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SIRUI vs VILTROX AF

Updated July 2026 — SIRUI wins on length and focal length, VILTROX AF wins on weight and diameter.

The SIRUI 20mm T1.8 excels in cinematic features, while the VILTROX AF 16mm f/1.8 offers compactness and innovative usability.

Why SIRUI is better

Cinematic Features

1.33x squeeze factor for widescreen ratio

Low-Light Performance

T1.8 aperture for better low-light capabilities

Autofocus Control

Advanced autofocus features for video creators

Why VILTROX AF is better

Compact Design

Lightweight and portable for easy handling

Built-in LCD

LCD display for quick access to lens information

Image Quality

Exceptional corner-to-corner resolution

Overall score

SIRUI
88
VILTROX AF
85

Specifications

SpecSIRUIVILTROX AF
Max ApertureT1.8f/1.8
AutofocusYesYes
Image CircleSuper 35Full Frame
Weight480g552g
Build MaterialMetalMetal

Dimension comparison

SIRUIVILTROX AF

Overview of the SIRUI 20mm T1.8 and VILTROX AF 16mm f/1.8

The SIRUI 20mm T1.8 and VILTROX AF 16mm f/1.8 are two exceptional lenses catering to different needs in the realm of photography and videography. Priced at $599.00 and $580.00 respectively, these lenses offer unique features aimed at enhancing creative expression. The SIRUI lens is designed for E Mount cameras, while the VILTROX lens is compatible with Nikon Z-mount mirrorless cameras, establishing a clear distinction in their target audiences.

Image Quality

When it comes to image quality, both lenses offer impressive capabilities, albeit with different focal lengths and technical features. The SIRUI 20mm T1.8 employs a 1.33x squeeze factor, producing a cinematic 2.35:1 widescreen ratio in 16:9 mode, which is particularly beneficial for videographers looking for that cinematic flair. On the other hand, the VILTROX AF 16mm f/1.8 excels with its three aspherical elements and four ED glass elements, which work together to provide outstanding corner-to-corner resolution and suppress color bleeding. This results in both lenses delivering exceptional image quality, but tailored to different styles of photography and videography.

Aperture and Light Gathering

The SIRUI 20mm features an ultra-fast T1.8 aperture, allowing more light to enter, which is advantageous for low-light conditions and achieving soft bokeh effects. In contrast, the VILTROX AF 16mm also boasts a maximum aperture of f/1.8, ensuring that it captures adequate light for stunning images as well. However, the SIRUI's wider T1.8 aperture gives it a slight edge in low-light performance, making it preferable for night scenes and situations requiring a shallow depth of field.

Autofocus Capabilities

Both the SIRUI 20mm T1.8 and VILTROX AF 16mm f/1.8 incorporate advanced autofocus systems. The SIRUI lens uses a precision STM stepping motor, providing smooth and quiet autofocus, along with eye-tracking capabilities for accurate focus on subjects. The VILTROX lens also boasts fast and precise autofocus, with a minimum focus distance of just 0.88 feet, allowing for dynamic close-ups with beautiful background bokeh. While both lenses offer effective autofocus systems, the SIRUI's additional features aimed at video creators give it a slight advantage for cinematic work.

Build Quality and Design

In terms of build quality, the VILTROX AF 16mm is crafted with a full metal body and includes a lens hood, ensuring durability while remaining lightweight at 19.5 ounces. The SIRUI 20mm T1.8, on the other hand, weighs in at 480 grams (approximately 1.06 pounds) and is also designed to be compact and lightweight, making it suitable for handheld and run-and-gun shooting. Both lenses are made with advanced technology for high performance, but the choice may come down to personal preference regarding weight and material.

Usability Features

The usability features of the VILTROX AF 16mm are particularly noteworthy, as it includes a built-in LCD display that shows lens information without needing to divert attention from the viewfinder. This innovative feature enhances shooting efficiency, especially for those who frequently adjust settings. The SIRUI 20mm, while lacking an LCD display, compensates with its AF/MF switch and autofocus lock, which are essential for cinematographers wanting precise control over their focus points.

Price Comparison

The SIRUI 20mm T1.8 is priced at $599.00, while the VILTROX AF 16mm f/1.8 is slightly more affordable at $580.00. This makes the VILTROX lens about 3.2% cheaper than the SIRUI lens. While the price difference is minimal, it may influence buyers on a budget or those seeking value for features. Both lenses offer unique capabilities tailored to their respective user bases, justifying their price points.

Which should you buy?

Choosing between the SIRUI 20mm T1.8 and the VILTROX AF 16mm f/1.8 ultimately depends on your specific needs and preferences. If you are a videographer looking for a cinematic lens with advanced autofocus features and a wide aperture for low-light conditions, the SIRUI lens would be a great investment. Conversely, if you prioritize compactness, exceptional image quality, and innovative usability features like the built-in LCD display, the VILTROX lens would suit you well. Each lens has its strengths, making either a worthy addition to your photography or videography toolkit.