PK-EOS For Pentax PK K Lens to Canon EOS EF Adapter 50D 600D 1000D 1100D 550D 7D
AU $22.79
And it will magnify the focal length by 1.6 on Canon, 1.5 on Nikon and Sony. Exposure and focus has to be adjusted manually. Anodized Aluminum Construction. Accurate Flange to Focus distances. Made of brass and aluminum (not plastic).
