Some sample shots from Biogon 28mm:

Zeiss 28mm f2.8 Biogon Portland Sat Market 47 by Anh Tri, on Flickr


Zeiss 28mm f2.8 Biogon Portland Sat Market 44 by Anh Tri, on Flickr


Zeiss 28mm f2.8 Biogon Portland Sat Market 42 by Anh Tri, on Flickr


Zeiss 28mm f2.8 Biogon Portland Sat Market 39 by Anh Tri, on Flickr


Zeiss 28mm f2.8 Biogon Portland Sat Market 35 by Anh Tri, on Flickr


Zeiss 28mm f2.8 Biogon Portland Sat Market 33 by Anh Tri, on Flickr


Contax Zeiss Biogon Iris Gard00022 by Anh Tri, on Flickr


Contax Zeiss Biogon Iris Gard00037 by Anh Tri, on Flickr