SIRUI vs Sony FE
Updated July 2026 — SIRUI wins on price, Sony FE wins on aperture and autofocus.
The SIRUI 20mm T1.8 offers unique cinematic features at a lower price, while the Sony FE 35mm f/1.8 excels in versatility and image quality.
Why SIRUI is better
Price
SIRUI is $199 cheaper than Sony
Cinematic Features
Anamorphic design for unique visuals
Weight
SIRUI is lighter at 480g
Why Sony FE is better
Aperture
Sony has a faster f/1.8 aperture
Autofocus
Sony features a linear-motor autofocus system
Versatility
Sony is suitable for both photography and videography
Overall score
Specifications
| Spec | SIRUI | Sony FE |
|---|---|---|
| Focal Length | 20mm | 35mm |
| Max Aperture | T1.8 | f/1.8 |
| Image Circle | 37mm | Full Frame |
| Weight | 480g | Not specified |
| Autofocus Type | STM | Linear Motor |
Dimension comparison
Overview of the SIRUI 20mm T1.8 Anamorphic Lens
The SIRUI 20mm T1.8 Anamorphic Lens is priced at $599.00, making it a compelling choice for filmmakers looking to create cinematic visuals. Its 1.33x squeeze factor delivers a 2.35:1 widescreen ratio, ideal for capturing expansive scenes without cropping. The lens is optimized for APS-C and Super 35 sensors, allowing it to cover a 37mm image circle effectively. This lens is particularly suited for independent creators and professional productions due to its compact design and lightweight construction.
Overview of the Sony FE 35mm f/1.8 Lens
The Sony FE 35mm f/1.8 Lens comes in at $798.00, offering excellent performance for both full-frame and APS-C cameras. With a fast f/1.8 aperture, this lens provides beautiful bokeh, making it a great option for portrait and low-light photography. Its compact and lightweight design enhances portability, allowing photographers to carry it easily on shoots. The lens features a fast and quiet autofocus system, which is essential for capturing fleeting moments or subjects in motion.
Image Quality and Performance
When it comes to image quality, the SIRUI 20mm T1.8 excels with its unique anamorphic design, providing a cinematic look that is hard to replicate with standard lenses. The lens's T1.8 aperture allows more light to enter, enhancing low-light performance and depth of field control. In comparison, the Sony 35mm lens also boasts impressive quality with its aspherical element that suppresses aberration, resulting in high-resolution images. However, the SIRUI's 1.33x squeeze factor gives it an edge for filmmakers who prioritize cinematic visuals, while the Sony lens is more suited for traditional photography.
Autofocus Capabilities
The SIRUI 20mm T1.8 features selectable manual and autofocus options powered by a precision STM stepping motor, which ensures smooth and quiet focus transitions. This is particularly beneficial for video creators needing eye-tracking capabilities. On the other hand, the Sony FE 35mm f/1.8 is equipped with a linear-motor autofocus system that delivers fast and precise focusing. While both lenses provide reliable autofocus, the SIRUI's additional features make it more versatile for video applications, whereas the Sony lens is optimized for quick photography.
Build Quality and Design
The SIRUI 20mm T1.8 is designed to be compact and lightweight, weighing only 480g (1.06lb). This makes it ideal for handheld shooting and gimbal use. Its construction is tailored for cinematographers who require portability without sacrificing quality. In contrast, the Sony FE 35mm f/1.8 also emphasizes portability with a compact build, but its weight is not specified. Both lenses are designed to be easy to carry, but the SIRUI's lightweight nature may appeal more to those who prioritize mobility in filmmaking.
Price Comparison
The SIRUI 20mm T1.8 is priced at $599.00, while the Sony FE 35mm f/1.8 comes in at $798.00. This makes the SIRUI lens about 25% cheaper than the Sony offering. For those on a budget or who are just starting in filmmaking, this price difference could be a significant factor. However, the investment in the Sony lens may justify its higher price given its versatility for both photography and video, along with its established reputation in the market.
Target Audience
The SIRUI 20mm T1.8 is specifically aimed at filmmakers and content creators who require a lens that can deliver cinematic quality on a budget. Its anamorphic capabilities and lightweight design make it a perfect choice for independent filmmakers or those working on projects with a tight schedule. The Sony FE 35mm f/1.8, however, targets a broader audience, including photographers and videographers who seek a reliable, high-quality lens for general use. Its versatility and performance make it suitable for a wide range of shooting scenarios.
Which should you buy?
Choosing between the SIRUI 20mm T1.8 Anamorphic Lens and the Sony FE 35mm f/1.8 Lens ultimately depends on your specific needs and shooting style. If you are a filmmaker looking for an affordable lens that offers unique cinematic capabilities, the SIRUI is a fantastic option at $599.00. However, if you require a versatile lens that performs well for both photography and videography, the Sony lens, despite its higher price of $798.00, may be worth the investment. Consider what features are most important to you—whether it's the anamorphic design of the SIRUI or the reliable performance of the Sony—to make the best choice for your creative projects.

