The Angenieux Optimo Ultra Compact 21-56mm Zoom Lens Full Pack is a premium, wide-angle cinematic zoom engineered for versatile multi-format cinematography. Serving as the direct wide-angle companion to the 37-102mm zoom, this package features Angenieux’s innovative Interchangeable Rear Optics (IRO) technology. The “Full Pack” includes both the Full-Frame/VistaVision (FF/VV) and Ultra 35/Open Gate (U35) dedicated rear optical lens blocks, giving filmmakers the flexibility to adapt the lens across different sensor standards without compromising optical geometric performance.