FullFrame
Blue Flare
1.5x Constant
Squeeze Ratio
Squeeze Ratio
T1.9
Fast Aperture
Fast Aperture
Neutral Flare
Oval Bokeh
Interchangeable
PL/EF Mounts
PL/EF Mounts
0.65m
Minimum Focus Distance
Minimum Focus Distance
Cinematic Feel
Consistent Across the Set
Three Lenses, Covering the Core Focal Range
From portraits to scenes, the set covers the core focal length
for documentary and storytelling use.
for documentary and storytelling use.
Horizontally equivalent to 23mm on full-frame
Wide-angle view, ideal for atmosphere-rich scenes,
storytelling, landscapes, etc.
storytelling, landscapes, etc.
Horizontally equivalent to 30mm on full-frame
Versatile focal length suitable for humanistic photography, environmental portraiture, real-life moments, etc.
Horizontally equivalent to 40mm on full-frame
Natural human-eye perspective, perfect for portraits, still subjects, details, etc.
75mm / 100mm / 135mm
are coming soon to complete the lens lineup and fully meet
the demands of commercial and creative work.
the demands of commercial and creative work.
Coming Soon
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.
and more elliptical bokeh, enhancing the overall cinematic look and feel.
3:2 mode
2.25:1 widescreen aspect ratio
16:9 mode
2.66:1 widescreen aspect ratio
Fast Aperture, 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.
Dual Flares, Filmic Atmosphere
The IronStar series offers two signature anamorphic flare styles—Blue and Neutral—adding depth and cinematic atmosphere to every frame.
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.
Cinema-Level Optical Quality
The IronStar series features 19-20 precision optical elements, including ED, aspherical and HRI components. It delivers sharp, accurate imagery with a subtle vintage glow—where modern engineering meets classic cinematic aesthetics.
Optical Structure
Tailored optical designs for each focal length, all meeting cinematic standards.
Focus Distance
Optical Structure
Aspherical Lens
Cylindrical Lens
HRI Glass
ED Glass
35mm
20 Elements in 16 Groups
1
6
5
1
45mm
19 Elements in 14 Groups
1
4
5
1
60mm
19 Elements in 14 Groups
1
5
5
1
Aspherical Lens
Precisely corrects spherical aberration and edge color aberration, decreases weight, and improves image purity.
ED Glass
Minimizes chromatic dispersion and aberration for accurate cinematic color and tone.
HRI Glass
Optimizes light transmission, reduces flare and ghosting, and enhances image contrast and depth.
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.
60mm T1.9
Excellent Close-Up Performance
35mm/45mm 0.65m (The minimum focus distance)
60mm 0.78m (The minimum focus distance)
Compact and Unified, Cinematic-Level Design
The IronStar series lenses feature a uniform appearance and consistent color temperature and tone, ensuring a cohesive visual style throughout the entire creative process.
Interchangeable PL/EF Mounts
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 with a tool instead of disassembling the mount or adding shims, providing a flexible and efficient operation experience.
Full-Frame Coverage
with a Larger Image Circle
with a Larger Image Circle
The SIRUI IronStar series features a 46mm image circle, covering full-frame and even large-format cameras. It delivers clean, detailed, and wide images with no vignetting and cropping.
※ Aperture value undering wide open
35mm / 45mm / 60mm Image Circle
46mm
Unlock Professional Quality
Affordable anamorphic cine lenses enable indie filmmakers, small teams and commercial projects to create with cinematic precision.
Three-Year Replacement
Lifetime Warranty
Lifetime Warranty
Free replacement within 3 years for non-human damage (with valid proof of purchase). Lifetime paid repair service available for human-caused damage (e.g., drops, water, modifications).
Packing List
