The ZEISS CZ.2 28-80mm T2.8 is a high-performance cine lens designed for professional filmmaking and cinematography.
General Specifications:
- Lens Type: Zoom Lens (Cine/Film)
- Focal Length: 28-80mm
- Maximum Aperture: T2.8
- Lens Mount: PL Mount (also available in EF Mount)
- Format Coverage: Full Frame / VistaVision
- Optical Design: 18 elements in 15 groups
- Diaphragm Blades: 9 rounded blades (for a smooth, circular bokeh)
- Focus Rotation: 200° (for precise focus control)
- Filter Thread: 77mm (front)
- Front Diameter: 95mm
- Weight: Approximately 1.5 kg (3.3 lbs)
Optical Performance:
- Image Circle: Covers Full Frame sensors up to 36.7mm (diagonal)
- Close Focusing Distance: 0.35 meters (1.15 feet)
- Maximum Magnification: 0.15x
Mechanical Features:
- Focus: Manual, with cine-style focus ring, smooth and geared
- Iris: Manual, with clickless iris for smooth exposure control during video capture
- Zoom: Smooth, geared zoom ring with a 80° zoom rotation
- Housing: Robust, durable, and weather-resistant construction suitable for demanding shooting environments
- Lens Calibration: Interchangeable between different lens mounts (PL/EF)
Optical Characteristics:
- Color Rendition: Consistent color across the zoom range, optimized for digital cameras with minimal chromatic aberration and distortion
- Bokeh: Smooth, cinematic bokeh, with a rounded aperture shape and minimal edge effects.
Additional Features:
- ZEISS T Coating:* Multi-layer coating to reduce flare and ghosting, ensuring high contrast and clarity
- Parfocal: Maintains focus when zooming in or out (ideal for dynamic zooming without re-focusing)
- Modular Design: Allows for easy adaptation to various camera rigs, including use on handheld, studio, or gimbal setups.
This lens is known for its superb optical quality, reliability, and rugged build, making it a favorite choice among cinematographers working in both film and digital formats.