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Sony FE vs VILTROX

Updated July 2026 — Sony FE wins on price and build, VILTROX wins on autofocus.

The Sony FE 40mm f/2.5 G Lens excels in build quality and optical performance, while the VILTROX 35mm f1.7 Fuji offers exceptional value and low-light capabilities.

Why Sony FE is better

Optical Quality

Superior corner-to-corner sharpness

Build Quality

Premium aluminum exterior

Brand Reputation

Sony is a well-established brand in photography

Why VILTROX is better

Price

Significantly cheaper at $179

Aperture

Wider f/1.7 aperture for low-light

Autofocus

Faster and quieter autofocus system

Overall score

Sony FE
85
VILTROX
75

Specifications

SpecSony FEVILTROX
Max Aperturef/2.5f/1.7
Focal Length40mm35mm
Elements3 aspheric11 elements
Weight0.5 lbs0.4 lbs
Autofocus TypeNot specifiedSTM motor

Dimension comparison

Sony FEVILTROX

Overview of the Sony FE 40mm f/2.5 G Lens for E

The Sony FE 40mm f/2.5 G Lens offers a premium lens experience with a price tag of $798.00. This ultra-compact lens is designed for both full-frame and APS-C cameras, providing a max aperture of f/2.5, ideal for low-light conditions and creating a shallow depth of field. Its three aspheric elements contribute to impressive corner-to-corner sharpness, making it suitable for various photography styles. The aluminum exterior not only enhances durability but also adds a sophisticated finish, appealing to photographers who value both functionality and aesthetics.

Overview of the VILTROX 35mm f1.7 Fuji

In stark contrast, the VILTROX 35mm f1.7 Fuji lens is significantly more budget-friendly at $179.00, making it about 77% cheaper than the Sony lens. This lens boasts a bright f/1.7 aperture, excelling in low-light situations and offering beautiful background blur (bokeh). With a design featuring 11 elements in 9 groups, including specialized elements to minimize optical distortion, the VILTROX lens is engineered for outstanding image quality. It’s also equipped with a fast and silent autofocus system, making it a versatile choice for photographers capturing dynamic subjects or shooting video.

Build Quality and Design

The build quality of the Sony FE 40mm f/2.5 G Lens is notable, featuring an aluminum exterior that ensures both durability and a premium feel. This lens is ultra-compact and lightweight, which is perfect for photographers on the go. On the other hand, the VILTROX 35mm f1.7 Fuji, while not as luxurious in materials, offers thoughtful design features such as an extended lens hood for stray light protection and a USB-C port for firmware updates. Although the Sony lens is designed with high-quality materials, the practicality of the VILTROX's design features cannot be overlooked, especially for those who value versatility.

Optical Performance

When it comes to optical performance, the Sony FE 40mm f/2.5 G Lens is engineered for high resolution and beautiful bokeh, thanks to its three aspheric elements. This lens promises corner-to-corner sharpness, which is vital for landscape and architecture photography. Conversely, the VILTROX 35mm f1.7 Fuji features a complex optical design that includes two high refractive elements and one extra-low dispersion element, ensuring minimal chromatic aberrations and distortion. Both lenses excel in their own right, but the choice may come down to preferred shooting conditions and styles, with the Sony lens being slightly superior in sharpness.

Aperture and Low-Light Performance

The aperture of a lens significantly impacts its performance in low-light conditions. The Sony FE 40mm f/2.5 G Lens has a maximum aperture of f/2.5, which is good but may not perform as well as the VILTROX 35mm f1.7 Fuji, which has a wider f/1.7 aperture. This difference provides the VILTROX lens with an edge in low-light situations, allowing for more light to enter the lens, which translates to better performance in dim environments. Photographers focused on capturing portraits or night scenes may find the VILTROX’s aperture more beneficial.

Autofocus and Usability

Speed and accuracy in autofocus are essential for capturing decisive moments. The VILTROX 35mm f1.7 Fuji is equipped with a new STM motor, offering fast, precise, and near-silent autofocus performance, which is crucial for both photography and videography. On the other hand, the Sony FE 40mm f/2.5 G Lens does not specify its autofocus technology, making it difficult to compare directly. However, the emphasis on usability in the VILTROX lens, such as minimizing focus breathing, makes it a compelling option for video creators who require smooth focus transitions.

Price Comparison

The price difference between these two lenses is substantial, with the Sony FE 40mm f/2.5 G Lens priced at $798.00 and the VILTROX 35mm f1.7 Fuji at $179.00. This means the Sony lens is approximately 345% more expensive than the VILTROX lens, which could be a significant factor for budget-conscious photographers. The lower price of the VILTROX lens does not come at the expense of quality, as it offers excellent optical performance and usability features for its price point.

Which should you buy?

Deciding between the Sony FE 40mm f/2.5 G Lens and the VILTROX 35mm f1.7 Fuji largely depends on your specific photography needs and budget. The Sony lens stands out with its premium build quality, impressive optical performance, and brand reputation, making it a suitable choice for professional photographers. However, the VILTROX lens offers exceptional value for those seeking a versatile and budget-friendly option, particularly for low-light shooting and dynamic subjects. Ultimately, if you prioritize top-tier performance and are willing to invest, the Sony lens is a worthy choice. Conversely, for photographers looking for quality at a reasonable price, the VILTROX lens is an excellent alternative.