Steve's Photo Site

Manufacturers and Importers

Canon Nikon Fuji Kenro
Olympus Sony Leica Cameras Tamron (USA)
Panasonic   Sigma Tamron (UK Importer)

Hardware

SRB-Griturn Makers of bespoke adapters such as reversing rings and coupling rings.

Retailers

Jessops  
Wex Photographic Used to be Warehouse Express.