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by clabacchio

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2
votes
3answers
121 views

Are there any DSLRs which can charge the battery via USB?

My beloved Nikon D40 has an issue where the battery drains ridiculously fast. New OEM batteries and changers don't help, so I think I need to replace the body. Since almost all non-DSLR cameras out ...
2
votes
2answers
470 views

Will a higher-amperage USB charger let me fast charge a Nikon battery?

I've a Nikon P330. Its USB charger is 5V/550mA and the manual says the following about charging the battery inserted in the camera through USB: About 4 hours and 30 minutes are required to charge ...
10
votes
3answers
2k views

Does a camera tethered draw power over USB?

I plan to use my Canon 50D in a studio, tethered to a PC. It would be great if it drew the power it needed from the USB bus rather than from the battery, so I wouldn't need to worry about changing ...