Hi there. I have the SX170, which has the aperture range of 3.5 - 8.0 (W) and 5.9 - 8.0 (T).Since CHDK allows me to set it to 2.8 (there are even some negative values to choose!), is that setting actually possible? Or 3.5 is the hardware limit?
Sounds noobish, but I'm afraid I'll damage the aperture mechanism if I set it below or above its designated limit.
The Canon firmware doesn't expose that option because it's not very useful.
So basically, can I use Av override to have, for example, 3.5 on max zoom?
And the values are weird (there are even negative ones), I can choose these, in this order:2.88, 3.02, 3.46, 4.05, 4.44, 4.95, 5.57, 6.08, 31.36, -5.-14, 8.62, -9.-38, 26.93, 18.22, 32.51, 7.09, 10.66, -18.-76
Somehow this override doesn't seem to be of any practical use to me. Yet.
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