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Capture a widescreen, cinematic look with your full-frame camera and the IronStar 45mm T1.9 Anamorphic 1.5x Lens from Sirui. This lens features a fast T1.9 maximum aperture for optimal low-light capture and subject separation, neutral flares, oval bokeh, 0.8 MOD gearing, and interchangeable ARRI PL and Canon EF mounts.
Capture a widescreen, cinematic look with your full-frame camera and the IronStar 45mm T1.9 Anamorphic 1.5x Lens from Sirui. This lens features a fast T1.9 maximum aperture for optimal low-light capture and subject separation, neutral flares, oval bokeh, 0.8 MOD gearing, and interchangeable ARRI PL and Canon EF mounts.
Anamorphic Aesthetic
This lens creates a 1.5x squeeze ratio and unique oval bokeh.
Optical design enhances subject separation and depth.
Horizontally equivalent to 30mm on a full-frame sensor.
Neutral lens flares produce a classic anamorphic streak effect when pointed at sharp beams of light.
Interchangeable Lens Mount
Sirui's IronStar prime lenses come with both an ARRI PL and Canon EF mount, letting you use them with a variety of cine-style, mirrorless, and DSLR cameras.
Cine-Style Design
This 45mm IronStar lens features a 95mm front outside diameter, and its 0.8 MOD focus and iris gears are compatible with most standard matte boxes, follow focus units, and lens control systems.
The 270° focus barrel rotation lets you precisely pull focus.
Sirui IRONSTAR Anamorphic FF 45mm T1.9 Specs
Key Specs
Focal Length
45mm
Maximum Aperture
T1.9
Lens Mount
Interchangeable Mount with Included ARRI PL/Canon EF
Lens Format Coverage
Full-Frame (46 mm Image Circle)
Filter Thread
92 mm x 0.75
Image Stabilization
No
Electronic Communication
Yes
Focal Length
45mm
Maximum Aperture
T1.9
Minimum Aperture
T16
Lens Mount
Interchangeable Mount with Included ARRI PL/Canon EF
Horizontal Squeeze (Anamorphic)
1.5x
Flare Color
Neutral
Lens Format Coverage
Full-Frame (46 mm Image Circle)
Angle of View
Full Frame Vertical: 32.08° Horizontal: 67.55° Diagonal: 71.1°
Focus Scales
Metric, Imperial
Optical Design
19 Elements in 14 Groups
Filter Thread
92 mm x 0.75
Minimum Focus Distance
From Camera Sensor: 25.6" / 65 cm
Magnification
1:19.23 Macro Reproduction Ratio 0.05 to 1x Magnification
Aperture/Iris Blades
16
Image Stabilization
No
Gear Standard
Focus, Iris: 0.8 MOD
Gear Rotation
Focus: 270°
Electronic Communication
Yes
Diameter
Front: 3.7" / 95 mm
Length
5.4" / 137.5 mm (Canon EF) 5.1" / 129.5 mm (ARRI PL)
