What would virtual image produced by convex lens? Why doesn't virtual image drawn on a screen? - Quora
66.From ray diagram show the (1) image formation by concave lens for the object at focus. (2) image formation by concave lens for the virtual object at focus
![optics - How can a lens combination take the image of the first lens as a virtual object for the second lens? - Physics Stack Exchange optics - How can a lens combination take the image of the first lens as a virtual object for the second lens? - Physics Stack Exchange](https://i.stack.imgur.com/SJCyF.png)
optics - How can a lens combination take the image of the first lens as a virtual object for the second lens? - Physics Stack Exchange
![Optical ray diagram of dual-lens operation. A magnified virtual image... | Download Scientific Diagram Optical ray diagram of dual-lens operation. A magnified virtual image... | Download Scientific Diagram](https://www.researchgate.net/publication/261174912/figure/fig2/AS:296835727020032@1447782560046/Optical-ray-diagram-of-dual-lens-operation-A-magnified-virtual-image-of-OL-first.png)