Maybe one of these similar products would be of interest:-

Sigma 70-300mm f4-5.6 APO Macro DG Lens For Sony Digital SLR Cameras-Black

Sigma 70-300mm f4-5.6 APO DG Macro For Nikon Digital & Film Cameras-Black

Hila Sigma 18-300mm f/3.5-6.3 DC Macro OS HSM 2.2X High Definition Super Telephoto Lens (The Sigma 18-300mm f/3.5-6.3 DC Macro OS HSM Lens, Includes Ring)

Sigma 120-300mm f2.8 DG OS HSM Lens for Sigma SA

Sigma 28-300mm IF DL Hyper Zoom Lens for Nikon & Hoya Pro1 MC filter + case