Possibly. It's not proven that Vermeer used any device, though it does seem likely. The Camera Lucida was extremely obscure in Vermeer's time, so it's less like

Possibly. It's not proven that Vermeer used any device, though it does seem likely. The Camera Lucida was extremely obscure in Vermeer's time, so it's less likely he used one than the (much older and simpler) Camera Obscura.