SIRUI Night Walker vs Sony FE 1.4x Teleconverter
Updated July 2026 — SIRUI Night Walker wins on weight and compatibility, Sony FE 1.4x Teleconverter wins on price and aperture.
The SIRUI Night Walker lens offers superior low-light performance and value, while the Sony teleconverter provides versatility for extending lens reach.
Why SIRUI Night Walker is better
Price
SIRUI lens is $279, significantly cheaper than Sony's $598.
Low-light Performance
SIRUI lens has a T1.2 aperture for excellent low-light shooting.
Build Quality
SIRUI lens is lightweight at 500g, ideal for filmmakers.
Why Sony FE 1.4x Teleconverter is better
Versatility
Sony teleconverter extends focal length of existing lenses.
Weather Resistance
Sony teleconverter has a dust and moisture-resistant design.
Optical Performance
Sony teleconverter maintains full optical quality with compatible lenses.
Overall score
Specifications
| Spec | SIRUI Night Walker | Sony FE 1.4x Teleconverter |
|---|---|---|
| Aperture | T1.2 | 1.4 |
| Weight | 500g | N/A |
| Compatibility | E-mount cameras | SEL70200GM, SEL100400GM |
| Price | $279.00 | $598.00 |
| Weather Resistance | No | Yes |
Dimension comparison
Introduction to the Products
In this comparison, we will explore two distinct camera accessories: the SIRUI Night Walker 35mm S35 Manual Focus Cine Lens and the Sony FE 1.4x Teleconverter. The SIRUI lens is priced at $279.00, while the Sony teleconverter retails for $598.00, making the SIRUI lens about 53% cheaper. Each product serves a unique purpose in the realm of photography, catering to different needs and preferences.
Design and Build Quality
When it comes to design and build quality, the SIRUI Night Walker lens boasts a sturdy aluminum housing that protects its optical elements while remaining lightweight at around 500 grams. This construction is ideal for filmmakers who require portability without sacrificing durability. In contrast, the Sony FE 1.4x Teleconverter is also designed for reliability, featuring a dust and moisture-resistant design that ensures it withstands outdoor conditions. While both products are well-engineered, the choice between them may come down to whether you prefer a dedicated lens or a versatile teleconverter.
Optical Performance
The SIRUI Night Walker lens is designed with a large T1.2 aperture that excels in low-light conditions. This allows for excellent bokeh quality and sharp subject focus, which is vital for filmmakers aiming for expressive shots. The lens structure consists of 11 elements in 10 groups, achieving impressive sharpness and minimal aberration. On the other hand, the Sony FE 1.4x Teleconverter maintains full optical performance when attached to compatible lenses, multiplying the focal length without compromising image quality or autofocus performance. Both products offer high optical performance, but the SIRUI lens may have an edge for low-light cinematic work.
Intended Use Cases
The SIRUI Night Walker lens is particularly well-suited for filmmakers focusing on humanity, documentary, and portrait filming, given its 35mm (equivalent to 49mm full-frame) focal length and fast aperture. This makes it ideal for capturing intimate moments with a cinematic flair. Conversely, the Sony FE 1.4x Teleconverter is designed for wildlife and sports photography, providing the versatility of extending the reach of compatible lenses while only sacrificing one stop of light. Depending on your primary photography focus, either product could significantly enhance your capabilities.
Compatibility
Compatibility is a crucial factor in choosing between these two products. The SIRUI Night Walker lens is specifically designed for E-mount cameras such as the FX30, ZVE-10, A6500, and A6600, making it an excellent choice for users of these camera systems. Meanwhile, the Sony FE 1.4x Teleconverter is compatible with select Sony E-mount lenses, specifically the SEL70200GM and SEL100400GM, ensuring users maintain full performance and operability. If you own specific lenses, your choice may hinge on which product enhances your existing setup more effectively.
Price and Value
With a price point of $279.00, the SIRUI Night Walker lens offers considerable value, especially given its advanced features and performance in low-light conditions. In comparison, the Sony FE 1.4x Teleconverter is priced at $598.00, which is significantly higher. While the teleconverter provides unique capabilities, the SIRUI lens presents a more budget-friendly option that does not compromise on quality. This price difference may influence photography enthusiasts who are looking for performance without breaking the bank.
User Experience and Handling
The SIRUI Night Walker lens features a focus ring with a rotation angle of 270°, which allows for precise manual focusing—a vital aspect for cine applications. Its lightweight design enhances user experience, making it less cumbersome during long shoots. The Sony FE 1.4x Teleconverter, while compact, is primarily designed to extend the functionality of existing lenses, which may not provide the same level of hands-on experience as a dedicated lens. For filmmakers and photographers who prioritize tactile control, the SIRUI lens might be the more satisfying choice.
Which should you buy?
Ultimately, the decision between the SIRUI Night Walker 35mm S35 Manual Focus Cine Lens and the Sony FE 1.4x Teleconverter boils down to your specific needs. If you are a filmmaker seeking a high-quality lens for low-light conditions and expressive shots, the SIRUI lens at $279.00 offers excellent value and performance. Conversely, if you require a tool to extend the reach of your existing Sony lenses for wildlife or sports photography, the Sony teleconverter, despite its higher price of $598.00, provides unparalleled versatility. Consider your shooting style and budget when making your choice.

