OM SYSTEM Olympus M.Zuiko Digital 40- vs Sony FE
Updated July 2026 — OM SYSTEM Olympus M.Zuiko Digital 40- wins on zoom and aperture, Sony FE wins on price and build.
The OM SYSTEM lens offers great value and versatility, while the Sony lens excels in image quality and low-light performance.
Why OM SYSTEM Olympus M.Zuiko Digital 40- is better
Price
OM SYSTEM lens is significantly cheaper at $175.99.
Zoom Range
OM SYSTEM lens offers a versatile 40-150mm zoom.
Weight
OM SYSTEM lens is lighter and more portable.
Why Sony FE is better
Image Quality
Sony lens provides superior sharpness and low-light performance.
Build Quality
Sony lens has a premium aluminum exterior.
Aperture
Sony lens has a wider maximum aperture of F2.5.
Overall score
Specifications
| Spec | OM SYSTEM Olympus M.Zuiko Digital 40- | Sony FE |
|---|---|---|
| Focal Length | 40-150mm | 40mm |
| Max Aperture | F4-5.6 | F2.5 |
| Image Quality | Decent | Excellent |
| Build Material | Plastic | Aluminum |
| Weight | Light | Compact |
Dimension comparison
Overview of the Lenses
The OM SYSTEM Olympus M.Zuiko Digital 40-150mm F4.0-5.6 R is priced at $175.99, while the Sony FE 40mm f/2.5 G Lens is significantly more expensive at $798.00, making it about 77% more costly. This price difference reflects the distinct functionalities and designs of each lens, catering to different photography needs and styles.
The Olympus lens is designed for Micro Four Thirds System cameras, offering a versatile zoom range of 40-150mm with a maximum aperture of F4-5.6. On the other hand, the Sony lens is a prime lens featuring a fixed focal length of 40mm with a wider maximum aperture of F2.5, which allows for better low-light performance and a shallow depth of field. This fundamental difference in lens design and purpose shapes their respective target audiences.
Design and Build Quality
When it comes to design and build quality, the OM SYSTEM lens showcases a portable design ideal for travel and casual photography. Its lightweight construction makes it easy to carry and handle, which is a significant advantage for photographers on the go.
In contrast, the Sony lens boasts an aluminum exterior that not only enhances its durability but also provides a premium finish. This robust build quality, combined with its ultra-compact size, makes the Sony lens suitable for both full-frame and APS-C cameras, appealing to a broader range of photographers. The design elements of both lenses cater to specific uses, with the Olympus lens focusing on versatility and portability, while the Sony lens emphasizes durability and premium aesthetics.
Image Quality and Performance
In terms of image quality, the OM SYSTEM lens features a maximum image magnification of .16x, which, combined with its zoom capabilities, allows for decent close-up photography. The lens also employs High-Speed Imager AF (MSC) for quicker focusing, making it suitable for capturing fast-moving subjects.
On the other hand, the Sony lens is engineered with three aspheric elements designed to deliver corner-to-corner sharpness, ensuring high resolution in images. The F2.5 maximum aperture of the Sony lens excels in low-light conditions and offers a beautiful bokeh effect, making it a preferred choice for portrait photography or artistic shots. Overall, while both lenses deliver good image quality, the Sony lens stands out for its sharpness and low-light capabilities.
Focal Length and Versatility
The focal length is a critical factor when choosing a lens, and here the OM SYSTEM lens offers a versatile focal length range of 40-150mm. This zoom capability enables photographers to explore various compositions, from wide-angle shots to tighter portraits, without needing to change lenses frequently.
Meanwhile, the Sony lens features a fixed focal length of 40mm, which provides a standard perspective that is ideal for everyday photography. However, this limitation in zoom flexibility may not cater to those looking for a broader range of compositions. For photographers who prioritize versatility and the ability to adjust framing on the fly, the OM SYSTEM lens is a clear winner.
Low-Light Performance
In low-light situations, the Sony FE 40mm f/2.5 G lens outperforms the OM SYSTEM Olympus lens thanks to its wider maximum aperture of F2.5. This feature allows more light to enter the lens, making it easier to capture clear images in dimly lit environments.
Conversely, the OM SYSTEM lens has a maximum aperture range of F4-5.6, which may restrict its performance in low-light conditions. Photographers who often find themselves shooting in the evening or in poorly lit spaces will likely prefer the Sony lens for its superior low-light capability, enhancing the likelihood of capturing sharp and vibrant images.
Target Audience
The OM SYSTEM lens is primarily aimed at Micro Four Thirds users looking for a versatile and portable option. Its zoom capability and lightweight design make it appealing to casual photographers and travelers who need an all-in-one solution for various situations.
In contrast, the Sony lens targets enthusiasts and professionals seeking high-quality images with a premium feel. Its sharpness, low-light performance, and robust build quality make it attractive to those who prioritize image quality and are willing to invest more in their gear. Thus, the target audience for each lens reflects their unique strengths and intended use cases.
Price Comparison
The OM SYSTEM lens is priced at $175.99, which is a substantial savings compared to the Sony lens, which costs $798.00. This price difference of about $622.01 makes the Olympus option significantly more accessible for those on a budget.
While the Sony lens offers advanced features that justify its higher price, such as superior low-light performance and build quality, the Olympus lens provides an excellent value for those who may not require such premium capabilities. For photographers who are cost-conscious but still want a reliable lens, the OM SYSTEM lens is a compelling choice.
Which should you buy?
Ultimately, the decision between the OM SYSTEM Olympus M.Zuiko Digital 40-150mm F4.0-5.6 R and the Sony FE 40mm f/2.5 G Lens hinges on individual needs and preferences. If versatility, portability, and affordability are your priorities, the OM SYSTEM lens is an excellent option at $175.99. However, if you are looking for superior image quality, enhanced low-light performance, and a premium build, the Sony lens, despite its higher price of $798.00, may be worth the investment. Each lens serves its purpose well, catering to different types of photographers.

