Can’t delete files off SD card? How to fix
I’ve used a 32G SD card for several years with no problem. This morning I tried to delete some folders from it and found that there was not “Move to Trash” selection in the menu.
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iPhoto corrupting photos
I’ve always liked the streamlined workflow of iPhoto for rapid color correcting, cropping and straightening my photos before I upload them to Flickr. So I was dismayed to find after upgrading to version 9 that it
Continue readingThe Canon point-and-shoot space telescope.
Last night’s harvest moon was so big I couldn’t resist trying to get a shot of it with my little camera, a Canon powershot SX210IS.
It’s easier to take pictures of the moon with a point-and-shoot camera in the afternoon, because there is very little contrast between the sky and the moon itself. Here’s an afternoon shot taken a few months ago. This was hand-held, at maximum zoom, using the automatic settings. Exposure was .02 sec (1/50), ISO 80. The craters are clearly visible.
Add features to your Canon Camera with CHDK
Images from a flickr gallery devoted to CHDK (these are not my images!)
I’ve experimented with all the features on my Canon point-and-shoot camera, but one thing it is missing that would be very nice to have is auto-exposure bracketing, so I could create HDR images more easily.
It turns out there is an alternate operating system, CHDK, or “Canon Hack Development Kit,” that you can install on an SD card. When the camera boots up with it, lots of new features are available. It doesn’t hurt the camera, and disappears the minute you boot up without the special SD card.
CHDK makes it possible to do some camera hacking by writing scripts in BASIC that can be run on your camera.
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