EXCERPT page containing first few paragraphs. 2022-08-17 23:56:04
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This page looks at performance of the Panasonic Lumix S PRO 70-200mm f/4 OIS at 87mm on a demanding planar (flat) target at medium distance. This particular subject lays bare all lens weaknesses, but particularly micro contrast and sharpness across the frame.
Presented at up to 93 megapixels (1.414X linear reduction from 187MP) using an approach similar to that documented in Workflow for Multi-Shot High-Res Mode Images in Adobe Camera Raw.
Shot in Multi-Shot High-Res mode on the Panasonic S1R, sharpness and micro contrast at sensor resolution will always be superior when downsampling from 187MP High-Res mode to 47MP than for a single-frame capture at sensor resolution.
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- Aperture series from wide open through stopped down, showing the full range of lens performance and bokeh.
- Optical quality analysis of field curvature, focus shift, sharpness, flare, distortion, and performance in the field.
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