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SIRUI 1.5x T1.9 IronStar Series Anamorphic Full-Frame Cinema Lens

SKU: IRON-35-N
€1.179,00
incl. VAT Shipping will be calculated at checkout.
Focal Length
Style
Flare

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Full frame
Blue Light Flares
1.5x constant
Compression Ratio
T1.9
Large Aperture
Neutral Light Flares
Oval Bokeh
Interchangeable
PL/EF Mount
0.65m
Minimum Focusing Distance
Cinematic Feel
Consistent across the entire set
Three lenses covering the core focal length range
From portraits to scenes – the set includes the core focal lengths
for documentary and narrative applications.
Horizontally equivalent to 23 mm on full frame.
Wide-angle view, ideal for atmospheric scenes,
Stories, landscapes, etc.
Horizontally equivalent to 30mm on full frame.
Versatile focal length, ideal for human photography, environmental portraits, and everyday life shots.
Horizontally equivalent to 40mm on full frame.
Natural perspective of the human eye, perfect for portraits, still life, and details.
75mm / 100mm / 135mm
arriving shortly to complete the lens lineup and fully meet the demands of commercial and creative work.
Coming Soon
Constant 1.5x Compression Ratio
Compared to 1.33x, 1.5x offers a wider horizontal view, stronger background compression
and a more elliptical blur, enhancing the overall cinematic look.
3:2 Mode
Widescreen Aspect Ratio of 2,25:1
16:9 Mode
Widescreen Aspect Ratio of 2,66:1
Large Aperture, Sharp and Soft Focus
The extremely fast T1.9 aperture ensures sharp performance in low light. The vertical blur smoothly transitions into the background, with precise subjects and blurred backgrounds to effortlessly create depth of field with strong spatiality and artistic tension.
Dual Light Flares, Cinematic Atmosphere
The IronStar series offers two distinctive anamorphic light flare styles – Blue and Neutral – that add depth and a cinematic atmosphere to every image.
Classic Blue Light Flares
Ideal for creating cinematic looks in sci-fi, mystery, action, car scenes, and urban environments, etc.
Neutral Light Flares
Presents light in its natural form, suitable for everyday shots, emotional advertising, natural and humanistic scenes, etc.
Cinematic Optical Quality
The IronStar series features 19-20 precise optical elements, including ED, aspherical, and HRI components. It delivers sharp, precise images with a subtle vintage glow – where modern engineering meets classic film aesthetics.
Optical construction
Custom optical designs for each focal length, all meeting cinema standards.
Focal length
Optical construction
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 errors, reduces weight, and improves image purity.
ED glass
Minimizes chromatic dispersion and aberration for accurate cinema colors and tones.
HRI glass
Optimizes light transmission, reduces flare and ghosting, and improves image contrast and depth.
Cylindrical lens
Precise optical design with multiple cylindrical elements prevents distortion, dispersion, and loss of image sharpness.
Well-controlled breathing effect
An almost zero breathing effect during focusing ensures image stability and consistency – essential for professional film workflows.
60mm T1.9
Excellent close-up performance
35mm/45mm 0.65m (Minimum focusing distance)
60mm 0.78m (Minimum focusing distance)
Compact and uniform, cinematic design
The IronStar series features a uniform appearance as well as consistent color temperature and tonal reproduction, ensuring a coherent visual style throughout the entire creative workflow.
Wide Compatibility
Filter thread: Φ92mm / 3.6 inches
Included: CPL and VND filters (kit only)
Front diameter: Φ95mm / 3.7 inches
(Compatible with standard cinema matte boxes)
Identical gear ring position
Designed for quick lens changes
Facilitates the use of follow-focus systems
and the adjustment of accessories
Compact & Lightweight
990g / 2.2 pounds (35mm)
Lighter than other full-frame anamorphics on the market
270° focus throw
Metallic texture
1/4"" threaded base
Increases mounting stability
Dual scales
Imperial & Metric
Efficient production with style
Meets diverse professional creative requirements
Interchangeable PL/EF Mount
Each lens is standard equipped with a PL mount and includes an EF mount with the appropriate tool. Users can easily switch the mounts as needed, significantly enhancing the cost efficiency and operational versatility of the lenses.
Innovative back focus adjustment
Simply turn the back focus adjustment ring with a tool instead of disassembling the mount or adding shims – for a flexible and efficient user experience.
Full-frame coverage
with larger image circle
The SIRUI IronStar series offers a 46mm image circle covering full-frame cameras and even cameras with larger sensors. It delivers clean, detailed, and wide images without vignetting or cropping.
※ Aperture value at maximum aperture
35mm / 45mm / 60mm image circle
46mm
Unleash professional quality
Affordable anamorphic cinema lenses enabling independent filmmakers, small teams, and commercial projects to create with cinematic precision.
Three years replacement
Lifetime warranty
Free replacement within 3 years for non-human damage (with valid proof of purchase). Lifetime paid repair service for human-caused damage (e.g., drops, water, modifications).
Packing List
Single lens
1 lens
1 EF-Mount
1 lens pouch
1 tool set
Lens kit
1 hard lens case
1 92mm CPL
3 lenses
1 92mm VND
3 EF-Mount modules
1 tool set
* Free CPL and VND filters are only included in the 3-lens kit.
Specifications
35mm
45mm
60mm
Lens format coverage
Full frame
Full frame
Full frame
Focal length
35mm
45mm
60mm
Max. aperture
T1.9
T1.9
T1.9
Min. aperture
T16
T16
T16
Lens construction
20 elements
in 16 groups
(6 cylindrical lenses, 1 aspherical lens)
19 elements
in 14 groups
(4 cylindrical lenses, 1 aspherical lens)
19 elements
in 14 groups
(5 cylindrical lenses, 1 aspherical lens)
Aperture blades
16
16
16
Switching distance
0.65M (2ft 2in)～∞
0.65M (2ft 2in)～∞
0.78M (2ft 7in)～∞
Minimum focusing distance
0.65M (2ft 2in)
0.65M (2ft 2in)
0.78M (2ft 7in)
Focusing method
MF (Manual)
MF (Manual)
MF (Manual)
Max. magnification
1:15.15 (V),
1:23.26 (H)
1:12.5 (V),
1:19.23 (H)
1:11.36 (V),
1:17.86 (H)
Angle of view (full frame)
39.64° (V),
79.98° (H),
83.88° (D)
32.08° (V),
67.55° (H),
71.1° (D)
23.59° (V),
50.63° (H),
53.82° (D)
Filter thread
M92×0.75
M92×0.75
M92×0.75
Focus ring rotation angle
270°
270°
270°
Max. diameter
φ95mm / 3.7"
(EF/PL-Mount)
φ95mm / 3.7"
(EF/PL-Mount)
φ95mm / 3.7"
(EF/PL-Mount)
Focus ring diameter
φ89.6mm / 3.5"
φ89.6mm / 3.5"
φ89.6mm / 3.5"
Aperture ring diameter
φ81.6mm / 3.2"
φ81.6mm / 3.2"
φ81.6mm / 3.2"
Length
(without lens cap)
EF: 131mm / 5.2"
PL: 123mm / 4.8"
EF: 137.5mm / 5.4"
PL: 129.5mm / 5.1"
EF: 142mm / 5.6"
PL: 134mm / 5.3"
Weight
(without lens cap)
EF: 998g / 2.2lb
PL: 1024g / 2.3lb
EF: 990g / 2.2lb
PL: 1020g / 2.2lb
EF: 1023g / 2.3lb
PL: 1044.6g / 2.3lb

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