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. An 8x10 at 240 dpi will have a resolution of what?
1920 pixels by 2400 pixels (4.6 million pixels)
Shutter-Priority
aperture diameter
flat - low contrast light

2. Sharpness from near to far is controlled by what?
Parallax
1) Magnification - or the size of the subject; 2) Angle of view
1920 pixels by 2400 pixels (4.6 million pixels)
Aperture

3. A technique used to maintain sharp focus on a subject that is moving toward you is called what?
ISO
Follow focus
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.
The amount of information contained in each pixel

4. Perspective is affected by what?
lens-to-subject distance
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.
Glossy paper
The amount of information contained in each pixel

5. What kind of film can help reduce haze in a landscape?
Infrared
Actual Pixel view
Close-ups that are life-size or larger. Images through microscopes are "photomicrographs."
On a scanner; it guesses what the pixels look like in between the ones the scanner can actually measure.

6. A color image with smooth gradiations requires at least what bit depth?
Short lighting
24 bits per pixel (8 per color) - which gives 16 -777 -216 colors
Add magenta
Close-ups that are life-size or larger. Images through microscopes are "photomicrographs."

7. Doubling the aperture setting creates how many stops difference in the amount of light reaching the sensor?
Cyan
Selectively blocking light during print exposure to lighten the area
1920 pixels by 2400 pixels (4.6 million pixels)
One stop

8. What is the inverse square law?
The sensor that converts the image from analog to digital (1's and 0's) CCD=charge coupled device; CMOS=complementary metal-oxide semiconductor
High Dynamic Range
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.
Along the lines of an imaginary grid at intersecting points that divide the image into thirds horizontally and vertically

9. What determines what will be a 'normal' focal length lens on a particular camera?
Similar to a normal lens at about 30 degrees
hue/saturation adjustment layer
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.
Sensor size - the larger the sensor size - the longer the focal length of a normal lens. (Corresponds to a diagonal line across the frame)

10. Cyan is composed of equal parts of what two colors?
Blue & Green
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
JPEG
dynamic range (not to be confused with gamut)

11. A tall vertical line on the right hand edge of a histogram indicates what?
Blown highlights
Use positive exposure compensation (overexposure). A reflected meter reading will attempt to make the scene 18% gray - employ overexposure to adjust.
Soft proofing
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.

12. What is dodging?
Selectively blocking light during print exposure to lighten the area
24 bits per pixel (8 per color) - which gives 16 -777 -216 colors
90 degrees. If using to eliminate reflections - it should be used at 35 degrees.
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.

13. What kind of meter is built in to most cameras?
Reflected light meter
White (255)
Snoot
5 -000 Kelvin

14. What angle should a polarizing filter be to the sun for best results?
90 degrees. If using to eliminate reflections - it should be used at 35 degrees.
5000K
The number of pixels per unit of length in a image
Actual Pixel view

15. What does the term "stop" mean?
A change in illumination
The diaphragm - the mechanism that controls aperture.
Parallax
1) Magnification - or the size of the subject; 2) Angle of view

16. A histogram shows what in an image?
Yellow
Total number of pixels
The brightness of all the pixels in an image
5 -000 Kelvin

17. According to the rule of thirds - where should the important parts of an image fall?
Metadata fields that hold info on photographer - subject - and use.
Along the lines of an imaginary grid at intersecting points that divide the image into thirds horizontally and vertically
Front lighting
Broad lighting

18. What does ISO stand for?
Selectively increasing print exposure - which will make select parts of the image darker
International Organization for Standardization
The distance between the lens rear nodal point and the focal plane when the lens is focused at infinity.
stopped down

19. What is the best color profile for web images?
Click with the neutral-point dropper on the selected color
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)
sRGB
1/250th

20. What is TTL?
It increases
Half as much light
Use negative exposure compensation (underexpose). The meter will attempt to make the dark scene 18% grey - underexpose to bring it back to dark.
Through the Lens. A camera that can automatically control flash exposure using sensors inside the camera.

21. What is the term used to describe data contained in a digital image?
lens-to-subject distance
Absorbs equal quantities of all wavelengths of light. It allows you to use wider apertures or slower shutter speeds without changing color balance.
Metadata
JPEG

22. Contrast measures what in a print?
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 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).
The difference between light and dark.
Magenta

23. Using this kind of automatic exposure setting on the camera - you set the shutter speed and the camera sets the aperture.
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
Click with the neutral-point dropper on the selected color
Soft proofing

24. The term "ISO speed" is used to describe what?

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25. What color is opposite Red on the color wheel?
Cyan
Add magenta
Incident light meter
Along the lines of an imaginary grid at intersecting points that divide the image into thirds horizontally and vertically

26. If an image is too red - what color adjustment should be made in Photoshop to correct it?
Magenta
Add cyan
Infinity
Through the Lens. A camera that can automatically control flash exposure using sensors inside the camera.

