From what I understand, CCIP tell me if I'm wrong, the numbers reflect the field of view of the lens. So if you want to get real close and see a large area you would use 120 or 120-degree view, i.e. a wide angle lens. If you want to compress things and get a sense of scale you need a shorter field of view, 20 or so. This gives you the effect of a telephoto lens.
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I gotta be REALLY close to hear explosions with new camera.
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The reason for this is if you are using a narrow field of view, i.e. 10, you are actually looking at the object from a greater distance than if you were using a larger field of view, i.e. 110. Think of it this way, with 75 (default) you see a 75 degree view of things from a medium close distance. If you bump it up to a 10 you are now looking through a telescope. You can see the object much larger but you are still just as far away. If you bump it down to 110, the object is just a speck on the horizon because now you are looking at it without the aid of any magnification.
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"I'm not familiar with photography lens settings, so I'll have to experiment."
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I am a photographer so I understand what is going on. This same understanding is available to anyone. Check out
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