Sensei 49-77mm Step-Up Ring

Altura Photo 67-77MM Step-Up Ring Adapter (67MM Lens to 77MM Filter or Accessory) + Premium MagicFiber Cleaning Cloth

Altura Photo 58-77MM Step-Up Ring Adapter (58MM Lens to 77MM Filter or Accessory) + Premium MagicFiber Cleaning Cloth

Fotodiox Metal Step Up Ring, Anodized Black Metal 55mm-77mm, 55-77 mm

Altura Photo 72-77MM Step-Up Ring Adapter (72MM Lens to 77MM Filter or Accessory) + Premium MagicFiber Cleaning Cloth

Tiffen 77mm Variable Neutral Density Filter 77VND for Camera lenses

Sensei 67-77mm Step-Up Ring

IMZ Lens Cap Bundle - 4 x 77MM Front Lens Filter Snap On Pinch Cap Protector Cover for DSLR SLR Camera Lens 77x4

Fotodiox Pro Chrome (Type 2) Lens Mount Adapter, M42 Lens (42mm x1 Thread Screw) Lens to Canon EOS cameras, fits Canon EOS 1D, 1DS, Mark II, III, IV, 1DC, 1DX, D30, D60, 10D, 20D, 20DA, 30D, 40D, 50D, 60D, 60DA, 5D, Mark II, Mark III, 7D, Rebel XT, XTi, XSi, T1, T1i, T2i, T3, T3i, T4, T4i, C300, C500

Sensei 55-77mm Step-Up Ring

Fotodiox Metal Step Up Ring Filter Adapter, Anodized Black Aluminum 62mm-77mm, 62-77 mm