Objetivo Irix Cine 45mm T1.5 L-Mount imperial

With a bright T1.5 maximum aperture and a 43.3mm full-frame image circle, the Irix Cine 45mm T1.5 L-mount Imperial lens delivers exceptional low-light performance and shallow depth of field for cinematic storytelling.

Overview

Engineered for professional filmmakers and videographers, this 45mm cine prime lens combines a robust aluminum-magnesium alloy housing with precision optics. The manual focus design features a 180° focus ring rotation and a 75° iris ring rotation, both with 0.8 MOD gear for seamless integration with follow focus systems. The lens is marked in imperial units (feet) for intuitive distance control on set.

What stands out

• Fast T1.5 aperture for excellent low-light capture and beautiful bokeh
• Full-frame coverage (43.3mm image circle) for large-sensor cameras
• De-clicked aperture ring for smooth, silent iris adjustments during takes
• Weather-sealed construction with three rubber seals to resist dust and moisture
• Internal focusing prevents lens length change and maintains balance
• 9 rounded aperture blades for pleasing, natural out-of-focus highlights

Technical details

• Focal length: 45mm
• Aperture range: T1.5 to T22
• Lens mount: L-mount
• Optical design: 11 elements in 9 groups
• Minimum focus distance: 0.4 m (1.31 ft)
• Filter thread size: 86mm
• Front diameter: 95mm
• Angle of view (full frame): 51.4°
• Focus scale: Imperial (feet)
• Gear modulus: 0.8 MOD for focus and iris
• Construction: Aluminum-magnesium alloy

Our verdict

A dependable cine prime that balances speed, build quality, and precise manual control for professional productions.