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]

This is an aside to a  series of posts on power consumption in the Sony a7RII. The more recent incarnation of the series starts here. I was recently surprised by one of the scope traces that I made as part of the a7RII current draw tests:   I turned on the camera at the far… [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. Using the methods that I developed over the last few days, I took a look at the Sony a7RII battery current draw when autofocus (AF) is used. I mounted a… [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. Yesterday, at the end of a post about my battery current testing methodology, I showed you my new technique for relatively high-speed dynamic measurements. Today, I’ll show you what happened… [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’ve been telling you all about what I’ve been finding out about the a7RII battery draw under various conditions. It’s time I showed you how I’m doing the testing. Warning:… [Read More]