80D with Irix 150 macro (2.8)

Started 1 month ago | Questions thread
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DuogL New Member • Posts: 2
80D with Irix 150 macro (2.8)

With a fully charged battery, the battery depletes after 2-3 days even with power off (not sleep mode). I have tried both new and old batteries.  That lens is manual focus with aperture control.

is there any way a lens can run the battery down even when the camera is powered off?

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