Yup - it's a higher priority to capture visible, infrared and ultraviolet. Plus, the design of Cassini design of Cassini started in the 1980s and many of the p

Yup - it's a higher priority to capture visible, infrared and ultraviolet. Plus, the design of Cassini design of Cassini started in the 1980s and many of the part decisions would have been made then - even then they would have favored rugged, tried-and true technology over anything cutting edge. Actual launch was 1997.