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

Irix 21mm EF Wide Cine

The Irix 21mm T1.5 Cine Lens (Canon EF, Feet) is a professional full frame cine lens designed to deliver exceptional image quality for high-end digital cinematography. This lens combines a fast T1.5 aperture with a wide angle field of view, making it an ideal tool for establishing shots and interior scenes. Its robust construction and consistent optical performance across the frame ensure a professional cinematic signature for production.

This wide-angle prime features a fully weather-sealed housing, allowing for reliable operation in extreme environments from dusty locations to humid sets. The internal focusing mechanism suppresses lens breathing significantly, which is vital for professional focus pulls during narrative storytelling. With unified gear positions and a Magnetic Mount System for filters, it provides the technical authority and efficiency required for high-stakes production, ensuring a seamless workflow and consistent results on EF-mount systems.

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 High-Contrast Interiors.
• Mount type: Canon EF compatible with Professional DSLRs and Cine Cameras.
• 2-Year Limited Warranty

Canon EF 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 Canon EF 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 fine details with absolute accuracy for professional grading and high-end visual effects applications.

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 background separation for aesthetic shots. Narrative filmmakers such as commercial directors rely on this feature for consistent exposure throughout the day. 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 Metal Chassis

The lens weighs 2.5 lb (1.1 kg) with a barrel length of 3.9 in (101 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.

Canon EF Mount Compatibility Adaptability

The Canon EF mount attaches to professional DSLRs and dedicated digital cinema cameras. Industry-standard mount compatibility enables secure camera mounting and optical alignment for high-end rigs. Production houses often use adapters for mirrorless workflows on modern systems. 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 21mm 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 8K 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.