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S erounder vs VILTROX

Updated July 2026 — S erounder wins on weight and focal length, VILTROX wins on price and angle of view.

Winner

The VILTROX 15mm F1.7 E-Mount Lens offers superior versatility and autofocus capabilities, making it the better choice for most photographers. However, the 37mm 0.25X Super Fisheye Lens is a great budget option for creative fisheye effects.

Why S erounder is better

Price

More affordable at $52.35

Weight

Lighter at 228g

Macro Feature

Includes a removable macro lens

Why VILTROX is better

Autofocus

Features quick and precise autofocus

Aperture

Larger F1.7 aperture for low-light performance

Versatility

Suitable for a wider range of photography styles

Overall score

S erounder
65
VILTROX
85

Specifications

SpecS erounder VILTROX
Build MaterialAluminum AlloyNot Specified
Macro CapabilityYesNo
AutofocusNoYes
Closest FocusNot Specified0.23m
Image EffectFisheyeWide Angle

Dimension comparison

S erounder VILTROX

Overview

When it comes to camera lenses, the choice often comes down to specific needs and preferences. In this comparison, we look at the 37mm 0.25X Super Fisheye Lens Additional Lens by S erounder and the VILTROX 15mm F1.7 E-Mount Lens for Sony. The former is priced at $52.35, while the latter is significantly more expensive at $239.00. This price difference of about 78% reflects the distinct functionalities and intended uses of each lens.

Design and Build Quality

The 37mm 0.25X Super Fisheye Lens showcases a sturdy construction, made from high-quality aluminum alloy and optical glass. This material choice not only ensures durability but also contributes to a lightweight design, weighing approximately 228 grams. In contrast, the VILTROX 15mm F1.7 E-Mount Lens exudes professionalism with its compact design tailored for Sony E-mount cameras. While the specific materials are not highlighted, the emphasis on its features suggests a solid build intended for rigorous use in various photography scenarios.

Optics and Image Quality

The optical performance is where these two lenses diverge significantly. The 37mm 0.25X Super Fisheye Lens is designed to deliver an expansive fisheye effect, ideal for creative photography, with a magnification of 0.25X. This wide view can produce unique, distorted images that are typical of fisheye lenses. On the other hand, the VILTROX 15mm F1.7 boasts a large aperture of F1.7, which is beneficial for low-light conditions and produces aesthetically pleasing background blur. This lens is optimized for a range of photography styles including landscapes and portraits, providing versatility that may appeal to a broader audience.

Versatility and Use Cases

The applications of these lenses highlight their unique strengths. The 37mm 0.25X Super Fisheye Lens is versatile within its niche, suitable for special shooting occasions that require a fisheye effect. It also includes a removable macro lens that allows for 12.5 times magnification, enhancing its utility for close-up photography. Conversely, the VILTROX 15mm F1.7 is equipped with an eye/face autofocus system and a closest focusing distance of 0.23 meters, making it an excellent choice for dynamic subjects and vloggers. This lens is particularly favorable for capturing fast-paced environments, thanks to its reliable autofocus performance.

Autofocus Capabilities

Autofocus functionality is a crucial factor in modern photography, and here the VILTROX 15mm F1.7 shines brightly. It features an STM motor designed for quick and precise autofocus, allowing photographers to capture fleeting moments effortlessly. In contrast, the 37mm 0.25X Super Fisheye Lens does not emphasize autofocus, as it is primarily a manual lens aimed at creative photography. This distinction makes the VILTROX lens more appealing for those who prioritize speed and ease of use in their shooting experience.

Portability and Convenience

Portability is another area where the two lenses differ. The 37mm 0.25X Super Fisheye Lens comes with a storage bag, making it easy to carry and store. Its lightweight design enhances its convenience for travel and outdoor shooting. While the VILTROX 15mm F1.7 is also compact, it does not mention additional carrying accessories. However, its design is still user-friendly and suitable for photographers on the go, especially for those using it for vlogging or travel photography.

Price Comparison

The price difference between the two lenses is substantial, with the 37mm 0.25X Super Fisheye Lens retailing at $52.35 and the VILTROX 15mm F1.7 priced at $239.00. This means that the VILTROX lens is about 78% more expensive. This significant price gap may deter some buyers, particularly those who are looking for a budget-friendly option. However, it's essential to consider what features and capabilities justify the higher price point, especially for professional photographers and videographers.

Which should you buy?

Choosing between the 37mm 0.25X Super Fisheye Lens and the VILTROX 15mm F1.7 E-Mount Lens ultimately depends on your specific photography needs. If you're looking for a specialized lens that offers creative fisheye effects and macro capabilities at an affordable price, the 37mm lens is a solid choice. However, if you require a versatile, high-performance lens with excellent autofocus capabilities for a variety of shooting scenarios, the VILTROX lens justifies its higher price point with its advanced features and superior optical quality.