Camera Accessories
Sigma AML Macro Lens 72-01 for 18-300 mm/F3.5-6.3 DC Makro OS HSM
Box contents: lens For Contemporary 18-300mm DC Macro HSM Increases Maximum Magnification to 1:2 Useful Between 80-300mm Focal Lengths Achromat Design Maintains Image Quality
https://www.bizrate.co.uk/cameraaccessories/sigma-aml-macro-lens-72-01-oid6621194270.html