Irix Cine-objectief 21mm T1.5 Sony E-Mount metrisch

An 89.3° diagonal angle of view on full-frame sensors opens up dramatic wide-angle perspectives, while the T1.5 maximum aperture delivers exceptional low-light performance and shallow depth of field control. The Irix Cine Lens 21mm T1.5 for Sony E mount is a professional cinematography lens built for demanding filmmakers.

Overview

Designed for full-frame cameras, this 21mm cine lens covers a 43.3mm image circle, ensuring edge-to-edge sharpness even on high-resolution sensors. Its advanced optical design incorporates 16 elements in 15 groups, including 4 high-refractive (HR) elements, 2 extra-low dispersion (ED) elements, and 1 aspherical element, effectively minimising chromatic aberration and distortion. The 11-blade rounded iris produces smooth, circular bokeh, while the T1.5 to T16 aperture range provides precise exposure control across varied lighting conditions.

What stands out

• Ultra-fast T1.5 aperture for shallow depth of field and low-light shooting
• Full-frame coverage with 43.3mm image circle
• Advanced optical construction: 4 HR, 2 ED, and 1 aspherical element
• 11-blade rounded iris for cinematic bokeh
• Weather-sealed with 3 rubber seals for reliable outdoor use
• Standard 0.8 MOD gears on focus and iris for follow-focus systems
• Metric focus scale with 180° focus rotation and 75° iris rotation
• 86mm front filter thread and 95mm front diameter for matte box compatibility

Technical details

• Focal length: 21mm
• Maximum aperture: T1.5
• Minimum aperture: T16
• Lens mount: Sony E
• Image circle: Full-Frame (43.3mm)
• Optical design: 16 elements in 15 groups (4 HR, 2 ED, 1 ASP)
• Minimum focus distance: 0.3 m (11.8")
• Filter thread size: 86mm (front)
• Front diameter: 95mm
• Iris blades: 11 (rounded)
• Focus rotation angle: 180°
• Iris rotation angle: 75°
• Gear mod: 0.8 MOD (focus & iris)
• Weather sealing: Yes (3 rubber seals)
• Focus scale: Metric
• Angle of view (full-frame): 89.3° (diagonal)
• Construction material: Aluminum-magnesium alloy
• Electronic communication: No

Our verdict

The Irix Cine Lens 21mm T1.5 is a superb wide-angle cine lens for Sony E-mount filmmakers. Its fast aperture, robust build, and precise mechanics make it a reliable choice for professional productions.