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SIRUI vs YONGNUO

Updated July 2026 — SIRUI wins on diameter and minimum focus, YONGNUO wins on weight and focal length.

Winner

The SIRUI 20mm T1.8 lens excels in cinematic features and image quality, while the YONGNUO 35mm F1.8 offers great value for everyday photography.

Why SIRUI is better

Cinematic Quality

1.33x squeeze factor for wider aspect ratio

Autofocus Features

Eye-tracking and autofocus lock for video

Low-light Performance

T1.8 aperture enhances low-light shooting

Why YONGNUO is better

Price

Significantly lower cost at $128

Build Quality

Metal construction with waterproof design

Versatility

Suitable for various photography styles

Overall score

SIRUI
85
YONGNUO
70

Specifications

SpecSIRUIYONGNUO
TypeAnamorphicStandard Prime
MountE-MountE-Mount
Image CircleSuper 35APS-C
Max ApertureT1.8F1.8
AutofocusYesYes

Dimension comparison

SIRUIYONGNUO

Overview of the SIRUI 20mm T1.8 Anamorphic Lens

The SIRUI 20mm T1.8 1.33X Anamorphic Lens is designed for E-mount cameras and offers a unique cinematic experience. Priced at $599.00, this lens incorporates advanced features such as a 1.33x squeeze factor, enabling filmmakers to achieve a 2.35:1 wide-screen ratio without cropping. This lens is particularly optimized for Super 35 sensors, providing excellent image clarity and coverage. Its compact size and lightweight design make it ideal for handheld shooting, catering to both independent creators and professional productions.

Overview of the YONGNUO 35MM F1.8 Art Auto Focus Lens

The YONGNUO 35MM F1.8 Art Auto Focus Lens is a budget-friendly option priced at $128.00. It is compatible with Sony E-mount mirrorless cameras and features a versatile focal length that is suitable for various photography styles. With a minimum focusing distance of 0.35mm and a maximum aperture of F1.8, this lens excels in low-light situations, producing beautiful background bokeh. Its solid construction, including a metal outer shell and dustproof design, enhances durability, making it a reliable choice for photographers.

Image Quality Comparison

In terms of image quality, the SIRUI 20mm T1.8 lens offers a more cinematic perspective. Its 1.33x squeeze factor provides a wider aspect ratio, making it ideal for filmmakers seeking dramatic visuals. The lens features a T1.8 ultra-fast aperture that allows ample light, enhancing low-light performance and depth of field control. Meanwhile, the YONGNUO 35MM lens, with its F1.8 aperture, also delivers impressive image quality, particularly for standard photography. It incorporates aspherical and ultra-low dispersion glass lenses to minimize aberrations, ensuring clear and vibrant images.

Autofocus Performance

The autofocus capabilities of the SIRUI 20mm T1.8 are powered by a precision STM stepping motor, which ensures smooth and accurate focus adjustments. This lens's eye-tracking capabilities and autofocus lock feature provide filmmakers with creative control, making it a strong contender for video production. In contrast, the YONGNUO 35MM F1.8 lens is known for its very quiet autofocus, making it suitable for both photography and videography. However, it lacks some of the advanced autofocus features like those found in the SIRUI lens, which may affect its versatility in dynamic shooting scenarios.

Build and Design

When it comes to build quality, the SIRUI 20mm T1.8 lens is designed for heavy use in professional settings. Weighing only 480g, it combines advanced technology with a lightweight form factor, which is advantageous for handheld shooting. On the other hand, the YONGNUO 35MM lens features a solid metal construction with a waterproof design, making it durable for outdoor photography. While both lenses are well-built, the SIRUI lens’s design emphasizes portability, which may appeal more to filmmakers on the move.

Price and Value Proposition

The SIRUI 20mm T1.8 lens is significantly more expensive than the YONGNUO 35MM lens, costing approximately 367% more at $599 compared to $128. This pricing reflects the advanced features and cinematic capabilities offered by the SIRUI lens, which may justify the investment for professional filmmakers. Conversely, the YONGNUO lens provides a great value for amateur photographers and those looking for a reliable standard prime lens without breaking the bank. Its lower price point allows users to invest in other camera gear while still achieving solid image quality.

Target Audience

The SIRUI 20mm T1.8 lens is tailored for cinematographers and video creators who require a lens that can deliver high-quality cinematic visuals. Its features are optimized for filmmaking, making it an excellent choice for professionals and serious enthusiasts. In contrast, the YONGNUO 35MM lens is aimed at entry-level photographers and those seeking a versatile lens for everyday use. Its affordability and ease of use make it suitable for casual shooters and learners looking to expand their photography skills.

Which should you buy?

The choice between the SIRUI 20mm T1.8 Anamorphic Lens and the YONGNUO 35MM F1.8 Art Auto Focus Lens ultimately depends on your specific needs. If you are a filmmaker seeking high-quality cinematic visuals and advanced features, the SIRUI lens is well worth the investment. However, if you are an amateur photographer or someone looking for a versatile and budget-friendly lens, the YONGNUO offers excellent value and quality for its price.