Irix Cine Lens 45mm T1.5 Canon RF Mount (Metric)

With a fast T1.5 maximum aperture and full-frame coverage, the Irix Cine Lens 45mm T1.5 delivers exceptional low-light performance and shallow depth of field for cinematic storytelling. Its 43.3mm image circle and 51.4° diagonal angle of view make it a versatile normal lens for Canon RF mount cameras.

Overview

Engineered for professional filmmakers and videographers, this 45mm cine prime combines precise optical design with robust mechanical construction. The lens features an 11-element, 9-group optical formula with 9 rounded aperture blades for smooth, pleasing bokeh. Focus and iris gears with 0.8 MOD pitch integrate seamlessly with follow focus systems, while the 180° focus rotation allows for accurate manual focusing. Weather sealing with 3 rubber seals protects against dust and moisture, ensuring reliability in challenging environments.

What stands out

• Fast T1.5 aperture for excellent low-light capability and shallow depth of field
• Full-frame coverage (43.3mm image circle) for Canon RF mount
• Precise manual focus with 180° rotation and metric scale markings
• Industry-standard 0.8 MOD gears on focus and iris rings
• Weather-sealed construction with 3 rubber seals
• 86mm filter thread for creative filter options

Technical details

• Focal Length: 45mm
• Maximum Aperture: T1.5
• Minimum Aperture: T22
• Lens Mount: Canon RF
• Image Circle: 43.3mm (Full-Frame)
• Optical Design: 11 Elements in 9 Groups
• Aperture Blades: 9 (Rounded)
• Minimum Focus Distance: 0.4 m (1.31 ft)
• Filter Thread Size: 86mm
• Front Diameter: 95mm
• Focus Gear Mod: 0.8 MOD
• Iris Gear Mod: 0.8 MOD
• Focus Rotation Angle: 180°
• Iris Rotation Angle: 75°
• Focus Scale Markings: Metric
• Weather Sealing: Yes (3 Rubber Seals)
• Angle of View (Full-Frame): 51.4° (Diagonal)

Our verdict

The Irix Cine Lens 45mm T1.5 is a superb choice for filmmakers seeking a fast, full-frame prime with precise manual control and rugged build quality. Its T1.5 aperture opens up creative possibilities in low light, while the 0.8 MOD gears and 180° focus throw make it a joy to use on set. Weather sealing and a standard 86mm filter thread add practicality, making this lens a reliable workhorse for Canon RF shooters.