21 Feb, 2012
PRESENTATION: An astronomical telescope may be obtained by combining two aligned converging lenses if the distance between them is equal to the addition of their focal distances. A virtual image of a very distant object, inverted and enhanced can be created.
- Astrophotography on the Cheap, Chuck Niederriter and Mario Belloni, Phys. Teach. 50, 520 (2012)
- Seeing the Moon, Karen Bouffard, Phys. Teach. 38, 526 (2000)