels per inch a scanner is capable of capturing often described as two numbers (i.e. 1200x2400)

38. Using this kind of automatic exposure setting on the camera - you set the shutter speed and the camera sets the aperture.
3200 Kelvin
Shutter-Priority
Maybe as little as 0.5 degrees or 1 degree
Follow focus

39. This stores electronic images captured in a digital camera until they can be transferred to a computer.
Memory card / flash card / compact flash card
1) Use a longer lens; 2) Move closer to the subject
flat - low contrast light
lens-to-subject distance

40. If an image is too blue - what color adjustment should be made in Photoshop to correct it?
Add yellow
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.
Butterfly lighting
four times more

41. How does 'unsharp mask' work?
Metadata
Infrared
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.
(X times Y = exposure) Intensity (aperture) x Time (shutter)

42. A magic wand tool is used for what?
Actual Pixel view
A RAW file that has been altered
Add magenta
Selecting portions of the image based on color

43. A lens set at f/4 admits how much more/less light than one set at f/2.8?
A RAW file that has been altered
One stop
Half as much light
lengthen (or slow) the shutter speed

44. The smallest unit of digital information is called a what?
Zoom lens
Bit
High Dynamic Range
A mirror and pentaprism

45. Tungsten is approximately what color temperature?
Follow focus
sRGB
Selectively blocking light during print exposure to lighten the area
3200 Kelvin

46. 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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47. A ring of thin - overlapping leaves located inside the lens is called what?
Flat lighting
JPEG
90 degrees. If using to eliminate reflections - it should be used at 35 degrees.
The diaphragm - the mechanism that controls aperture.

48. Generally - how much exposure compensation (in stops) should be used when using a polarizing filter?
The amount of information contained in each pixel
1 1/3 stops
The number of pixels per unit of length in a image
1 or 2

49. Maximum depth of field at a given aperture is achieved by focusing at what?
24 bits per pixel (8 per color) - which gives 16 -777 -216 colors
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.
A high contrast image
The pixels per inch a scanner is capable of capturing often described as two numbers (i.e. 1200x2400)

50. What are quad- and hex- tone printing?
Subtractive primaries (plus black)
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.
Inkjet black & white printing where color cartridges are replaced with shades of gray - resulting in smooth tones and slight color cast
Add blue