Sigma has confirmed the release date of the high-performance APO 120-400mm F4.5-5.6 DG OS HSM telephoto zoom lens. The first versions to hit the market will be the Canon mount and Sigma mount, scheduled for release on April 26th, with expectations that these mount versions will also be available in major markets by late April. The release dates for the Sony, Nikon, and Pentax versions have yet to be determined. The lens is expected to be priced at 109,935 yen.