Maybe one of these similar products would be of interest:-
Digital Nc Manual Focus High Power 1000mm Lens Compatible with Sony Alpha DSLR-A55
Digital Nc Manual Focus High Power 1000mm Lens Compatible with Sony Alpha DSLR-A350
Digital Nc Manual Focus High Power 1000mm Lens Compatible with Sony Alpha DSLR-A230
Digital Nc Manual Focus High Power 1000mm Lens Compatible with Sony Alpha DSLR-A300