lightdow EF/EF-S 420- vs OM SYSTEM Olympus M.Zuiko Digital 40-
Updated July 2026 — lightdow EF/EF-S 420- wins on focal length and weight, OM SYSTEM Olympus M.Zuiko Digital 40- wins on zoom ratio.
The EF/EF-S 420-800mm lens offers a budget-friendly option for Canon users, while the OM SYSTEM lens provides advanced autofocus and portability for Micro Four Thirds users.
Why lightdow EF/EF-S 420- is better
Price
The EF/EF-S lens is significantly cheaper.
Focal Length
Longer focal length for distant subjects.
Manual Control
Offers a fully manual focus experience.
Why OM SYSTEM Olympus M.Zuiko Digital 40- is better
Autofocus
High-speed imager autofocus for quick focusing.
Portability
More compact and lightweight design.
Versatility
Suitable for a wider range of photography styles.
Overall score
Specifications
| Spec | lightdow EF/EF-S 420- | OM SYSTEM Olympus M.Zuiko Digital 40- |
|---|---|---|
| Focal Length | 420-800mm | 40-150mm |
| Max Aperture | F8.3 | F4.0-5.6 |
| Autofocus | Manual | High-Speed |
| Compatibility | Canon | Micro Four Thirds |
| Weight | Heavy | Light |
Dimension comparison
Overview of the EF/EF-S 420-800mm F8.3 Telephoto Zoom Lens
The EF/EF-S 420-800mm F8.3 Telephoto Zoom Lens is priced at $67.99, making it a budget-friendly option for photographers seeking telephoto capabilities. This lens is designed for Canon DSLR cameras and offers a fully manual focus experience, which can be beneficial for those looking to enhance their photographic skills. Its design allows for precise control over focus and exposure settings, providing an excellent opportunity for creativity. With a focal length range of 420-800mm, it is tailored for capturing distant subjects with impressive detail.
Overview of the OM SYSTEM Olympus M.Zuiko Digital 40-150mm F4.0-5.6 R
The OM SYSTEM Olympus M.Zuiko Digital 40-150mm F4.0-5.6 R is priced at $175.99 and is part of the Micro Four Thirds system, making it a versatile option for users of Olympus and Panasonic cameras. This lens offers a more compact design, making it portable and suitable for various shooting scenarios. With a focal length range of 40-150mm and a maximum aperture of F4.0-5.6, it is ideal for general photography, including portraits and landscapes. Its high-speed imager autofocus feature ensures quick and accurate focusing, enhancing the overall shooting experience.
Key Features of the EF/EF-S 420-800mm F8.3 Telephoto Zoom Lens
The EF/EF-S 420-800mm lens boasts several impressive features that cater to professional photographers. It offers a super telephoto zoom capability, making it suitable for wildlife and sports photography. The lens is fully manual, which requires users to engage with the camera settings actively, promoting a deeper understanding of photography fundamentals. The lens includes an adapter ring at no additional cost, which adds to its value. Additionally, it is compatible with a wide range of Canon EF/EF-S mounts, ensuring versatility across various Canon DSLR models.
Key Features of the OM SYSTEM Olympus M.Zuiko Digital 40-150mm F4.0-5.6 R
The OM SYSTEM Olympus lens presents a focal length of 40-150mm, providing a versatile zoom range suitable for a variety of photography styles. Its maximum aperture of F4.0-5.6 allows for good performance in different lighting conditions, making it a reliable choice for everyday shooting. The lens features high-speed imager autofocus (MSC), which significantly reduces the time taken to achieve focus, an essential feature for capturing fast-moving subjects. This lens is especially beneficial for Micro Four Thirds system users who prioritize portability without compromising on image quality.
Pricing Comparison
The EF/EF-S 420-800mm F8.3 Telephoto Zoom Lens is priced at $67.99, while the OM SYSTEM Olympus lens is listed at $175.99. This means the Olympus lens is about 159% more expensive than the Lightdow lens. For photographers on a budget, the lower price of the EF/EF-S lens may be more appealing, especially for those who are just starting out or experimenting with telephoto photography. However, the higher price of the Olympus lens may reflect its advanced autofocus features and versatility for everyday photography.
Compatibility and Use Cases
The EF/EF-S 420-800mm lens is specifically designed for a wide range of Canon DSLR cameras, making it an excellent choice for Canon users who need a long focal length for distant subjects. It’s especially suited for wildlife photography or sports events, where capturing details from afar is crucial. On the other hand, the OM SYSTEM Olympus lens is compatible with Micro Four Thirds cameras, appealing to a different demographic of photographers who require a compact, lightweight option for travel or casual shooting. Both lenses offer unique advantages depending on the camera system in use.
Performance in Real-World Conditions
In real-world conditions, the EF/EF-S 420-800mm lens requires manual adjustment, which can be challenging for some users but rewarding for those who appreciate hands-on control. The lens’s construction minimizes aberrations and flare, ensuring sharp images with beautiful background bokeh, especially at longer focal lengths. The OM SYSTEM lens, with its quick autofocus and more manageable focal range, excels in dynamic environments, making it suitable for portrait and landscape photography. Users may find the Olympus lens easier to handle due to its lighter weight and compact design.
Which should you buy?
Choosing between the EF/EF-S 420-800mm F8.3 Telephoto Zoom Lens and the OM SYSTEM Olympus M.Zuiko Digital 40-150mm F4.0-5.6 R ultimately depends on your photography needs and the camera system you use. If you are a Canon user seeking a budget-friendly telephoto option with manual focus capabilities, the EF/EF-S lens at $67.99 is an excellent choice. However, if you own a Micro Four Thirds camera and value portability along with faster autofocus, the OM SYSTEM lens, priced at $175.99, offers superior convenience and versatility for everyday photography. Each lens serves different purposes, making the decision reliant on your specific photographic goals.

