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SIRUI vs TTArtisan Auto Focus

Updated July 2026 — SIRUI wins on price and weight, TTArtisan Auto Focus wins on field of view and focal length.

The SIRUI 20mm T1.8 excels in cinematic applications, while the TTArtisan 35mm F1.8 Mark II offers versatility for everyday photography.

Why SIRUI is better

Cinematic Quality

1.33x squeeze factor for immersive visuals

Low-Light Performance

T1.8 aperture enhances low-light shooting

Autofocus Features

Advanced autofocus with eye-tracking capabilities

Why TTArtisan Auto Focus is better

Price

79% cheaper than SIRUI

Weight

Lighter at 176g compared to 480g

Versatility

Better suited for everyday photography

Overall score

SIRUI
85
TTArtisan Auto Focus
75

Specifications

SpecSIRUITTArtisan Auto Focus
AutofocusPrecision STMUpgraded STM
Image CircleSuper 35APS-C
Squeeze Factor1.33xN/A
Max ApertureT1.8F1.8
BrandSiruiTTARTISAN

Dimension comparison

SIRUITTArtisan Auto Focus

Overview of the SIRUI 20mm T1.8 and TTArtisan 35mm F1.8 Mark II

The SIRUI 20mm T1.8 and TTArtisan 35mm F1.8 Mark II lenses cater to different photography and videography needs. Priced at $599.00 and $125.00 respectively, the SIRUI lens is designed for cinematic applications, while the TTArtisan lens focuses on versatility for portrait and everyday photography. Understanding the strengths of each lens can help you decide which one suits your shooting style better.

Design and Build Quality

The SIRUI 20mm T1.8 is a compact lens weighing 480g (1.06lb), making it suitable for handheld shooting and gimbal use. Its design emphasizes a lightweight and portable nature, crucial for independent filmmakers. In contrast, the TTArtisan 35mm F1.8 Mark II has been upgraded to a lighter weight of 176g from its previous model, enhancing its portability even further. Both lenses are designed for their respective mounts, with the SIRUI accommodating E mount cameras and the TTArtisan tailored for Fuji X-mount series. While both maintain high build quality, the SIRUI lens incorporates advanced features for videography, making it slightly bulkier.

Optical Performance

The SIRUI 20mm T1.8 features a 1.33x squeeze factor, providing a cinematic 2.35:1 widescreen aspect ratio, which is ideal for filmmakers seeking immersive visuals. The lens offers a T1.8 ultra-fast aperture for excellent low-light performance and depth of field control. On the other hand, the TTArtisan 35mm F1.8 Mark II presents a maximum aperture of F1.8, excelling in low-light situations while producing beautiful bokeh effects—perfect for portrait photography. While both lenses offer impressive optical performance, the SIRUI's anamorphic design sets it apart for cinematic storytelling.

Autofocus Capabilities

When it comes to autofocus, the SIRUI 20mm T1.8 utilizes a precision STM stepping motor that provides smooth, quiet, and accurate autofocus. This feature is essential for filmmakers who require reliable focus tracking, especially with its eye-tracking capabilities. Conversely, the TTArtisan 35mm F1.8 Mark II also boasts an advanced autofocus system with a newly upgraded STM motor, ensuring fast and precise focusing for everyday photography. While both lenses provide strong autofocus performance, the added features of the SIRUI lens address the specific needs of film creators more comprehensively.

Focal Length and Versatility

The SIRUI 20mm lens offers a horizontal field of view equivalent to a 22mm full-frame lens, making it ideal for wide-angle shots, landscapes, and tight indoor spaces. This broad perspective is particularly beneficial for cinematic shots that require expansive backgrounds. The TTArtisan 35mm lens, with its equivalent full-frame focal length of 53mm, is versatile for a variety of applications, including portraits, street photography, and landscapes. While the SIRUI excels in wide-angle cinematic applications, the TTArtisan is better suited for everyday photography and portraits, providing a more general-purpose focal length.

Price Considerations

The SIRUI 20mm T1.8 is priced at $599.00, which is significantly higher than the TTArtisan 35mm F1.8 Mark II at $125.00. This places the TTArtisan lens at about 79% cheaper than the SIRUI, making it a more accessible option for casual photographers and enthusiasts. The price difference reflects the specialized features of the SIRUI lens designed for filmmakers, while the TTArtisan provides a budget-friendly alternative for those looking for quality without the cinematic specialization.

Target Audience

The SIRUI 20mm T1.8 is aimed primarily at filmmakers and videographers who require a high-quality anamorphic lens for cinematic projects. Its advanced features, such as the 1.33x squeeze and precise autofocus capabilities, cater to professionals in the industry. In contrast, the TTArtisan 35mm F1.8 Mark II is designed for a broader audience, including amateur photographers and content creators who appreciate a lightweight, versatile lens for a range of subjects. This distinction makes each lens appealing to different user bases based on their specific needs.

Which should you buy?

Choosing between the SIRUI 20mm T1.8 and the TTArtisan 35mm F1.8 Mark II ultimately depends on your photography or videography goals. If you are a filmmaker looking for an anamorphic lens to enhance your cinematic storytelling, the SIRUI offers unique features that justify its higher price. However, if you’re a photographer in need of a versatile and budget-friendly lens for everyday use, the TTArtisan is a compelling choice. Both lenses excel in their respective areas, ensuring that you can find the right fit for your creative endeavors.