[55mm For standard and telephoto lenses]
[60mm For Hasselblood]
[105mm For standard and telephoto lenses]
[52mm For Wide Angle Lenses]
[77mm For standard and telephoto lenses]
This is an adapter ring for attaching LEE filter holders (A-1, A-2, A-3) or lens hoods (B-2, U-1) to your camera lens.
Screw into the filter thread on the front of the lens and attach the filter holder to the end. Standard thickness for standard and telephoto lenses.