優點:
Comfortable price with semi-professional quality and function.
缺點:
F5-6.3, quite heavy, not too sharp
評價:
Honestly, if you willing to spend 20K+ for a Tele-Zoom, this Sigma lens have no value.
If you have budget problem, this Sigma Lens provide a \"見得下人\" quality.
http://www.sigma-photo.co.jp/english/lens/tele/150_500_5_63.htm
http://www.fouroaksonline.co.za/content/reviews/sigma-150-500.php