The Denz OIC x1.8 anamorphic director’s viewfinder is used for full frame lenses.
Denz OIC x1.8 Full Frame spherical/anamorphic director’s viewfinder (IMS)
Mount: PL / LPL
Format: Anamorphic Full Frame
Anamorphic desqueeze ratios: 2.0 / 1, 1.8 / 1 / 1.5 / 1