7artisans AF vs OM SYSTEM Olympus M.Zuiko Digital 40-
Updated July 2026 — 7artisans AF wins on aperture and weight, OM SYSTEM Olympus M.Zuiko Digital 40- wins on zoom and build.
The 7artisans AF 25mm f1.8 lens excels in low-light performance and portability, making it ideal for specific photography styles, while the OM SYSTEM lens offers versatility with its zoom capabilities.
Why 7artisans AF is better
Low Light
F1.8 aperture enhances low-light performance.
Weight
Weighs only 183g, making it highly portable.
Eye Tracking
Features advanced eye recognition technology.
Why OM SYSTEM Olympus M.Zuiko Digital 40- is better
Zoom Range
Offers a versatile 40-150mm focal length.
Build Quality
Designed for durability with a solid construction.
Image Stabilization
Provides better stabilization for handheld shooting.
Overall score
Specifications
| Spec | 7artisans AF | OM SYSTEM Olympus M.Zuiko Digital 40- |
|---|---|---|
| Focal Length | 25mm | 40-150mm |
| Max Aperture | F1.8 | F4-5.6 |
| Weight | 183g | Various |
| Autofocus | STM | MSC |
| Price | $125.00 | $175.99 |
Dimension comparison
Introduction to the Lenses
When considering the 7artisans AF 25mm f1.8 APS-C Prime Lens for Fuji X Mount and the OM SYSTEM Olympus M.Zuiko Digital 40-150mm F4.0-5.6 R, it's important to understand their distinct functionalities and target users. The 7artisans lens is priced at $125.00, making it a more budget-friendly option compared to the Olympus lens, which retails for $175.99, roughly 41% more expensive. Both lenses serve different photographic needs, which will be explored in detail.
Lens Type and Focus Mechanism
The 7artisans AF 25mm f1.8 is a prime lens designed specifically for Fuji X Mount cameras, featuring an STM stepping motor for quiet and precise focusing. This makes it especially suitable for portrait and street photography where quick adjustments are necessary. In contrast, the OM SYSTEM Olympus lens is a zoom lens with a focal length of 40-150mm and a maximum aperture of F4-5.6. This versatility allows for greater framing options, but it lacks the fast aperture of the 7artisans lens, which is vital for low-light conditions.
Aperture and Low Light Performance
The 7artisans lens boasts a large aperture of F1.8, which significantly enhances its performance in low-light settings. This feature allows for greater light capture, enabling faster shutter speeds and cleaner images at lower ISO levels. On the other hand, the Olympus lens has a maximum aperture that ranges from F4 to F5.6, which can limit its effectiveness in dim environments. Thus, for those who often shoot indoors or during twilight, the 7artisans lens is likely the superior choice.
Weight and Portability
Weighing just 183 grams, the 7artisans lens is notably lightweight and portable, making it ideal for photographers on the move. This feature is particularly appealing for street photography or travel, where ease of carrying gear is essential. In contrast, while the OM SYSTEM lens is designed for portability, it is inherently bulkier due to its zoom capabilities. If you prioritize a lightweight setup, the 7artisans lens stands out in this regard.
Focal Length Versatility
The focal length of the OM SYSTEM Olympus lens ranges from 40mm to 150mm, offering considerable versatility for capturing a variety of subjects, from portraits to landscapes. This 3.75x zoom capability is a strong selling point for photographers who prefer a single lens for multiple shooting scenarios. However, the 7artisans lens, with its fixed 25mm focal length, excels in specific types of photography, particularly portraiture and street scenes. The choice between versatility and specialization will depend on the user's shooting style.
Autofocus Capabilities
The 7artisans AF 25mm f1.8 lens features advanced eye recognition technology, allowing it to quickly lock onto and track subjects' eyes, making it particularly useful for portrait photography. This feature is complemented by its fast and quiet STM motor, ensuring that focus adjustments do not disrupt the shooting experience. The OM SYSTEM lens, while equipped with high-speed imager autofocus, does not offer the same level of precision for eye tracking. Thus, for photographers who prioritize sharp, clear portraits, the 7artisans lens may be the better option.
Price Comparison
The 7artisans AF 25mm f1.8 is currently priced at $125.00, while the OM SYSTEM Olympus lens is available for $175.99. This price difference of about $50 indicates that the 7artisans lens is approximately 28% cheaper. For budget-conscious photographers or those just starting, this lower price point may be particularly attractive. However, the investment in the OM SYSTEM lens might be justified for those seeking the additional versatility of a zoom lens.
Which should you buy?
Ultimately, the choice between the 7artisans AF 25mm f1.8 and the OM SYSTEM Olympus M.Zuiko Digital 40-150mm F4.0-5.6 R depends on your specific photography needs. If you are focused on portraiture, low-light performance, and portability, the 7artisans lens is an excellent choice at a lower price point. However, if you prefer the flexibility of a zoom lens for varied shooting scenarios, the OM SYSTEM lens is worth the additional investment. Consider your shooting style and preferences to make the best decision for your photographic journey.

