Fig. 6From: Conceptual design of the optical system of the 6.5m wide field multiplexed survey telescope with excellent image qualitya Schematic of the designed WFC of MUST. b The ADC consists of two wedged lenses, L3 and L4. c L3 and L4 will rotate in opposite directions to compensate for the atmospheric dispersion. d ~ g Deformations of the front surface of lens L1 caused by the gravity in the axial and radial directions at the 0° and 90° zenith angles. h ~ k Deformations of the back surface of lens L1 caused by the gravity in the axial and radial directions at the 0° and 90° zenith anglesBack to article page