Irix Cine Lens 21mm T1.5 Canon EF Mount Metric

Cinematographers often struggle with wide-angle lenses that compromise on sharpness, build quality, or precise manual control. The Irix Cine Lens 21mm T1.5 for Canon EF solves this by delivering an ultra-wide 89.3° field of view with exceptional optical performance and rugged, weather-sealed construction. Its fast T1.5 aperture excels in low light and provides beautiful shallow depth of field, while the 11-blade rounded iris renders smooth, cinematic bokeh. Designed for full-frame sensors, this lens is a reliable tool for narrative film, documentary, and commercial production.

Who is it for

This lens is ideal for professional cinematographers, videographers, and rental houses seeking a durable, high-performance wide-angle prime for Canon EF mount cameras. It suits those who demand precise manual focusing with a long 180° focus throw and industry-standard 0.8 MOD gears for follow focus systems. Whether shooting on a gimbal, tripod, or shoulder rig, the lightweight yet robust aluminum-magnesium alloy body ensures dependable operation in challenging environments.

Main features

• Ultra-wide 21mm focal length with full-frame coverage (43.3mm image circle)
• Fast T1.5 maximum aperture for low-light shooting and shallow depth of field
• 11 rounded aperture blades for smooth, pleasing bokeh
• Internal focus design prevents lens breathing and maintains balance
• Weather-sealed construction with three rubber seals against dust and moisture
• 0.8 MOD gears on focus and iris rings for standard follow focus

Specifications

• Lens type: Cine prime lens
• Focal length: 21mm
• Maximum aperture: T1.5
• Minimum aperture: T22
• Lens mount: Canon EF
• Image circle: Full frame (43.3mm)
• Optical design: 15 elements in 11 groups
• Aperture blades: 11 (rounded)
• Minimum focus distance: 0.25 m
• Filter thread size: 86mm
• Front diameter: 95mm
• Focus ring rotation: 180°
• Aperture ring rotation: 75°
• Gear mod: 0.8 MOD (focus, iris)
• Focus scale: Metric
• Weather sealing: Yes (3 rubber seals)
• Angle of view: 89.3° (full frame)
• Construction material: Aluminum-magnesium alloy
• Internal focus: Yes

Tips

Pair this lens with a matte box and follow focus for optimal control. Use the metric focus scale for precise distance measurements. The weather sealing allows confident shooting in light rain or dusty conditions.