"P Series" : For larger diameter lenses up to 82mm. Recommended for focal lengths from 28mm onwards(35mm format). A wide range of adaptor rings, including dedicated Hasselbad® B50/B60/B70, Rollei® VI as well as a Universal Ring and numerous dedicated accessories (Holder Cap, Ring Cap, Universal Ring, Coupling Ring, Wide Angle Holder, A/P & Z/P Adaptors, Modular Hood, Modular Bellows, Wallet & Storage Boxes, etc.).