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S erounder vs 7Artisans

Updated July 2026 — S erounder wins on weight and magnification, 7Artisans wins on angle and price.

Winner

The 37mm 0.25X Super Fisheye Lens offers great value and versatility, while the 7Artisans lens excels in image quality and design for Sony cameras.

Why S erounder is better

Price

More affordable option at $52.35

Versatility

Compatible with all 37mm lenses

Macro Feature

Includes macro lens with 12.5x magnification

Why 7Artisans is better

Image Quality

Advanced optical design with 10 glass elements

Compatibility

Specifically designed for Sony E-mount cameras

Warranty

Includes one-year free repair service

Overall score

S erounder
65
7Artisans
85

Specifications

SpecS erounder 7Artisans
MaterialAluminum Alloy + Optical GlassMetal
EffectFisheye EffectCircular Fisheye
ApertureN/AF2.8-F16
Focusing DistanceN/A0.085m
Storage BagYesNo

Dimension comparison

S erounder 7Artisans

Overview of the 37mm 0.25X Super Fisheye Lens

The 37mm 0.25X Super Fisheye Lens is priced at $52.35, making it an economical choice for photographers seeking a unique perspective. This lens offers a super fisheye effect, suitable for various 37mm caliber camera lenses, enhancing its versatility. Constructed from aluminum alloy and optical glass, it promises durability and longevity. Additionally, this lens can be divided into two parts, allowing for a macro lens with a 12.5 times magnification effect, which is particularly useful for close-up photography.

Overview of the 7Artisans 4mm F2.8 Fisheye Ultra Wide Angle Lens

The 7Artisans 4mm F2.8 Fisheye Ultra Wide Angle Lens is priced at $149.00, making it significantly more expensive than the 37mm lens, with a price difference of about 184%. This lens is specifically designed for Sony E-mount APS-C mirrorless cameras, showcasing its targeted compatibility. With a circular fisheye design that offers a 225° ultra-wide angle view, it provides a strong visual impact in images. The lens construction consists of 10 glass elements in 8 groups, designed to reduce internal reflections and maintain picture quality.

Lens Compatibility

The 37mm 0.25X Super Fisheye Lens is compatible with any camera that has a 37mm lens mount, which allows for broad applicability across various camera brands. In contrast, the 7Artisans 4mm F2.8 lens is explicitly designed for Sony E-mount APS-C mirrorless cameras, including models like the A6300 and A6400. This specific compatibility may limit the 7Artisans lens's audience, while the 37mm lens caters to a broader range of users. Therefore, if you own a Sony mirrorless camera, the 7Artisans lens offers tailored features that may enhance your photography experience.

Image Quality

When it comes to image quality, the 7Artisans 4mm F2.8 lens stands out with its advanced optical design, which includes 10 glass elements. This construction is intended to minimize flaring and ghosting, ensuring high-quality images. The 37mm 0.25X lens, while providing a unique fisheye effect, may not match the optical precision of the 7Artisans lens due to its simpler design. However, the 37mm lens still offers a creative photographic tool, particularly for those interested in unique perspectives and macro photography.

Portability

Portability is a strong point for both lenses, but they cater to different user needs. The 37mm 0.25X Super Fisheye Lens is lightweight at approximately 228 grams and comes with a storage bag, making it easy to transport. The 7Artisans lens is slightly lighter at 201 grams and boasts a compact size that allows it to be easily held and used with one hand. Both lenses are designed for ease of use during travel, but the choice may depend on the specific camera setup and shooting style preferred by the user.

Price Comparison

The 37mm 0.25X Super Fisheye Lens is priced at $52.35, making it an economical choice. In contrast, the 7Artisans 4mm F2.8 lens is priced at $149.00, which is about 184% higher. This significant price difference reflects the advanced features and specialized design of the 7Artisans lens. For budget-conscious photographers or those just experimenting with fisheye effects, the 37mm lens offers excellent value. However, if you are looking for a lens that is specifically designed for high-quality images and compatibility with Sony cameras, the investment in the 7Artisans lens may be justified.

Additional Features and Support

The 37mm 0.25X lens includes a storage bag and a dust removal cloth in its package, enhancing the user experience by providing essential accessories. On the other hand, the 7Artisans lens comes with a one-year free repair service, reflecting the brand's commitment to customer support. This warranty may offer peace of mind for users making a significant investment in their photography gear. Therefore, while both lenses provide excellent features, the additional support from 7Artisans could be an attractive factor for potential buyers.

Which should you buy?

Choosing between the 37mm 0.25X Super Fisheye Lens and the 7Artisans 4mm F2.8 Fisheye Ultra Wide Angle Lens ultimately depends on your specific needs and camera compatibility. If you are looking for a budget-friendly option with versatility and macro capabilities, the 37mm lens is a great choice. However, if you own a Sony E-mount camera and prioritize image quality and advanced features, the 7Artisans lens justifies its higher price with superior optics and design. Your decision should be based on your photography style and the type of shots you aim to capture.