New Sigma observation

Started 2 months ago | Discussions thread
hikerdoc Senior Member • Posts: 2,741
Compromise optics for weight reduction?

Carefully read their press release for new 85. They mention several times that the lens integrates well with camera distortion correction software allowing for a smaller lighter lens. They seem to be saying the news lens will not be as strong from a purely optical standpoint, but will depend on the camera to correct aberrations. The previous Art series seemed to focus on achieving stellar optical performance rather than depending on software corrections, but at the expense of size and weight. Nikon is apparently using the same software correction philosophy with some new S line lenses. Pentax seems to be going the other way with their new 85. Some Pentaxians get agitated if the potential of reliance on any distortion correction software is even mentioned for that lens.

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