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Sony A7R V: Mitigating Noise, Optimizing Exposure at Base ISO

The Sony A7R V has a base ISO of 100. But even at base ISO, auto-exposure metering frequently throws away a stop of headroom, greatly increasing the noise level of the captures, and even in moderately bright areas of the image. This shows up mostly as chroma noise—discolored speckles that pollute the color rendition.

An ETTR exposure is best, but we all make exposure mistakes. This page walks through one such mistake of mine, showing the camera histogram, the actual raw file histogram, and what can be achieved using Adobe Camera Raw Enhance Details + AI Denoise to improve image quality. While it’s only off by a stop or so, the effects on image noise can be readily seen.

In diglloyd Mirrorless:

Sony A7R V: Mitigating Noise, Optimizing Exposure at Base ISO

Includes camera and raw file histograms, plus full-size images in color and monochrome plus select crops, all without and with AI Denoise. And what to do about it all.

CLICK TO VIEW: World Class Lenses for Sony Mirrorless

Crop showing noise vs corrected

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FUJIFILM GF 20-35mm f/4 R WR Lens
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