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Powershot SX20 IS Thoughts?

Started Feb 18, 2021 | Discussions thread
I2K4
I2K4 Senior Member • Posts: 1,441
Re: Powershot SX20 IS Thoughts?
1

keric205 wrote:

...

BTW, I havnt found a way to install chkdk on it. From what I've read on the net it seems quite complicated and techy, apparently you cant boot from the SD card.

kerica

Really nice sunset Acropolis.  I recall walking up there, but never saw that view of it.

The main thing you'd get from CHDK is RAW/DNG which let's you shoot underexposed, even to where there's little to see on the screen, but able to pull it back out in post-processing.   It also provides a live histogram and exposure blinking, extended Tv, ISO and Av settings, and scripts for time lapse, etc.

CHDK is bootable and entirely installed on a 4GB card (larger cards require fancy partitioning) and doesn't affect the camera's firmware at all.  The camera operates normally when CHDK is disabled.  As you say, it's a bit nerdy to follow the installation steps , though it's simpler these days than when I first did it a decade ago.  (As I wrote above, because the SX20 increased sensor size and video resolution on the same Digic processor and RAM resources as SX10, I recall reports that some CHDK functions didn't work right.)

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