SIRUI vs VILTROX
Updated July 2026 — SIRUI wins on weight and build quality, VILTROX wins on portability and aperture.
The SIRUI 20mm T1.8 excels in cinematic features and low-light performance, while the VILTROX 20mm F2.8 offers great value for everyday photography.
Why SIRUI is better
Cinematic Quality
SIRUI offers anamorphic design for enhanced visuals.
Low-Light Performance
T1.8 aperture allows for better low-light shooting.
Advanced Autofocus
Includes eye-tracking and smooth autofocus features.
Why VILTROX is better
Price
VILTROX is significantly cheaper.
Weight
VILTROX is lighter, making it more portable.
Minimum Focus
VILTROX has a specified minimum focus distance.
Overall score
Specifications
| Spec | SIRUI | VILTROX |
|---|---|---|
| Autofocus | Yes | Yes |
| Image Circle | Super 35 | Full Frame |
| Optical Elements | 12 | 10 |
| Aspect Ratio | 2.35:1 | N/A |
| Price | $599 | $176 |
Dimension comparison
Overview of the SIRUI 20mm T1.8 and VILTROX 20mm F2.8
The SIRUI 20mm T1.8 is a high-performance anamorphic lens designed for E Mount cameras, while the VILTROX 20mm F2.8 serves as a compact prime wide-angle lens for Nikon Z Mount cameras. Both lenses cater to distinct photography needs but differ significantly in their price, features, and intended usage.
The SIRUI lens is priced at $599.00, positioning it as a premium option, whereas the VILTROX lens is available for $176.00, making it about 70% cheaper. This price difference reflects the advanced features and capabilities of the SIRUI lens, particularly its anamorphic design.
Design and Build Quality
The SIRUI 20mm T1.8 boasts a compact and lightweight design, weighing only 480g (1.06lbs). This makes it suitable for various shooting scenarios, including handheld and gimbal work. In contrast, the VILTROX 20mm F2.8 is even more portable, weighing just 173g, which makes it a favorite for spontaneous photography.
While both lenses prioritize portability, the SIRUI lens offers a more robust build for professional cinematography, whereas the VILTROX focuses on lightweight convenience for casual shooting.
Optical Performance
The optical performance of both lenses is impressive but tailored to different applications. The SIRUI 20mm T1.8 features a T1.8 ultra-fast aperture that allows for excellent low-light performance and beautiful bokeh, making it ideal for cinematic shots. Its 1.33x squeeze factor delivers a cinematic 2.35:1 aspect ratio without cropping.
On the other hand, the VILTROX 20mm F2.8 leverages an optical structure of 10 elements in 8 groups, including 2 ED lenses and 2 aspherical lenses, which ensure crisp and clear images. While it does not match the low-light capabilities of the SIRUI lens, it still offers a competent performance for landscape and general photography.
Autofocus Capabilities
The SIRUI 20mm T1.8 features selectable manual and autofocus options powered by a precision STM motor. This provides smooth and quiet autofocus, including eye-tracking capabilities, ideal for video creators. The AF/MF switch and autofocus lock further enhance creative control, making it a preferred choice for filmmakers.
Conversely, the VILTROX 20mm F2.8 also emphasizes fast autofocusing performance, making it effective for capturing moving subjects. It supports EXIF information transmission and offers a near-silent shutter sound, which is excellent for candid photography. While both lenses offer autofocus, the SIRUI lens provides advanced features tailored for video production.
Minimum Focus Distance
The minimum focus distance is crucial for creative framing. The SIRUI 20mm T1.8 does not specify its minimum focus distance, focusing instead on its broader cinematic capabilities. However, the VILTROX 20mm F2.8 has a minimum focus distance of 0.62 feet (0.19m), allowing photographers to capture detailed close-ups without stepping back.
This aspect gives the VILTROX lens an advantage for those who enjoy macro-style photography, while the SIRUI lens caters more to expansive cinematic shots.
Intended Use Cases
The intended use cases for each lens vary significantly. The SIRUI 20mm T1.8 is optimized for filmmakers and serious content creators who require high-quality cinematic visuals. Its features are designed to elevate video production, particularly for those working with Super 35 sensors.
In contrast, the VILTROX 20mm F2.8 is geared towards photographers looking for a versatile lens for everyday use. Its compact design and affordability make it an excellent choice for travel, street photography, and landscape shooting.
Price Comparison
When comparing prices, the SIRUI 20mm T1.8 is priced at $599.00, while the VILTROX 20mm F2.8 costs only $176.00. This substantial difference of about $423 means consumers must consider whether the advanced features of the SIRUI lens justify the investment. The VILTROX lens's price point allows entry-level photographers to access quality optics without breaking the bank.
Which should you buy?
Ultimately, the choice between the SIRUI 20mm T1.8 and the VILTROX 20mm F2.8 depends on your specific needs. If you are a filmmaker seeking a high-quality anamorphic lens with advanced autofocus features and low-light capabilities, the SIRUI lens is worth the investment. However, if you are a photographer looking for a lightweight, budget-friendly lens for everyday shooting, the VILTROX lens offers excellent value. Each lens serves a different purpose, catering to distinct audiences in the realm of photography and videography.