Step-up rings are used to mount a larger filter on a lens that takes a smaller filter size. Below are some commmonly used sizes. Each of the Altura links below will take you to an Amazon page with a drop down menu with a list of available sizes. If you want a 67-72mm step-up ring you will have to get the Fotodiox set. Altura does not have a 67-72mm step-up ring.
Altura Photo 49-52MM Step-Up Ring Adapter (49MM Lens to 52MM Filter or Accessory)
Altura Photo 52-55MM Step-Up Ring Adapter (52MM Lens to 55MM Filter or Accessory)
Altura Photo 52-58MM Step-Up Ring Adapter (52MM Lens to 58MM Filter or Accessory)
Altura Photo 52-77MM Step-Up Ring Adapter (52MM Lens to 77MM Filter or Accessory)
Altura Photo 55-58MM Step-Up Ring Adapter (55MM Lens to 58MM Filter or Accessory)
Altura Photo 58-67MM Step-Up Ring Adapter (58MM Lens to 67MM Filter or Accessory)
Altura Photo 67-77MM Step-Up Ring Adapter (67MM Lens to 77MM Filter or Accessory)
Altura Photo 72-77MM Step-Up Ring Adapter (72MM Lens to 77MM Filter or Accessory)
Altura Photo 77-82MM Step-Up Ring Adapter (77MM Lens to 82MM Filter or Accessory)
Fotodiox 7 Step Up Ring Filter Adapter Set, Anodized Aluminum, 49-52mm, 52-55mm, 55-58mm, 58-62mm, 62-67mm, 67-72mm, 72-77mm
Page created December 2, 2017. Updated May 4, 2018.