2012.04.20
SIGMA APO 50-150mm F2.8 EX DC OS HSM F/SIGMA, F/NIKON
SIGMA APO 50-150mm F2.8 EX DC OS HSM F/SIGMA and F/NIKON scheduled to start shipping this month.
http://www.sigma-photo.co.jp/english/lens/discontinued/50_150_28/
Please contact your nearest country representative regarding stock availability.