A7R with sel10-18.. issues with long exposure shots OSS on?

Started Jul 2, 2014 | Discussions thread
seachicken2000 Veteran Member • Posts: 3,214
Re: A7R with sel10-18.. issues with long exposure shots OSS on?

Sush15 wrote:

I wonder if images will be sharper even during daylight and walking around with these lens oss turned off. Some of the dusk photos still look shakey while pixel peeping. Less obvious than the night tripod shots.

At dusk I would have thought it's better to leave OSS on if you're shooting handheld. I am pretty convinced it works well.

I am suspicious of the OSS sometimes however. I believe it works by de-centering the lens, and I have some images taken in very good light with OSS, where one edge of the image is unusually soft. This is not a fault with the lens as the copy of the lens I have is typically sharp corner-to-corner in all four corners. Here's an example. The whole of the right side is soft, and the lens is at f/8 where normally it would be sharp. OSS is the only explanation I can think of.

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