Pany 100-300mm on E-M5

Started Sep 5, 2012 | Discussions thread
peevee1
Senior MemberPosts: 5,079Gear list
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Re: Its the aperture
In reply to zabatman, Sep 10, 2012

zabatman wrote:

http://fourthirds-user.com/2012/07/fast_frame_rate_problem_with_panasonic_lumix_100300_zoom.php

From the article:

"When shooting with Panasonic's G Vario 100-300mm f/4-5.6 fitted to an Olympus OM-D E-M5 recently I noticed that sometimes the E-M5 wasn't shooting at the full continuous frame rate of 9 or even 10 frames per second that we have measured before. It seems that we were not alone as the issue has been documented elsewhere.

So we decided to investigate. Panasonic in Japan are, thankfully, very candid about the technical limitations of their gear and I was promptly provided with a simple technical evaluation of the problem. Basically, the aperture actuation mechanism in the 100-300 is not fast enough to keep up with the high speed continuous shooting frame rate of the E-M5. This slows the frame rate down and at f/22 the maximum frame rate can drop to around 4fps."

Sounds like total BS, because at High sequential shooting both exposure and focus are locked at the first shot, so nothing in the lens has to move between those "9 fps" shots.

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