Currently on consignment is a Sigma 150mm APO Macro EX lens.
I took it out to a balcony in North Sydney to test it out
Click on the pictures for bigger resolution.
I shoot on Fujifilm Superia 400 with a Nikon F5 film camera (it finds perfect exposure every time in Aperture priority mode). This lens is incredibly sharp and renders a very pleasant flat image with very little noticeable aberration.
Good work Sigma!
Photographs copyright http://www.mattsitas.com 2013