The Cokin Z-PRO Series is designed for medium format cameras as well as wide-angle lenses & is recommended for focal lengths from 20mm onwards (35mm format). This Series is also well adapted to broadcast use. It fits a large variety of lenses thanks to a range of adaptor rings covering the popular diameters up to 96mm. Additional rings designed for Hasselblad B60/B70 & Rollei are also available. The Z-PRO Filter-Holder is designed to fit both film & digital technology, in particular D-SLRs, Medium Format & Video/ Broadcast cameras, either semi-professional or professional models (including new HD formats).