I think there has been a misunderstanding lol. Those barrels you see on usb cables and chargers are usually ferrite beads. They are used to reduce electronic noise according to wikipedia. As long as your cable has the right port for your camera, it should be safe to use.
I think there has been a misunderstanding lol. Those barrels you see on usb cables and chargers are usually ferrite beads. They are used to reduce electronic noise according to wikipedia. As long as your cable has the right port for your camera, it should be safe to use.