Irix Cine 21mm T1.5 Nikon Z Mount Imperial Cine Lens (Feet Markings)

For cinematographers and video professionals shooting on Nikon Z mirrorless cameras, the Irix Cine 21mm T1.5 Imperial lens delivers a wide, full-frame field of view with the cinematic look and precise manual control demanded by modern filmmaking. Whether you're capturing an intimate interior scene or a sweeping exterior establishing shot, this lens combines a fast T1.5 aperture with robust, cine-standard mechanics to help you achieve your creative vision.

Key specifications

• Focal Length: 21mm
• Maximum Aperture: T1.5
• Minimum Aperture: T16
• Lens Mount: Nikon Z (Full Frame)
• Optical Design: 16 elements in 15 groups (3 HR, 2 ED, 1 ASP)
• Aperture Blades: 11 (rounded)
• Minimum Focus Distance: 0.3m / 1ft
• Filter Thread: 86mm
• Focus Scale: Imperial (feet)
• Gear Mod: 0.8 MOD (Focus & Iris)
• Focus Rotation: 180°
• Iris Rotation: 75°
• Front Diameter: 95mm
• Weather Sealing: Yes (3 rubber seals)
• Internal Focusing: Yes
• Construction: Aluminum-magnesium alloy
• Magnetic Mount System (MMS): Yes

Why choose it

This lens is engineered for serious filmmakers. Its fast T1.5 aperture allows for excellent low-light performance and shallow depth of field, while the 11-blade rounded aperture produces smooth, pleasing bokeh. The all-metal construction and weather sealing ensure durability in demanding shooting conditions. The 0.8 MOD gears are compatible with standard follow-focus systems, and the 180° focus rotation provides precise manual focusing. The Imperial scale (feet) is ideal for operators accustomed to working in feet.

Ideal use cases

• Narrative filmmaking and commercial production
• Documentary and run-and-gun shooting
• Interview setups where a wide, cinematic perspective is needed
• Architectural and interior videography
• Wedding and event filmmaking

Good to know

This lens is part of the Irix Cine series, known for its high-quality optics and robust build. The Imperial version features focus markings in feet, making it a direct choice for users who prefer that system. The lens is compatible with Nikon Z mount cameras, including full-frame models like the Z6, Z7, Z8, and Z9. Its magnetic mount system allows for easy attachment of accessories.