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SIRUI vs TTARTISAN

Updated July 2026 — SIRUI wins on weight and image quality, TTARTISAN wins on price.

Winner

The SIRUI 20mm T1.8 offers superior image quality and advanced features for filmmakers, while the TTARTISAN 40mm f2 is a budget-friendly option for general photography.

Why SIRUI is better

Image Quality

Anamorphic design provides unique cinematic visuals.

Low Light Performance

T1.8 aperture enhances low-light capabilities.

Autofocus Features

Advanced eye-tracking autofocus system.

Why TTARTISAN is better

Price

Significantly lower price point.

Portability

Lighter weight for easier transport.

Versatility

Suitable for a wider range of photography.

Overall score

SIRUI
88
TTARTISAN
75

Specifications

SpecSIRUITTARTISAN
Focal Length20mm40mm
ApertureT1.8f/2
Mount TypeE MountZ Mount
Weight480g167g
Image Circle37mmFull Frame

Dimension comparison

SIRUITTARTISAN

Overview of the SIRUI 20mm T1.8 Anamorphic Lens

The SIRUI 20mm T1.8 Anamorphic Lens is designed for E mount cameras, delivering stunning cinematic visuals with its 1.33x squeeze factor. This lens caters to filmmakers who seek a wider aspect ratio of 2.35:1, enabling immersive storytelling without cropping. Priced at $599.00, it targets serious enthusiasts and professionals who prioritize quality and versatility in their shooting.

This lens features a fast T1.8 aperture, allowing for enhanced low-light performance and beautiful bokeh. It is particularly suited for Super 35 sensors, providing a 37mm image circle that ensures excellent clarity and coverage. With its compact and lightweight design at 480g, it is perfect for handheld shooting and gimbal use, making it a versatile choice for independent creators.

Overview of the TTARTISAN 40mm f2 Lens

The TTARTISAN 40mm f2 Lens, priced at $168.00, is a more budget-friendly option designed for Nikon Z mount cameras. This lens offers a full-frame perspective with a 57° angle of view, making it ideal for capturing realistic textures and scenes. Weighing only 167g, it is incredibly portable, allowing for easy transport and use during various shooting conditions.

Its bright f/2 aperture ensures clarity and vibrant color reproduction in low-light scenarios, making it suitable for night photography and indoor environments. The lens also features an advanced autofocus system with STM motor technology, which enhances focus transitions for both still and video applications.

Image Quality

When comparing image quality, the SIRUI 20mm T1.8 excels with its anamorphic design, delivering unique visuals that traditional lenses may not achieve. The 1.33x squeeze factor allows for wider cinematic shots, while the T1.8 aperture enhances low-light performance and depth of field control. This lens is tailored for filmmakers seeking to create distinct visual narratives.

On the other hand, the TTARTISAN 40mm f2 Lens offers true-to-life perspectives, capturing authentic textures and details with its 40mm focal length. Its f/2 aperture provides good low-light capabilities, although it may not create the same level of bokeh as the SIRUI. The overall image quality is solid, especially for general photography and video work, making it a strong contender for casual shooters.

Autofocus Capabilities

Autofocus performance is a critical factor for many photographers and videographers. The SIRUI 20mm T1.8 features a precision STM stepping motor that allows for smooth, accurate, and quiet autofocus. It includes eye-tracking capabilities and an AF/MF switch, giving users full creative control. This makes it an excellent choice for dynamic shooting situations where quick focus adjustments are necessary.

Conversely, the TTARTISAN 40mm f2 Lens also employs an STM motor for autofocus, ensuring smooth transitions with minimal breathing during video capture. Its face and eye tracking capabilities further enhance its usability for portrait and event photography. While both lenses offer robust autofocus systems, the SIRUI may have a slight edge for those prioritizing advanced tracking features.

Build Quality and Portability

In terms of build quality, the SIRUI 20mm T1.8 is designed with a focus on durability and professional use. Its compact size and lightweight design make it suitable for handheld shooting, but its construction is aimed at withstanding the rigors of professional filmmaking. Weighing 480g, it balances portability with robustness.

The TTARTISAN 40mm f2, crafted from premium aerospace aluminum, weighs just 167g, making it exceptionally portable. This lens is perfect for photographers who prioritize lightweight gear for travel or street photography. While both lenses offer good build quality, the TTARTISAN's ultra-portable design may appeal more to casual users or those needing to minimize gear weight.

Target Audience

The SIRUI 20mm T1.8 is primarily aimed at filmmakers and serious content creators who demand high-quality visuals and advanced features. Its price point of $599.00 reflects its target audience of professionals who are willing to invest in specialized equipment for cinematic projects. The lens’s capabilities make it ideal for narrative filmmaking and high-end video production.

In contrast, the TTARTISAN 40mm f2 Lens is designed for a broader audience, including both amateur photographers and professionals who appreciate a versatile, all-purpose lens at a lower price point of $168.00. Its ease of use and excellent performance in various situations make it accessible for enthusiasts looking for quality without breaking the bank.

Price Comparison

There's a significant price difference between the two lenses, with the SIRUI 20mm T1.8 priced at $599.00, while the TTARTISAN 40mm f2 comes in at just $168.00. This makes the TTARTISAN about 72% cheaper than the SIRUI, which may be a crucial factor for budget-conscious buyers. While the SIRUI offers advanced features tailored for filmmakers, the TTARTISAN provides excellent value for those seeking a reliable lens for everyday photography.

Which should you buy?

Choosing between the SIRUI 20mm T1.8 Anamorphic Lens and the TTARTISAN 40mm f2 Lens ultimately depends on your specific needs and budget. If you are a filmmaker in need of top-notch image quality, advanced autofocus, and unique visual storytelling capabilities, the SIRUI is worth the investment. However, if you are looking for a versatile, lightweight lens for general photography or casual video work without straining your budget, the TTARTISAN is a fantastic choice.