Please note: Last regular shipment before Christmas is on December 19, 2024, after which only express shipments can be sent. Our store is closed on Christmas Eve and New Year's Eve. (Close)
By modifying the Cassegrain design (2 hyperbolic mirrors), the coma can be eliminated in the RC telescope. RC telescopes can be used universally with a moderate aperture ratio. They are very popular. With correctors, they can also be used as astrographs.