Irix Cine 11mm T4.3 MFT Imperial Cine Prime Lens

An ultra-wide 123° angle of view meets a fast T4.3 aperture in this compact, weather-sealed cine prime, delivering stunning full-frame coverage on Micro Four Thirds cameras. Its 16-element optical design in 10 groups ensures edge-to-edge sharpness and controlled distortion, making it ideal for architectural, landscape, and immersive filmmaking.

Overview

The Irix Cine 11mm T4.3 is a professional cine prime lens engineered for Micro Four Thirds mount. It features a manual focus ring with 180° rotation and imperial markings (feet/inches), plus a 75° aperture ring rotation with 0.8 MOD gear for follow focus systems. The lens is built from a durable aluminum-magnesium alloy and incorporates three rubber seals for weather resistance, allowing reliable operation in challenging conditions.

What stands out

• Ultra-wide 11mm focal length with full-frame image circle coverage
• Fast T4.3 maximum aperture for low-light performance and shallow depth of field
• 9 rounded diaphragm blades for smooth, cinematic bokeh
• Minimum focus distance of just 0.27 m (10.63 inches) for dramatic close-ups
• Rear gel filter slot (30x30mm) for creative filtration without front threads
• Standard 0.8 MOD gears on focus and aperture rings for seamless rig integration

Technical details

• Lens type: Cine prime lens
• Focal length: 11mm
• Maximum aperture: T4.3
• Minimum aperture: T22
• Lens mount: Micro Four Thirds (MFT)
• Focus type: Manual focus
• Focus markings: Imperial (feet/inches)
• Gear standard: 0.8 MOD (focus, aperture)
• Optical design: 16 elements in 10 groups
• Diaphragm blades: 9 (rounded)
• Minimum focus distance: 0.27 m / 10.63 inches
• Front diameter: 95 mm (for matte box)
• Filter thread: No front filter thread; rear gel filter slot (30x30mm)
• Angle of view (full frame): 123 degrees
• Weather sealing: Yes (3 rubber seals)
• Focus ring rotation: 180°
• Aperture ring rotation: 75°
• Material: Aluminum-magnesium alloy

Our verdict

The Irix Cine 11mm T4.3 MFT Imperial combines an extreme wide-angle perspective with robust cine build quality, making it a compelling choice for filmmakers needing reliable performance in demanding environments.