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SIRUI vs Tamron 35-

Updated July 2026 — SIRUI wins on portability and size, Tamron 35- wins on weight and focal length.

The SIRUI 20mm T1.8 Anamorphic Lens excels in cinematic applications, while the Tamron 35-150mm offers versatility for various photography styles.

Why SIRUI is better

Price

SIRUI is significantly cheaper at $599.

Cinematic Quality

1.33x squeeze factor enhances cinematic visuals.

Lightweight

Weighs only 480g, ideal for handheld shooting.

Why Tamron 35- is better

Versatility

Zoom range from 35mm to 150mm covers more scenarios.

Autofocus Speed

VXD motor provides high-speed autofocus.

Optical Performance

Outstanding performance throughout the zoom range.

Overall score

SIRUI
85
Tamron 35-
92

Specifications

SpecSIRUITamron 35-
Max ApertureT1.8F2-2.8
Focal Length20mm35-150mm
AutofocusSTMVXD
Weight480g1160g
Image CircleSuper 35Full Frame

Dimension comparison

SIRUITamron 35-

Overview of the SIRUI 20mm T1.8 Anamorphic Lens

The SIRUI 20mm T1.8 Anamorphic Lens is designed for E mount cameras, offering a unique blend of features for cinematographers and video creators. Priced at $599.00, this lens provides a cinematic experience with its 1.33x squeeze factor, allowing users to achieve a 2.35:1 widescreen ratio without cropping. It stands out for its autofocus capabilities, which include eye-tracking and a smooth STM stepping motor, making it ideal for dynamic shooting situations. The wide T1.8 aperture enhances low-light performance and provides stunning depth of field control, making it a strong contender for filmmakers seeking immersive visuals.

Overview of the Tamron 35-150mm F/2-2.8 Di III VXD

The Tamron 35-150mm F/2-2.8 Di III VXD lens, retailing for $1,499.00, is a zoom lens tailored for both full-frame and APS-C Sony E-mount cameras. It is notable for being the world's first zoom lens with a maximum aperture of F2-2.8, offering excellent versatility for travel and portrait photography. The lens features a fast VXD linear motor that ensures high-speed and high-precision autofocus. With a close-focusing capability of 13 inches at the wide end, it excels in capturing details, making it a versatile option for various shooting scenarios, from landscapes to intimate portraits.

Image Quality Comparison

In terms of image quality, the SIRUI 20mm T1.8 Anamorphic Lens is engineered to cover Super 35 sensors effectively, delivering excellent clarity and an immersive cinematic perspective, especially suited for wide-angle shots. The 1.33x squeeze factor enhances the visual narrative, especially for filmmakers. On the other hand, the Tamron 35-150mm lens provides outstanding optical performance throughout its zoom range, making it ideal for various photography styles, including portraits and landscapes. The unique combination of a fast aperture and zoom capability allows users to achieve excellent bokeh and detail across different focal lengths, which can be particularly appealing for portrait photographers.

Autofocus Performance

The autofocus performance of the SIRUI 20mm T1.8 Anamorphic Lens is enhanced by its precision STM stepping motor, allowing for quiet and smooth focusing, critical for video work. It also features an AF/MF switch and autofocus lock, providing users with the flexibility to choose their preferred shooting mode. Conversely, the Tamron 35-150mm lens utilizes a VXD linear motor that offers fast and silent autofocus, which is beneficial for both stills and video. The high-speed and high-precision capabilities of the Tamron lens make it particularly appealing for fast-paced shooting environments, ensuring that users can capture fleeting moments without missing a beat.

Portability and Design

The SIRUI 20mm T1.8 Anamorphic Lens is compact and lightweight, weighing only 480g (1.06 lbs), making it an excellent option for handheld shooting and run-and-gun scenarios. Its design is optimized for portability without sacrificing quality, which is essential for independent creators and professionals on the move. In contrast, the Tamron 35-150mm lens is larger and heavier, weighing 41.1 oz. While it provides more versatility with its zoom range, its size may be less convenient for extended handheld or travel shooting. Thus, for photographers who prioritize portability, the SIRUI lens may be the better choice.

Versatility in Shooting

The SIRUI 20mm T1.8 lens excels in specific shooting scenarios, particularly in wide-angle cinematography, allowing for expansive landscapes and dramatic perspectives. Its design is focused on video production, making it ideal for creators who require that cinematic touch. In comparison, the Tamron 35-150mm lens offers greater versatility due to its zoom range, which spans from 35mm to 150mm. This wide coverage allows photographers to transition seamlessly from wide to telephoto shots without changing lenses, making it a strong choice for event and portrait photography where different focal lengths are often required.

Price and Value

The SIRUI 20mm T1.8 Anamorphic Lens is priced at $599.00, making it about 60% cheaper than the Tamron 35-150mm lens, which retails for $1,499.00. For filmmakers focused on creating cinematic content, the SIRUI lens offers significant value with its specialized features at a lower price point. Meanwhile, the Tamron lens, with its advanced zoom capabilities and superior optical performance, may justify its higher price for photographers who need a versatile lens for varied shooting conditions. Ultimately, the choice between the two will depend on the user’s specific needs and budget.

Which should you buy?

Choosing between the SIRUI 20mm T1.8 Anamorphic Lens and the Tamron 35-150mm F/2-2.8 Di III VXD depends largely on your photographic or videographic needs. If you are a filmmaker seeking a high-quality anamorphic lens for cinematic projects at a more accessible price, the SIRUI lens is an excellent option. However, if you require a versatile zoom lens capable of handling a variety of photography styles, the Tamron lens, though pricier, offers unmatched flexibility and performance. Ultimately, both lenses cater to different types of creators, making the decision a matter of personal preference and intended use.