joel_m_miller Posted July 1, 2003 Share Posted July 1, 2003 I spent a few hours taking pictures with Canon's Remote Capture app on a Mac PowerBook. The 10D's battery did not seem to run down. Could it be that when the 10D is connected by USB to a computer port that provides power (some do and some, I think, don't), it runs off this power instead of its internal battery pack? (Or maybe I just didn't take as many pictures as I thought). Link to comment Share on other sites More sharing options...
dmarks Posted July 1, 2003 Share Posted July 1, 2003 No,this is a data cable,not a power cable. Link to comment Share on other sites More sharing options...
jim_larson1 Posted July 1, 2003 Share Posted July 1, 2003 The 10D battery is good for several HUNDRED shots. Assuming you use the onboard flash for some of them. I think you would have to really work at draining the battery in a single session. Also, the 10D uses USB 1.0 I was under the impression only USB 2.0 provided component power? I may be wrong on this. Regardless, the 10D will not charge off the supplied USB cable. Link to comment Share on other sites More sharing options...
phil vaughan - yorkshire u Posted July 1, 2003 Share Posted July 1, 2003 I can't answer other than to reassure you that some cameras do. The USB cable isn't only for data, My Canon scanner is powered by it. You can buy mobile phone battery chargers which just plug into USB (how would they turn data into power).My Nikon P&S claims to use USB power when connected, however it still runs the battery down. Link to comment Share on other sites More sharing options...
leo_griffiths Posted July 1, 2003 Share Posted July 1, 2003 USB can provide 5V at a relatively low amperage; not enough to power a 10D! Link to comment Share on other sites More sharing options...
carnagex_carnagex Posted July 1, 2003 Share Posted July 1, 2003 USB could provide power for transfering photos to your hard drive. (but file transfer would be the only aspect of power transfer to the 10D it all depends on how the software was written) USB 2.0 and Firewire on the other hand might (barley) provide enough power to run the 10D (minus the flash) unfortunetly it does not come with it. Maybe next time. What's weird is firewire is a free open platform-from apple and now a standard for camcorders (canon was one of the first to use it with their dv camcorder, you would think their pro line would have it as standard, considering file sizes), What's weirder is USB and USB 2.0 from Intel is not free, developers and manufactures have to pay to use it on their products? So why no firewire? Link to comment Share on other sites More sharing options...
whayne_padden Posted July 1, 2003 Share Posted July 1, 2003 Yes USB 1.1 can provide power, but as stated not enough to run a camera. USB 1.1 I think provides a total of 500 mA, which is enough for mice and keyboards and modems. Link to comment Share on other sites More sharing options...
NK Guy Posted July 2, 2003 Share Posted July 2, 2003 >So why no firewire? I'm sure it's marketing. The 10D can't be too much of a threat to the 1D and 1Ds, so it's stuck with USB 1.1 while the pro cameras have FireWire 400. Link to comment Share on other sites More sharing options...
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