27. Can you save layers in a JPEG file format?
Yellow
Soft proofing
Use positive exposure compensation (overexposure). A reflected meter reading will attempt to make the scene 18% gray - employ overexposure to adjust.
No

28. If an image is too magenta - what color adjustment should be made in Photoshop to correct it?
Add green
Close-ups that are life-size or larger. Images through microscopes are "photomicrographs."
Memory card / flash card / compact flash card
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.

29. The amount of motion blur in an image will increase if you do what?
lengthen (or slow) the shutter speed
JPEG
Aperture
Metadata fields that hold info on photographer - subject - and use.

30. A lens with a very wide angle of view and produces barrel distortion is what kind of lens?
Fisheye
Absorbs equal quantities of all wavelengths of light. It allows you to use wider apertures or slower shutter speeds without changing color balance.
8 bits
Click with the neutral-point dropper on the selected color

31. When mixed in varying proportion - the subtractive primary colors produce what?
Selecting portions of the image based on color
Soft proofing
To strike the side of the face away from the camera.
All colors

32. What is an element and where is it found?
3:1 or 4:1
The impression human vision gives
A simple lens with two curved sides or one curved and one flat side; found in a compound lens.
Memory card / flash card / compact flash card

33. The quantity of light that reaches your sensor is controlled by what?
The diaphragm - the mechanism that controls aperture.
Broad lighting
Shutter speed & aperture
lengthen (or slow) the shutter speed

34. If an image is too blue - what color adjustment should be made in Photoshop to correct it?
Metadata fields that hold info on photographer - subject - and use.
The distance between the lens rear nodal point and the focal plane when the lens is focused at infinity.
Add yellow
Incident light meter

35. What is the suggested shutter speed to stop action of a child running parallel to the film plan - about 25 feet from the camera?
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.
1/250th
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.
Use positive exposure compensation (overexposure). A reflected meter reading will attempt to make the scene 18% gray - employ overexposure to adjust.

36. What kind of lighting patter is useful to narrow a face?
Metadata
Short lighting
Yellow
Blue

37. To emphasize texture in a portrait - what kind of light source is recommended?
White (additive primaries are Red - Green Blue)
Small light source at an angle to the subject
8 stops
Front lighting

38. If an image is too yellow - what color adjustment should be made in Photoshop to correct it?
Very wide at about 180 degrees
Add blue
A RAW file that has been altered
Cyan

39. The histogram of a properly exposed grey card will show a vertical bar where on the histogram?
factor of 2 = 1 stop compensation. (Each time a factor doubles - it's one additional stop)
Selectively blocking light during print exposure to lighten the area
Click with the neutral-point dropper on the selected color
In the middle

40. Convex lenses cause light rays to do what?
bend toward each other and converge at the focal point.
Short lighting.
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.
Blue

41. An SLR camera uses what to allow you to see exactly what you'll photograph?
1 or 2
Use and adjustment layer
Add green
A mirror and pentaprism

42. If your print will be viewed mostly under window light - what is the suggested Kelvin temperature of the lights you should use to evaluate your print?
Small light source at an angle to the subject
It increases
5000K
White (255)

43. Printers use what set of colors?
Small light source at an angle 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.
Subtractive primaries (plus black)
Blue & Green

44. This viewing option gives you the most accurate version of your image in Photoshop.
Actual Pixel view
Internet = 72 dpi; Newspaper = 150 dpi; Photographic print = 240-300 dpi; Gloss magazine = 400 dpi
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.
1 1/3 stops

45. An image made of pixels is sometimes called what?
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.
A raster image
Broad lighting
Lower

46. To minimize facial wrinkles - this type of lighting is best.
Front lighting
8 bits
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.
One stop

47. 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?
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.
Creates deep shadows in eye pockets - under nose - and chin.
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)
Yellow

48. What angle of view does a spot meter read?
factor of 2 = 1 stop compensation. (Each time a factor doubles - it's one additional stop)
No change. The EXPOSURE doesn't change or it would also change the background as well. Move the lights to adjust.
Maybe as little as 0.5 degrees or 1 degree
8 stops

49. This technique allows you to keep a subject that is moving toward you well focused.
Curves adjustment; Levels adjustment; Brighteness/Contrast adjustment
Yellow
8 bits
Follow focus

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

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