Sirui IronStar 1.5x Anamorphic Cine Lens for PL & EF Mount 135mm T2.8 Neutral

IronStar Series - 1.5x Full-Frame Anamorphic Cine Lens

Light Up the Widescreen Again with IronStar
The set includes 75mm, 100mm (Macro), and 135mm lenses to complete the ecosystem, the IronStar set fully supports both commercial and artistic cinematography projects. 100mm with 0.3m minimum focus distance breaks anamorphic close-up limits, enhancing close-up detail. Identical gear position and front diameter ensure consistent optical character across the set.

Introducing Three New Focal Lengths
From mid-to-telephoto coverage, versatile for all subjects and widescreen creation!

75mm T1.9 - Natural Storytelling
Horizontally equivalent to 50mm on full-frame. Human-eye perspective, ideal for dialogue and storytelling. Well-balanced subject and background separation.

• 0.8m Minimum Focus Distance

100mm T2.8 Macro 0.5x - Macro + Close-Up
Horizontally equivalent to 66mm on full-frame. Suitable for food, jewelry details, and product commercials, combining close-focus capability with a cinematic perspective.

• 0.3m Minimum Focus Distance

With a minimum focusing distance of 0.3m and 0.5x magnification, the 100mm captures crisp micro details at close range. More than just close-ups, it delivers true anamorphic macro performance - combining widescreen cinematic aesthetics with richly detailed macro imagery.

135mm T2.8 - Portrait + Close-Up
Horizontally equivalent to 90mm on full-frame. Strong compression and excellent subject separation, perfect for isolating details and subjects from busy backgrounds in narrative films.

• 0.8m Minimum Focus Distance

1.5x Constant Squeeze Ratio
Compared to 1.33x, 1.5x provides a wider horizontal view, stronger background compression, and more elliptical bokeh, enhancing the overall cinematic look and feel.

Support Vertical Shooting
PL Mount with 360 Degree four-way rotational positioning supports both horizontal and vertical production. Paired with a vertical monitor, it enables a professional on-set monitoring system, breaking traditional aspect-ratio limits and unlocking a new cinematic vertical widescreen storytelling.

Expansive Image Circle
The IronStar series lens set features a 46mm image circle, ensuring full coverage of all full-frame mirrorless camera sensors. It produces a clean, vignette-free image, delivering a truly immersive cinematic experience.

Sharp and Smooth
Ultra fast T1.9 aperture ensures sharp performance in low-light situations. Vertical bokeh transitions smoothly, with crisp subjects and blurred backgrounds, effortlessly creating a shallow depth-of-field look rich in dimensionality and artistic tension.

• 75mm Max Aperture T1.9
• 100mm (0.5x Macro)/135mm Max Aperture T2.8

Filmic Atmosphere
Features two flare styles - blue and natural flare - enhancing the anamorphic look with a cinematic aesthetic.

Classic Blue Flare
Perfect for creating cinematic looks in sci-fi, mystery, action, car scenes, and urban-style environments, etc.

Neutral Flare
Presents light in its natural form, suitable for daily shots, emotional advertising, natural and humanistic scenes, etc.

Outstanding Optical Performance
The IronStar series lens features 19 precision optical elements (13 Elements for 135mm), including aspherical and cylindrical lenses, to reduce lens weight and produce sharp imagery with a subtle vintage glow - where modern engineering meets classic cinematic aesthetics.

Aspherical Lens
Precisely corrects spherical aberration and edge color aberration, decreases weight, and improves image purity.

Cylindrical Lens
Accurate optical design with multiple cylindrical elements helps prevent distortion, dispersion, and loss of clarity.

Well-Controlled Focus Breathing
Near-zero focus breathing during focus shifts maintains image stability and consistency, essential for professional cinematic workflows.

Consistent in a Set
The IronStar series lenses are designed with a uniform appearance and unified color temperature and tone, ensuring a cohesive visual style throughout the entire creative process.

Wide Compatibility

Filter thread
92mm, CPL and VND filters included in the kit.

Front diameter
Dia. 95mm/3.7", compatible with standard cinema-grade matte boxes.

Identical Gear Position
Designed for fast lens swaps, easing the process of follow focus and accessory adjustments.

Interchangeable PL/EF Mount Module
Each lens comes with a native PL mount and includes an EF mount with dedicated tools. Users can effortlessly switch between mounts as needed, significantly enhancing the lens's cost-effectiveness and operational versatility.

Innovative Back Focus Adjustment
Simply turn the back focus adjustment ring instead of disassembling the mount or adding shims, providing a flexible and convenient operation experience.

Born for Professional Quality
Affordable anamorphic cine lens allows indie filmmakers, small teams, and commercial project groups to create with cinematic precision.