SIRUI vs VILTROX
Updated July 2026 — SIRUI wins on weight and focus distance, VILTROX wins on fov and aperture.
The SIRUI 20mm T1.8 offers advanced cinematic features, while the VILTROX 9mm F2.8 provides excellent value for general photography.
Why SIRUI is better
Cinematic Features
1.33x squeeze factor for cinematic visuals
Low Light Performance
T1.8 aperture for better low-light shooting
Build Quality
Compact and lightweight design for filmmakers
Why VILTROX is better
Price
$199.00 is significantly cheaper
Versatility
Ultra-wide angle suitable for various photography
Close Focus
Minimum focus distance of 0.13m for creative shots
Overall score
Specifications
| Spec | SIRUI | VILTROX |
|---|---|---|
| Squeeze Factor | 1.33x | N/A |
| Autofocus | Eye-Tracking | Eye/Face Detection |
| Image Circle | Super 35 | APS-C |
| Optical Design | N/A | 13 elements in 11 groups |
| Field of View | 22mm | 13.5mm |
Dimension comparison
Overview
When comparing the SIRUI 20mm T1.8 Anamorphic Lens with the VILTROX 9mm F2.8 E-Mount APS-C Lens, it's essential to note that they serve different purposes within the realm of photography and videography. The SIRUI lens is designed for cinematic applications, offering a unique 1.33x squeeze factor for a wider cinematic aspect ratio, while the VILTROX lens is tailored for ultra-wide shots, suited for landscapes and vlogs.
The SIRUI lens is priced at $599.00, making it significantly more expensive than the VILTROX lens, which retails for $199.00—about 67% cheaper. This price difference reflects the specialized capabilities of each lens, catering to different types of creators and their specific needs.
Design and Build Quality
The SIRUI 20mm T1.8 Anamorphic Lens features a compact and lightweight design, weighing only 480g (1.06 lbs), which is advantageous for handheld shooting and mobility. Meanwhile, the VILTROX 9mm F2.8 lens is also lightweight but does not provide a specific weight in the data.
While both lenses are built with user experience in mind, the SIRUI lens emphasizes its cinematic capabilities with a unique design suited for filmmakers, whereas the VILTROX lens focuses on versatility for various photography styles, making it an excellent choice for vloggers and travel photographers.
Lens Features
The SIRUI 20mm T1.8 boasts a remarkable 1.33x squeeze factor, creating a stunning 2.35:1 widescreen ratio ideal for cinematic visuals. It also features selectable manual and autofocus capabilities powered by a precision STM stepping motor, ensuring smooth and quiet operation.
In contrast, the VILTROX 9mm F2.8 lens offers a large F2.8 aperture that allows for good low-light performance and a wide field of view of 113.8 degrees, equivalent to 13.5mm on a full-frame camera. This lens also includes advanced Eye and Face Detection autofocus, making it easier to capture sharp images of moving subjects.
Image Quality
The image quality derived from the SIRUI 20mm T1.8 is optimized for APS-C and Super 35 sensors, providing excellent coverage and clarity, especially in low-light conditions, thanks to the ultra-fast T1.8 aperture. It offers remarkable depth of field control, making it suitable for dramatic storytelling through visuals.
On the other hand, the VILTROX 9mm F2.8 is equipped with a complex optical design featuring 13 elements in 11 groups, including 2 aspherical elements and 3 extra-low dispersion elements. This design helps to control distortion and vignetting, ensuring sharpness across the frame, making it ideal for landscape photography and group shots.
Autofocus Capabilities
The SIRUI 20mm T1.8 is equipped with an advanced autofocus system that includes eye-tracking capabilities, ensuring that subjects remain in sharp focus during dynamic shots. The lens also features an AF/MF switch and autofocus lock, allowing for greater creative control, especially in video production.
Conversely, the VILTROX 9mm F2.8 lens also excels in autofocus with its Eye and Face Detection technology, which is particularly beneficial for capturing spontaneous moments in vlogs and street photography. Both lenses provide excellent autofocus, but the SIRUI lens is better suited for filmmakers due to its additional features.
Versatility and Use Cases
The SIRUI 20mm T1.8 is designed with cinematographers in mind, making it an excellent choice for filmmakers looking to achieve professional cinematic aesthetics. Its wide-angle perspective and fast aperture allow for creative shot compositions, especially in low-light environments.
The VILTROX 9mm F2.8, however, is designed for versatility, making it a great option for both photography and videography. With its ultra-wide angle and close focusing distance of just 0.13m, it excels in capturing expansive landscapes, tight interiors, and group selfies, making it suitable for a variety of shooting situations.
Price and Value
The SIRUI 20mm T1.8 is priced at $599.00, which reflects its advanced features aimed at the cinematic market. In contrast, the VILTROX 9mm F2.8 is priced at $199.00, offering significant savings of about 67%. While the SIRUI lens provides specialized features for filmmakers, the VILTROX lens presents excellent value for photographers and vloggers on a budget.
Both lenses have their merits, but the VILTROX lens's affordability may appeal to those who are just starting in photography or videography, while the SIRUI lens is an investment for those committed to cinematic production.
Which should you buy?
Deciding between the SIRUI 20mm T1.8 Anamorphic Lens and the VILTROX 9mm F2.8 E-Mount APS-C Lens ultimately depends on your specific needs and budget. If your focus is on cinematic creations and you require advanced features for storytelling, the SIRUI lens is worth the investment. However, if you're looking for a versatile, budget-friendly lens for general photography and vlogging, the VILTROX lens offers significant value without compromising on quality.