water-telescope
Water telescope. 1. (Optics) A telescope in which the medium between the objective and the eye piece is water instead of air, used in some experiments in aberration. 2. A telescope devised for looking into a body of water.
Water telescope. 1. (Optics) A telescope in which the medium between the objective and the eye piece is water instead of air, used in some experiments in aberration. 2. A telescope devised for looking into a body of water.