It's a misunderstanding in common with him and at least one other I know of. I'm not sure where they got the idea from, but it was not from reading Calvin. Here is a collection of Calvin quotations from an old thread relevant to the position: https://www.puritanboard.com/threads/2nd-commandment-images-of-Christ-calvin.82806/#post-1040165Wow. I thought Sproul got his argument from Calvin. I guess not.
This article is useful against images of Jesus: https://ccrpcorg.s3.amazonaws.com/Articles/Pictorial Representations of Christ-final.pdf