This is a continuation in a series of posts on power consumption in the Sony a7RII. The more recent incarnation of the series starts here. A reader asked me to look into the a7RII battery current with a USB charger attached. Here’s the startup cycle under those conditions with a close-to-fully charged batter attached: The… [Read More]

This is a continuation in a series of posts on power consumption in the Sony a7RII. The more recent incarnation of the series starts here. I reported on my battery current measurement setup here. In the last few days, I’ve refined it somewhat, and I’d like to document what I’m doing here, because my techniques… [Read More]

This is a continuation in a series of posts on power consumption in the Sony a7RII. The more recent incarnation of the series starts here. I reported on the battery draining effects associated with turning on IBIS in the Sony a7RII earlier, and found little effect. In a comment (the point of which eluded me… [Read More]

This is a continuation in a series of posts on power consumption in the Sony a7RII. The more recent incarnation of the series starts here. While I was doing the regression testing associated with the firmware upgrade to 3.3, I decided to take a look at the battery current during senor cleaning, which I’d not… [Read More]

This is a continuation in a series of posts on power consumption in the Sony a7RII. The more recent incarnation of the series starts here. As I’ve mentioned before, I had been doing all my current draw testing on the a7RII with firmware (FW) 2.0. I upgraded to FW 3.3 and did some regression testing,… [Read More]