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1) Low light situations often require the photographer to makes some sort of trade off. The choice commonly involves the use of a higher ISO to allow for faster shutter speed. What’s sacrificed at ISOs of 1600 or more?
a. Image sharpness, meaning clarity of focus
b. Image quality, meaning loss of color and increased pixilation
c. Depth-of-field, meaning the area in front of and behind the subject that is in focus
d. Exposure, meaning images typically look under exposed
e. All of the above
2) TRUE or FALSE: The exposure meter in most cameras is accurate to within only about +/- two F/stops. That is almost a four F/stop range! Meters are easily fooled by strong light sources, reflective surfaces and cannot anticipate the creative choices of the photographer. To get consistently good exposure the photographer must manage exposure manually and adjust constantly
3) If you want to be sure and freeze the motion of demonstrators protesting outside of the UN, a safe shutter speed would be (it can be more than one):
a. 1/125 of a second
b. 1/1000 of a second
c. 1/15 of a second
d. One second
e. none of the above
4) TRUE or FALSE: As a general rule, it’s best to expose for the shadows. Meaning, given the limited dynamic range of digital cameras, best to err on the side of overexposing and then reducing the highlights in Photoshop.
5) You are taking pictures of a juggler in Central Park. It’s a sunny afternoon. Your camera is set to an ISO of 800 your aperture is F/5.6 , your shutter speed is 1/1000 of second and your exposure is good. But, you’d like to freeze the juggler’s torso and get some motion on the balls in the air and on his arms. First you set your camera up for a shutter speed of 1/60 sec. but you enlarge the image in the viewfinder and he’s moving too fast (you see the blur). You try 1/125 of sec. and that seems to work. What will your ISO and aperture be?
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