grain

These are photos of a blank piece of paper zoomed in on the "grain" to illustrate that high ISO does not cause grainy photos. Full article at https://www.arethere.photos/docnoise

I take product photos for a bedding company, and we shoot inside a home. I use studio strobes, and as far as I know, my camera settings are correct and the photos are well lit. I usually keep the ISO between 200-640 (640 for the darker rooms), and between f/11 and f/22. However, there is still...