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-   -   Remote capture. (https://forums.steves-digicams.com/canon-21/remote-capture-139732/)

dwssas Apr 11, 2008 5:55 PM

Has anyone figured an inexpensive way, other than a 50 dollar signal booster, to increase the tether from the computer to the camera? Seems like 16 feey is the max and I need 25-30 feet.

Kenny_Leong Apr 17, 2008 5:54 PM

Probably very difficult or even impossible to get around this, because I read from wiki that : "The maximum length of a standard USB cable is 5.0meters (16.4ft). The primary reason for this limit is the maximum allowed round-trip delay of about 1500 ns. If a USB device does not answer to host commands within the allowed time, the host considers the command to be lost.....//...the maximum delay caused by a single cable turns out to be 26 ns"

I think that an extra powered hub will be needed to get more than 5 metres. The 5 metre limitation is related to timing of data signals in the specifications of USB. Not due to signal loss etc.


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