Features

• 2:1 horizontal squeeze achieved by cylinder optics in the rear part of the lens
• Perfect homogeneity of color, contrast, resolution and low distortion typical of the optimo series
• Constant T4.5 across zoom range, no ramping
• Minimal breathing suitable for rack focusing
• Close Focus of (1.24m/4’1“ feet) enables extreme close-up shots
• Reduced distortion on all focal lengths and all focus distances
• One of the lightest and most compact anamorphic zooms of its range
• Precise and ergonomic focus ring with scale rotation of 320 degrees & over 40 focus marks.
  Interchangeable focus scale ring from feet to meters
• Available in PL mount. Easily interchangeable with PV Panavision mount
• Thanks to the IRO technology™, the Optimo 42-420 A2S, with a spherical kit option, can be converted to a spherical 25-250 T3.5 zoom by swapping the rear group and appropriate rings
• Precise and rugged travelling of the zoom and focus groups using Angenieux classic rod mechanical guiding system
• Suited for extreme production environments (temperature range from -20°C to +45°C)
• Compatible with 1.4x and 2x extenders: 84-840mm T9 (wit 2x)
• Built-in lens encoder provides lens metadata (focus, zoom, T-stop) via standard cooke protocol or technology in both spherical and anamorphic configurations
• Lens data can be displayed on camera monitors to assist critical focusing and be recorded in camera to support VFX/post production work
• Front thread for optional protective glass

https://www.angenieux.com/collections/optimo-anamorphic-lens-line/optimo-anamorphic-42-420-a2s/