SIRUI 20mm T1.8 1.33x S35 AF Anamorphic Lens for E Mount, Neutral Flares
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Product details
| Management number | 212372791 | Release Date | 2026/04/06 | List Price | US$239.20 | Model Number | 212372791 | ||
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Combining the cinematic quality of 2.35:1 widescreen imagery with the convenience of subject-tracking autofocus, this Sirui 20mm T1.8 1.33x S35 AF Anamorphic Lens is a versatile, wide-angle lens designed specifically for Sony E-mount cameras with Super 35 sensors. With a 1.33x squeeze factor and T1.8 maximum aperture, the lens ensures exceptional low-light performance and allows for stunning subject isolation with its signature oval-shaped bokeh. Powered by a precision STM stepping motor, the Sirui 20mm delivers smooth, accurate, and quiet autofocus—a rare feature in anamorphic lenses. With eye-tracking capability and buttons for both focus mode and autofocus lock, the lens provides complete creative control. A female USB-C port enables firmware updates, ensuring lasting performance. Compact and lightweight, the lens fits advanced technology and visual quality into a form factor ideal for handheld, gimbal, and run-and-gun shooting, making it a powerful tool for both independent creators and professional productions.
- Anamorphic Aesthetic: 1.33x squeeze factor for 2.35:1 images with a 16:9 sensor. Unique oval bokeh enhances subject separation and depth. Horizontal field of view equivalent to a 22mm full-frame lens
- Optical Performance: 37mm image circle covers Super 35 sensors or full-frame with vignette. T1.8 to T22 aperture for low-light performance and depth of field control. 15.7" minimum focus distance for close-up shots. Aspherical lens element minimizes chromatic aberration.
- Advanced Autofocus: STM stepping motor for smooth, silent autofocus. Eye-tracking autofocus for reliability during movement. AF/MF switch to toggle between autofocus and manual focus. AF-lock button to hold focus or recall custom focus settings.
- Practical Design: Uniform gear positioning with Sirui 40mm AF Anamorphic Lens. Compact (3.8" long) and lightweight (1.1 lb). 360° focus throw with standard gearing.
- Versatile Compatibility: Compatible with Sony E-mount cameras. Standard 77mm front filter thread. Update lens firmware via female UCB-C port.
| Lens | Anamorphic Lens |
|---|---|
| Brand | Sirui |
| Color | Neutral Flare |
| Focus Type | Auto/Manual |
| Lens Mount | Sony E |
| Media Type | ProductImage, EnhancedContent |
| Model Name | 20AF133X-EN |
| Zoom Ratio | 1:1 |
| Camera Lens | Anamorphic Lens |
| Item Weight | 1.1 Pounds |
| Lens Design | Anamorphic Lens |
| Manufacturer | SIRUI |
| BuiltIn Media | Lens |
| Maximum Aperture | 1.8 f |
| Minimum Aperture | 1.8 f |
| Light Sensitivity | Wide |
| Photo Filter Size | 77 Millimeters |
| Real Angle Of View | 64.9 Degrees |
| Image stabilization | No image stabilization |
| Maximum Focal Length | 20 Millimeters |
| Minimum Focal Length | 20 Millimeters |
| Video Capture Format | MP4 |
| Warranty Description | 2 Year Manufacturer |
| Exposure Control Type | Automatic/Manual |
| Water Resistance Level | Not Water Resistant |
| Compatible Camera Mount | Sony E |
| Lens Fixed Focal Length | 20 Millimeters |
| Compatible Camera Models | Sony E-mount cameras with Super 35 sensors |
| Focal Length Description | Fixed |
| Video Capture Resolution | 4K (3840 x 2160) |
| Global Trade Identification Number | 06952060076379 |
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