ZS40/TZ60 vs the competition

Started 10 months ago | Discussions thread
21st Hermit
Veteran MemberPosts: 5,320
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Re: EVF and Battery Drain
In reply to Aberaeron, 10 months ago

Aberaeron wrote:

panoptic wrote:

"As a test I was able to record a 2:19 H:M continuous video with the FZ47, it was 19GB. The limit was the battery. I would expect the ZS40 to do half that, more than enough. Had an EVF T-Z been available then, I would not own the FZ47."

Using the EVF should extend battery life considerably--less power draw than the screen. Will be interesting to see how much.
Larry Burt
Portland

I wouldn't bank on that. The information I recall is that the EVF uses more energy than the LCD screen.

While doing a Google search (many posts with the question, no answers) I could neither confirm or deny your assertion, some things to consider:

  • An EVF will consume significantly more power than an OVF, because both the sensor and the display must be on to work. In an OVF nothing is on until the shutter is pressed.
  • In live view mode, an OVF camera would have to turn on both the sensor and display
  • The LCD having a larger area to illuminate than an EVF would seem to draw more power, in either case the sensor is on

Please post if you can find THE answer.

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