7Artisans vs 7artisans 7.
Updated July 2026 — 7Artisans wins on field of view, 7artisans 7. wins on weight and length.
The 7Artisans 4mm F2.8 offers a wider field of view, while the 7.5mm F2.8 II excels in versatility and low-light performance.
Why 7Artisans is better
Wider FOV
225-degree field of view vs 190-degree
Lightweight
Weighs 201g compared to 7.5mm's heavier build
Compact Size
Smaller dimensions make it easier to carry
Why 7artisans 7. is better
Low Light
Better performance in low light due to optimized aperture
Build Quality
Full metal body with advanced optical elements
Versatility
Suitable for a wider range of photography styles
Overall score
Specifications
| Spec | 7Artisans | 7artisans 7. |
|---|---|---|
| Price | $149.00 | $139.00 |
| Compatibility | A6300, A6400, A7 | A7, A7II, A6500 |
| Focus Type | Manual | Manual |
| Construction | Plastic | Metal |
| Warranty | 1 Year | 1 Year |
Dimension comparison
Overview of the 7Artisans 4mm F2.8 Fisheye and 7.5mm F2.8 II Fisheye Lenses
When it comes to ultra-wide angle lenses for Sony E-mount cameras, the 7Artisans 4mm F2.8 Fisheye and the 7.5mm F2.8 II Fisheye Lens are two compelling options. The 4mm lens is priced at $149.00, while the 7.5mm lens offers a slightly lower price at $139.00, making it about 7% cheaper. Both lenses are designed for manual focus and provide unique perspectives, but they differ significantly in specifications and intended use.
Design and Build Quality
The design and build quality of both lenses play a crucial role in their performance and usability. The 7Artisans 4mm F2.8 lens is constructed with 10 glass elements housed in a compact body weighing only 201 grams. Its dimensions make it easy to handle and transport, ideal for travel photographers. On the other hand, the 7.5mm F2.8 II lens features 9 groups of 11 elements and boasts a full metal body with a petal lens hood. The 7.5mm lens also incorporates advanced optical elements, which help to reduce chromatic aberration. Thus, if durability and premium feel are priorities, the 7.5mm lens may have the edge.
Image Quality and Performance
Both lenses are designed to deliver high-quality images, but their optical characteristics differ. The 7Artisans 4mm F2.8 lens offers a 225-degree field of view, which provides an extreme fisheye effect, making it suitable for creative photography that requires a broader perspective. Conversely, the 7.5mm F2.8 II lens has a slightly narrower 190-degree field of view but compensates with its F2.8 aperture that allows more light to enter, improving image quality in lower light situations. Photographers looking for versatility may prefer the 7.5mm lens, while those focused on achieving a dramatic fisheye effect might lean towards the 4mm option.
Compatibility with Cameras
Compatibility is a vital factor when selecting a lens, especially for mirrorless camera users. The 7Artisans 4mm F2.8 lens is compatible with a wide range of Sony E-mount cameras, including the A6300, A6400, A6500, and even the A7 series. Similarly, the 7.5mm F2.8 II lens also supports a broad spectrum of Sony E-mount models, including A7, A7II, A7R, and A6500, among others. Both lenses have extensive compatibility, making them suitable for various shooting scenarios. However, the 7.5mm lens offers a note for users of the A7 series, suggesting a switch to APS-C format, which could affect usability for some photographers.
Aperture and Low Light Performance
When evaluating lenses for low-light situations, the aperture plays a critical role. Both lenses feature a maximum aperture of F2.8, allowing for adequate light intake. However, the 7.5mm F2.8 II lens is designed to optimize light entry further, enhancing image quality in darker conditions. This characteristic is particularly beneficial for capturing night sky photography or indoor scenes. Thus, while both lenses perform well in low light, the 7.5mm lens may provide slight advantages in image quality and exposure time.
Use Cases and Versatility
Each lens excels in specific use cases due to its unique specifications. The 7Artisans 4mm F2.8 is perfect for those looking to capture expansive landscapes or creatively warped perspectives, thanks to its extreme fisheye effect. It's particularly suited for artistic photography that thrives on dramatic visual flair. The 7.5mm F2.8 II lens, however, is versatile enough for a variety of photography styles, including landscapes, 360-degree panoramas, and even underwater shoots. With its broader applicability, the 7.5mm lens might appeal more to photographers who want a single lens for diverse situations.
Price Comparison
Price is always a significant consideration when making a purchase. The 7Artisans 4mm F2.8 lens is currently priced at $149.00, while the 7.5mm F2.8 II lens comes in at $139.00. This makes the 7.5mm lens about $10 cheaper, or approximately 7% less expensive. While both lenses provide excellent value for their features, the slight cost advantage of the 7.5mm lens may make it the more attractive option for budget-conscious buyers.
Which should you buy?
Ultimately, the decision between the 7Artisans 4mm F2.8 and the 7.5mm F2.8 II fisheye lenses boils down to your specific needs and shooting style. If you are keen on capturing dramatic fisheye effects with a wider 225-degree field of view, the 4mm lens is an excellent choice. However, if you seek a more versatile lens with robust low-light performance and a slightly lower price point, the 7.5mm lens may serve you better. Consider your photography goals, compatibility needs, and budget to make the best choice for your camera gear.

