S erounder vs VILTROX
Updated July 2026 — S erounder wins on weight and magnification, VILTROX wins on price and diameter.
The VILTROX 28mm f4.5 Pancake Lens offers superior optical performance and convenience, making it the better choice for serious photographers.
Why S erounder is better
Lower Price
37mm lens is $52.35 compared to $99.00 for VILTROX
Macro Feature
37mm lens can be used for macro close-up shooting
Creative Effects
Fisheye effect provides unique photography opportunities
Why VILTROX is better
Optical Quality
VILTROX has exceptional optical performance with sharp images
Compact Design
VILTROX is ultra-compact and lightweight for portability
Convenience
Built-in sliding lens cap adds ease of use
Overall score
Specifications
| Spec | S erounder | VILTROX |
|---|---|---|
| Aperture | Fixed f4.5 | Fixed f4.5 |
| Lens Type | Fisheye | Pancake |
| Macro Capability | Yes | No |
| Optical Design | Standard | 2 Aspherical, 2 ED |
| Compatibility | 37mm | Fujifilm X |
Dimension comparison
Overview of the Products
The 37mm 0.25X Super Fisheye Lens and the VILTROX 28mm f4.5 Pancake Lens target different photography styles and user needs. The fisheye lens offers a unique perspective with its wider picture range and macro capabilities, while the pancake lens is designed for everyday use with its compact size and fixed aperture.
The 37mm 0.25X Super Fisheye Lens is priced at $52.35, making it an appealing option for those interested in creative photography. In contrast, the VILTROX 28mm f4.5 Pancake Lens is priced at $99.00, offering a different set of features suitable for Fujifilm users. Each lens has its own strengths and intended applications, which will be explored further.
Design and Build Quality
The design and build quality of a lens can significantly impact its usability and durability. The 37mm 0.25X Super Fisheye Lens is constructed from high-quality aluminum alloy and optical glass, providing a sturdy feel and long service life. It weighs approximately 228g and comes with a storage bag, making it relatively portable despite its size.
On the other hand, the VILTROX 28mm f4.5 Pancake Lens is ultra-compact, with a diameter of 60.3mm and a thickness of just 15.25mm, weighing only about 60g. This lightweight design enhances its portability, making it an excellent choice for photographers on the go. While both lenses boast durable materials, the VILTROX's compactness may appeal more to those prioritizing convenience.
Optical Performance
When it comes to optical performance, the VILTROX 28mm f4.5 Pancake Lens stands out with its exceptional design, featuring two aspherical and two ED lenses. This combination provides sharp, clear images with high contrast, even in challenging lighting conditions. The fixed aperture of f4.5 ensures consistent performance throughout various environments.
In contrast, the 37mm 0.25X Super Fisheye Lens delivers a unique fisheye effect that is ideal for creative photography. However, it may not match the optical clarity of the VILTROX, which is tailored for standard photography needs. While both lenses serve different purposes, the VILTROX's optical performance is arguably superior for general photography.
Versatility and Use Cases
Versatility is a key factor in choosing a lens, and both the 37mm 0.25X Super Fisheye Lens and the VILTROX 28mm f4.5 Pancake Lens offer unique applications. The fisheye lens provides a wider picture range and can separate into two parts for macro close-up shooting with a magnification effect of 12.5 times. This feature makes it particularly suitable for creative and specialized photography.
Conversely, the VILTROX lens is designed for everyday use with its fixed aperture, making it a solid choice for travel and street photography. Its integrated sliding lens cap adds convenience, eliminating the hassle of misplaced accessories. While the fisheye lens excels in niche photography, the VILTROX caters to a broader range of everyday scenarios.
Price Comparison
The price difference between the two lenses is significant. The 37mm 0.25X Super Fisheye Lens comes at $52.35, making it about 47% cheaper than the VILTROX 28mm f4.5 Pancake Lens, which is priced at $99.00. For photographers on a budget or those looking to experiment with fisheye effects without a hefty investment, the 37mm lens presents a more accessible option.
However, the higher price of the VILTROX lens reflects its premium features and optical performance. For serious photographers who prioritize quality and versatility, the investment may be justified, considering the enhanced capabilities it offers.
Target Audience
The target audience for each lens varies based on their unique features and price points. The 37mm 0.25X Super Fisheye Lens is ideal for amateur photographers, hobbyists, or anyone interested in experimenting with creative photography without significant financial commitment. Its price makes it accessible for those just starting.
In contrast, the VILTROX 28mm f4.5 Pancake Lens is geared towards more serious photographers who own Fujifilm cameras and seek a reliable, high-performance lens. The added features, such as USB firmware upgradability, signal a commitment to long-term usability for users invested in the Fujifilm ecosystem.
Ease of Use
Ease of use is an essential consideration when choosing a lens. The 37mm 0.25X Super Fisheye Lens is designed for straightforward application, especially in creative scenarios. Its lightweight design and included storage bag enhance portability, making it user-friendly for those who wish to capture unique angles on the fly.
The VILTROX 28mm f4.5 Pancake Lens, with its built-in sliding lens cap and fixed aperture, simplifies operation for users, allowing for quick adjustments in the field. While both lenses are user-friendly, the VILTROX's design focuses on delivering a hassle-free experience for photographers who prioritize convenience.
Which should you buy?
Choosing between the 37mm 0.25X Super Fisheye Lens and the VILTROX 28mm f4.5 Pancake Lens ultimately depends on your photographic needs and budget. If you’re looking for a budget-friendly option that offers unique creative effects, the 37mm lens is an excellent choice at $52.35. However, if you prioritize optical performance, versatility, and plan to use it regularly with Fujifilm cameras, the VILTROX lens, despite its higher price of $99.00, offers superior quality and features. Assess your specific needs in photography to make the best choice for your gear collection.

