OM SYSTEM Olympus M.Zuiko Digital 40- vs TTArtisan 7.
Updated July 2026 — OM SYSTEM Olympus M.Zuiko Digital 40- wins on zoom and build, TTArtisan 7. wins on compatibility and aperture.
The OM SYSTEM lens is versatile for various photography styles, while the TTArtisan lens excels in low-light and wide-angle shots. Choose based on your specific needs.
Why OM SYSTEM Olympus M.Zuiko Digital 40- is better
Zoom Capability
3.75x zoom is versatile for different photography styles.
Build Quality
Sleek silver design is professional and portable.
Image Magnification
0.16x allows for reasonable close-up shots.
Why TTArtisan 7. is better
Low-Light Performance
F2.0 aperture excels in low-light conditions.
Wide-Angle View
180° diagonal perspective for creative shots.
Price
More budget-friendly at $139.00.
Overall score
Specifications
| Spec | OM SYSTEM Olympus M.Zuiko Digital 40- | TTArtisan 7. |
|---|---|---|
| Focal Length | 40-150mm | 7.5mm |
| Max Aperture | F4-5.6 | F2.0 |
| Angle of View | 30-8.2 | 180° |
| Image Magnification | 0.16x | N/A |
| Camera System | Micro Four Thirds | Sony APS-C |
Dimension comparison
Introduction to the OM SYSTEM Olympus M.Zuiko Digital Lens
The OM SYSTEM Olympus M.Zuiko Digital 40-150mm F4.0-5.6 R Silver is a versatile lens designed for Micro Four Thirds cameras. Priced at $175.99, it offers a 3.75x zoom capability, making it suitable for a range of photography styles, from portraits to landscapes. This lens features a focal length of 40-150mm and a maximum aperture of F4-5.6, which provides decent low-light performance and depth of field control. Its portable design is an added benefit for photographers on the go.
Overview of the TTArtisan 7.5mm F2.0 Lens
The TTArtisan 7.5mm F2.0 lens for Sony APS-C cameras is priced at $139.00, making it about 17% cheaper than the OM SYSTEM lens. This fisheye lens boasts a unique 180° diagonal perspective that allows for creative and dynamic photography. With its F2.0 maximum aperture, it excels in low-light conditions, making it a popular choice for astrophotography. The TTArtisan lens is compatible with a wide range of Sony models, enhancing its versatility for users of different camera systems.
Performance in Various Photography Scenarios
When it comes to performance, the OM SYSTEM lens excels in standard zoom photography, offering a focal length that is ideal for capturing subjects at varying distances. Its maximum image magnification of 0.16x allows for reasonable close-up shots, while the lens's maximum aperture of F4-5.6 may limit its performance in very low-light conditions.
On the other hand, the TTArtisan lens is designed for extreme wide-angle shots, making it ideal for landscapes and creative portraits. Its 180° field of view and F2.0 aperture allow photographers to capture dramatic perspectives and bright images even at night. Therefore, if your focus is on wide-angle photography, the TTArtisan lens would be the more suitable option.
Build Quality and Design
The build quality of the OM SYSTEM Olympus lens is evident in its sleek silver design, which not only looks professional but is also designed for portability. This lens is lightweight, making it easy to carry during extended shooting sessions.
Conversely, the TTArtisan lens has a compact design that complements its unique functionality. The lens cap is specially designed to create a miniature planet effect when not in use, which adds a fun twist to its aesthetic. Both lenses are portable, but their designs cater to different photography needs.
Compatibility with Camera Systems
The OM SYSTEM lens is specifically designed for Micro Four Thirds cameras, such as those from Olympus and Panasonic. This specialization allows for optimized performance with these camera systems, ensuring users can take full advantage of the lens's features.
In comparison, the TTArtisan lens has extensive compatibility with various Sony APS-C models, including the A7III, A6000, and A6400. This wide-ranging compatibility makes the TTArtisan a flexible choice for users with different Sony mirrorless cameras. For photographers who already own a compatible Sony camera, this lens can be an excellent addition to their gear.
Low-Light Performance
Low-light performance is an essential consideration for many photographers. The OM SYSTEM lens has a maximum aperture of F4-5.6, which is decent but may not perform as well in challenging lighting conditions compared to the TTArtisan lens.
The TTArtisan lens stands out with its maximum aperture of F2.0, allowing for brighter images even in low-light scenarios. This capability makes it particularly appealing for night photography and astrophotography, where capturing details in dim environments is crucial. If low-light performance is paramount for you, the TTArtisan lens is clearly the better choice.
Price Comparison and Value
The OM SYSTEM lens is priced at $175.99, while the TTArtisan lens is available for $139.00. This price difference of about $37 indicates that the TTArtisan lens offers a more budget-friendly option for photographers looking for a high-quality wide-angle lens. Considering the capabilities and features of each lens, the TTArtisan may represent a better value for those interested in fisheye photography.
Which should you buy?
Choosing between the OM SYSTEM Olympus M.Zuiko Digital lens and the TTArtisan 7.5mm F2.0 lens depends on your specific photography needs. If you require a versatile zoom lens for a variety of shooting conditions and subjects, the OM SYSTEM lens is a solid choice. However, if you are looking for a creative wide-angle lens that excels in low-light situations, the TTArtisan lens is the better option. Ultimately, your decision should be guided by the type of photography you wish to pursue and the camera system you are using.

