Maybe one of these similar products would be of interest:-
Vivitar 420-800mm f/8.3 Manual Focus Telephoto Zoom Lens (T Mount)
Vivitar Vivicam 6300 Silver 6.0 Megapixels Digital Camera 4x Zoom
Vivitar 420-800mm f/8.3 Manual Focus Telephoto Zoom Lens (T Mount)
Vivitar Vivicam 6300 Silver 6.0 Megapixels Digital Camera 4x Zoom