• Nikon AF extension ring metal copper adjustable iris Macro Nikon mount Ring
  
  [Material]: Copper
  [Weight]: 285 g
  - Size: Diameter 7.5CM height: 6.5CM
  [Applicable models]: for Nikon SLR cameras.
  [Work]: durable workmanship
  [Type]: 36MM / 20MM / 12MM
  [Features]: Auto extension ring AF Macro