IRIX 21mm T1.5 Cine Lens (PL, Feet)

Irix 21mm T1.5 PL Wide

The Irix 21mm T1.5 Cine Lens (PL Mount, Feet) is a professional wide angle cine lens designed to deliver exceptional image quality on full-frame sensors. This lens combines a fast T1.5 aperture with a precise 11-blade iris to provide cinematographers with superior control over light and background separation. Its robust build and consistent optical performance make it a vital tool for narrative film production environments.

This wide-angle prime features a durable magnesium and aluminum alloy housing, ensuring long-term reliability on demanding sets. The internal focusing mechanism eliminates lens breathing, which is essential for professional focus pulls during critical scenes. With its industry-standard 0.8 MOD gears and Magnetic Mount System for accessories, it offers the technical authority and versatility required for high-end digital cinematography, providing a consistent visual signature across the entire Irix Cine lineup for filmmakers.

Irix 21mm T1.5 Specifications

• Focal length: 21–21 mm equivalent coverage.
• Maximum aperture: T1.5 across the zoom range.
• Minimum focusing distance: 1.0 ft (0.3 m).
• 11 Elements in 11 Groups with HR and ED glass construction.
• Fully weather-sealed for outdoor shooting environments.
• Best Application: Narrative Establishing Shots and Interior Cinematography.
• Mount type: ARRI PL compatible with ARRI/RED cameras.
• 2-Year Limited Warranty

ARRI PL 21mm Wide Cine

Tested in real production counts across rigorous commercial sets, this wide-angle prime demonstrates elite mechanical reliability. Technical measurements confirm the T1.5 rating provides consistent exposure and minimal light loss. Industry endorsement from professional DPs confirms its status as an authoritative tool for digital cinema, meeting the highest technical standards for 8K resolution and precise color matching across various camera systems.

High-Refractive Index Optical Construction

The technical definition using High-Refractive and Extra-low Dispersion glass reduces chromatic aberration and ghosting significantly. Improved resolution ensures high contrast such as razor-sharp edge-to-edge clarity for high-resolution sensors. Professional cinematographers benefit from this construction when capturing wide architectural details. This precise engineering ensures that digital sensors capture natural colors and textures with absolute accuracy for professional post-production grading and visual effects.

T1.5 Low-Light Aperture Implementation

The fast T1.5 aperture behavior enables precise exposure control in low-light environments without introducing digital noise. Eleven-blade bokeh quality creates pleasing circular background highlights for aesthetic shots. Narrative filmmakers such as commercial directors rely on this feature for consistent exposure. This large aperture allows for creative depth-of-field control, providing a cinematic look that isolates subjects within their environment for immersive and professional widescreen storytelling.

Manual Multi-Start Focus System

The manual focus system provides tactile and precise focusing for professional cinema use. Industry-standard 0.8 MOD gears improve speed and accuracy for professional workflows on busy sets. Focus pullers benefit especially in fast-action handheld scenarios where precision is critical. The 180-degree focus rotation provides ample space for fine-tuning focus during complex camera movements, ensuring that every transition is smooth and perfectly timed for the narrative.

Rugged Weather-Sealed Cinema Chassis

The lens weighs 2.5 lb (1.1 kg) with a barrel length of 3.8 in (96 mm). The magnesium alloy design adds durability for demanding production environments and extreme weather. Equipment managers value this when maintaining fleet longevity. Its standardized Magnetic Mount System allows for quick filter changes without changing adapter rings, making it an efficient choice for large crews and fast-paced commercial production environments globally.

ARRI PL Mount Compatibility Adaptability

The ARRI PL mount attaches to ARRI/RED professional digital cinema cameras. Professional mount adapter compatibility enables secure camera mounting and optical alignment for high-end rigs. Production houses often use adapters for B-cam mirrorless setups on diverse projects. This robust mount ensures that the lens remains perfectly centered and stable, even when using heavy lens support systems and high-torque wireless focus motors during dynamic capture.

Professional Wide-Angle Cinema Deployment

The wide-angle capability supports expansive establishing tasks for professional directors of photography and cinematographers. Low distortion reduces spatial distortion in tight work settings and interior locations. Commercial cinematography thrives with this optical setup because it delivers broad perspectives. This deployment is ideal for feature films, high-end television, and immersive projects needing a wide view and authoritative visual style for high-resolution digital cinema capture.

Irix 21mm Cine Maintenance Protocol

Correct cleaning with air blowers prevents dust scratches on multi-coated front elements and coatings. Hard-shell case storage keeps optics calibrated and protected from vibration during travel. Pro Tip: Ensure the magnetic mount area is clean before attaching filters for long-term reliability and smoothness. Includes a 2-year limited warranty for professional peace of mind, ensuring that the mechanical gears and optical performance remain reliable.