Introduction

This blog is a user's perspective on the Micro Four Thirds camera system. Read more ...

Lens Buyer's Guide. Panasonic GH4 review.

My lens reviews: Olympus 9mm f/8 fisheye, Lumix G 12-32mm f/3.5-5.6, Leica 25mm f/1.4, Lumix X 12-35mm f/2.8, Lumix X 35-100mm f/2.8, Sigma 30mm f/2.8, Sigma 19mm f/2.8, Lumix X PZ 14-42mm f/3.5-5.6, Lumix X PZ 45-175mm f/4-5.6, Olympus M.Zuiko 45mm f/1.8, Panasonic Lumix G 100-300mm f/4-5.6, Panasonic Leica Lumix DG Macro-Elmarit 45mm f/2.8 1:1 Macro, Panasonic Lumix G 45-200mm f/4-5.6, Panasonic Lumix G 20mm f/1.7 pancake, Panasonic Lumix G 14mm f/2.5 pancake, Panasonic Lumix G HD 14-140mm f/4-5.8, Panasonic Lumix G HD 14-140mm f/3.5-5.6, Panasonic Lumix G 8mm f/3.5 fisheye, Lumix G 7-14mm f/4, Samyang 7.5mm f/3.5 fisheye, Tokina 300mm f/6.3 mirror reflex tele, Lensbaby 5.8mm f/3.5 circular fisheye lens
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Sunday 25 January 2015

New firmware for Lumix 35-100mm

Panasonic recently announced a new firmware for the Lumix X 35-100mm f/2.8 pro grade tele zoom lens (my review). Click here to download the firmware version 1.2.

Here is the lens mounted to the Lumix GH4:


So what exactly does this firmware update do? If you follow online forums, you will see some few, but quite vocal, people complain about "micro jitters" when recording video using this lens. Based on the press release explanation from Panasonic, it might appear that the firmware addresses this issue:



"Improved the stability of O.I.S.[Optical Image Stabilizer] in Motion Picture recording (When using DMC-GH3/GH4)".

To test the effect of the firmware upgrade, I recorded movies both before and after the upgrade, to be able to directly compare the results. The videos were recorded in 1080p mode, at 60FPS. T be able to see any "micro jitters", should they appear, I used the largest aperture, f/2.8, for the fastest shutter speed. That should allow you to see any instability, rather than burying it in motion blur.

Here are the comparison videos, with firmware 1.1 to the left, and firmware 1.2 to the right:



When recording, I held the camera at waist level, looking down into the viewfinder:


It does look like the video stream made after the firmware upgrade is more stable. It seems more calm.

Some have complained that the same problem can be found also with the newer Lumix G HD 14-140mm f/3.5-5.6 super zoom lens, that it too suffers from a vibration when recording videos. Perhaps Panasonic will address this alleged issue with a firmware upgrade later?

1 comment:

  1. I was in an ideal position to test this- shooting the same scene three weekends in a row with the 35-100 and GH3, the first two before the update was released, the third after.

    I noticed a very welcome improvement in the IS which happily coincided with getting my shot. For me it's a great improvement and enough to stop me lusting after the Olympus 40-150!

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