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S erounder vs TTArtisan 7.

Updated July 2026 — S erounder wins on macro, TTArtisan 7. wins on price and weight.

Winner

The TTArtisan 7.5mm F2.0 offers superior optical performance and creative features, making it the better choice for serious photographers. However, the 37mm lens is a budget-friendly option for casual users.

Why S erounder is better

Price

The 37mm lens is significantly cheaper.

Weight

The 37mm lens is lighter at 228g.

Macro Feature

The 37mm lens includes a removable macro lens.

Why TTArtisan 7. is better

Optical Quality

The TTArtisan offers a 180° fisheye perspective.

Aperture

The TTArtisan has a wider f/2.0 aperture.

Compatibility

The TTArtisan is designed for a wider range of Sony cameras.

Overall score

S erounder
65
TTArtisan 7.
85

Specifications

SpecS erounder TTArtisan 7.
Magnification0.25XN/A
ApertureN/Af/2.0
Fisheye AngleWide180°
MaterialAluminumRobust
Compatibility37mmSony E-mount

Dimension comparison

S erounder TTArtisan 7.

Overview of the Products

The 37mm 0.25X Super Fisheye Lens Additional Lens is priced at $52.35, making it a budget-friendly option for those looking to experiment with fisheye photography. In contrast, the TTArtisan 7.5mm F2.0 for Sony is positioned at $139.00, which is about 166% more expensive than the first option. This price difference reflects the varying capabilities and target markets of each lens.

Design and Build Quality

The 37mm 0.25X Super Fisheye Lens features an aluminum alloy construction, ensuring durability while maintaining a lightweight profile. Weighing approximately 228 grams, it is easy to carry, making it suitable for on-the-go photography. Meanwhile, the TTArtisan 7.5mm F2.0 boasts a robust design aimed at mirrorless camera users, enhancing its compatibility with various Sony models. Both lenses promise longevity, but the aluminum alloy of the 37mm lens may appeal to those seeking a more affordable, lightweight option without sacrificing build quality.

Optical Performance

The optical capabilities set these two lenses apart significantly. The 37mm lens offers a fisheye effect with a magnification of 0.25X, which is suitable for wide-angle shots, but lacks the advanced features found in the TTArtisan. On the other hand, the TTArtisan 7.5mm F2.0 provides an ultra-wide 180° diagonal fisheye perspective, delivering vibrant and dynamic images. Its f/2.0 aperture allows for superior low-light performance, making it a better choice for astrophotography and creative shots in challenging lighting conditions.

Versatility in Usage

Both lenses cater to different photography styles. The 37mm 0.25X lens is particularly suited for casual photographers who want to capture unique perspectives without the need for specialized skills. It is lightweight and portable, making it ideal for outdoor and spontaneous shoots. Conversely, the TTArtisan 7.5mm F2.0 shines in versatility, offering creative distortion effects for portraits, landscapes, and astrophotography. Its ability to create exaggerated images also allows photographers to explore artistic avenues that the 37mm lens may not facilitate.

Special Features

The 37mm 0.25X lens comes with a removable macro lens that provides up to 12.5 times magnification, making it a suitable addition for close-up photography. This dual functionality is a strong selling point for users who enjoy macro shots. In contrast, the TTArtisan 7.5mm F2.0 features a specially designed lens cap that enables users to create a miniature planet effect. This unique capability can lead to innovative photographic styles, showcasing the lens's focus on creative expression.

Compatibility with Camera Systems

Compatibility is a crucial factor for potential buyers. The 37mm 0.25X lens is designed for cameras with a 37mm caliber lens, offering strong applicability across various models. However, it may not suit those using different lens mounts. The TTArtisan 7.5mm F2.0 is designed specifically for Sony E-mount mirrorless cameras, making it compatible with a wide range of models, including the A7 series and A6000 series. This specialized design provides more seamless integration for users already within the Sony ecosystem.

Price Comparison

The price difference between the two lenses is significant, with the TTArtisan 7.5mm F2.0 at $139.00 and the 37mm 0.25X lens at $52.35. This makes the TTArtisan about 166% more expensive than the 37mm option. If you're on a budget or just starting with fisheye photography, the 37mm lens is a more accessible choice. However, those looking for enhanced optical performance and creative features may find the investment in the TTArtisan worthwhile.

Which should you buy?

Choosing between the 37mm 0.25X Super Fisheye Lens and the TTArtisan 7.5mm F2.0 depends on your specific needs and budget. If you're looking for a lightweight, versatile lens for casual photography, the 37mm lens at $52.35 is an excellent choice. However, if you aim to explore creative photography and require superior optical performance, the TTArtisan 7.5mm F2.0, despite its higher price of $139.00, offers features that justify the investment.