S5 with sigma 28-70 f2.8

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DimLS Regular Member • Posts: 201
S5 with sigma 28-70 f2.8

Hello all. I have a sigma 28-70 f2.8 an lumix s5. I notice vignetting especially wide open. Using Lightroom/lens correction, when clicking at automatic correction/selecting the lens , the corners get lightened more that the center of the image!! So there is something weird here. Im wondering if without any lens correction the image has already a correction on it or not. At 2.8 vignetting is gross and I would prefer to try to correct it myself.

Panasonic Lumix DC-S5
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