Have you experimented with what the Canon S5 is capable of doing with it's "standard" lense?
Specs say the supplied lense is a 12x Optical Zoom, with a 4x Digital Zoom;
Combined that's 48x Zoom ...
That otta be enough ZOOM-power to count the stitches on the ball from the end zone.
Shutter speed ranges from 15 sec to 1/3200 sec ...
that's fast enough to freeze a hummingbird's wings!
I'd say you have enough ZOOM and Speed to handle a football game ...
maybe a long session curled up with the Camera's Instruction Book would be in order.
Specs:
Type of Camera
Compact digital still camera with built-in flash,
12x Optical / 4x Digital /
48x Combined Zoom
with Optical Image Stabilizer (IS) System
Image Capture Device Type
8.0 Megapixel, 1/2.5 inch type Charge Coupled Device (CCD)
Total Pixels
Approx. 8.3 Megapixels
Effective Pixels
Approx. 8.0 Megapixels
6.0-72.0mm f/2.7-3.5 (35mm film equivalent: 36-432mm)
4x
Normal: 1.6 ft./50cm-infinity (WIDE), 3.0 ft./90cm-infinity (TELE)
Macro: 3.9 in.-1.6 ft./10-50cm (W)
Super Macro: 0-3.9 in./0-10cm (W)
---------------
Aperture and Shutter Maximum Aperture
f/2.7 (W) - f/3.5 (T)
Shutter Speed
15-1/3200 sec. (settable in Tv and M)
TTL Autofocus
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