High ISO or underexpose?

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Cheshire-Chris New Member • Posts: 21
High ISO or underexpose?

I have a Nikon D7200, and always shoot in RAW mode. I often shoot in museums, which generally have very low light levels, and don't allow tripods or flash to be used. Until now, in order to get manageable exposure times I've been cranking the ISO up to 3200, but this often results in very noticeable noise in my images.

I was wondering if I'd be likely to get better images if I were to lower the ISO to 800 (at which level noise is negligible), underexpose by two stops (which would then give me the same exposure times as using ISO 3200), and then add the two stops of exposure back again in Lightroom. Would this be likely to give me cleaner images than shooting at ISO 3200?

Any advice would be greatly appreciated.

Chris

Nikon D7200
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