Why Are My Raw Photos Grainy and How to Fix It photographyprojections.com/why-are-my-raw-photos-grainyPrivate View Raw photos can appear grainy due to high iso settings or low-light conditions. This can result in unwanted noise and pixelation in the image. When capturing photos in less-than-ideal lighting conditions, the camera may automatically adjust the iso to compensate for the lack of light. This can result in a grainy or noisy appearance in the final ...