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The OM SYSTEM M.Zuiko ED 100-400mm F5.0-6.3 IS II Tripod Mount Design Lens is designed for photographers and videographers seeking a high-powered telephoto zoom that remains portable and weather-resistant. With a 35mm equivalent range of 200-800mm, this lens stands out for those shooting wildlife, sports, or distant subjects. Is it worth considering? For Micro Four Thirds users who need exceptional reach in a compact, stabilized, and rugged package, it offers compelling advantages.
What it is and what is included
This product is a super telephoto zoom lens from OM SYSTEM, specifically the M.Zuiko ED 100-400mm F5.0-6.3 IS II. It is designed for Micro Four Thirds camera mounts and offers a focal length range equivalent to 200-800mm in 35mm terms. The lens features image stabilization and a tripod mount design, making it suitable for long-range photography. The information does not specify what is included in the box, such as lens caps, hood, or carrying pouch, so we recommend checking the product page for details on included accessories.
Key features explained
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Compact, lightweight zoom lens for shooting in the 200-800mm 35mm equivalent telephoto range:
This lens covers an exceptionally long telephoto range, allowing photographers to capture distant subjects with ease, such as wildlife, birds, or sporting events. Its compact and lightweight design makes it more manageable to carry and handle compared to traditional super-telephoto lenses found in larger formats.
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Worry-free Dust and Splashproof Construction:
The lens is built to withstand challenging environments, providing resistance to dust and water splashes. This feature is especially valuable for outdoor photographers who may encounter unpredictable conditions, giving peace of mind when shooting in the field.
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Lens IS 4.5 steps (100mm) / 4.5 steps (400mm), SYNC IS 7.0 steps (100mm) / 5.5 steps (400mm):
Image stabilization is critical at long focal lengths. This lens provides up to 4.5 stops of stabilization on its own and, when used with compatible OM SYSTEM camera bodies, offers up to 7.0 stops (at 100mm) via SYNC IS. This reduces the risk of blur from camera shake, especially when shooting handheld at slower shutter speeds or at extreme telephoto settings.
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9-Blade Circular Aperture Diaphragm:
The 9-blade circular aperture design helps produce pleasing, rounded out-of-focus highlights (bokeh), which is an important consideration for portraiture or wildlife shots where subject isolation is desired.
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Compatible with MC-14 x1.4 teleconverter, MC-20 x2.0 teleconverter:
This lens can be paired with optional teleconverters to extend its reach even further, offering even greater flexibility for those who need to photograph subjects at extreme distances. Compatibility with the MC-14 (1.4x) and MC-20 (2.0x) teleconverters allows for increased magnification without changing the lens.
What to look for in this kind of product
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Focal Length Range:
Super-telephoto reach is often the primary reason for choosing this type of lens. The OM SYSTEM 100-400mm delivers a 200-800mm 35mm equivalent range, which is among the most extensive for Micro Four Thirds systems.
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Portability and Weight:
Carrying large telephoto lenses for extended periods can be a burden. This model is described as compact and lightweight, which makes it a strong contender for fieldwork where mobility matters.
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Weather Sealing:
Protection from dust and splashes is a key factor for outdoor photographers. The dust and splashproof construction of this lens supports use in unpredictable and harsh environments.
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Image Stabilization:
At long focal lengths, stabilization is essential. This lens offers in-lens stabilization and the potential for advanced stabilization when paired with compatible bodies. The listing provides precise stabilization ratings for each focal length.
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Compatibility:
Lens mount compatibility is critical. This lens is designed for Micro Four Thirds mounts and is compatible with OM SYSTEM teleconverters, enhancing its flexibility. If you use a different camera system, this lens will not be compatible.
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Maximum Aperture:
The maximum aperture is F5.0-6.3, which is standard for super-telephoto zooms of this size. This affects low-light performance and the ability to blur backgrounds.
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Controls and Customization:
Information about physical controls, customizable buttons, or focus limiters is not listed. Those interested in such features should check the product page or manufacturer’s resources.
Specifications
| Brand | OM SYSTEM |
|---|---|
| Focal Length Description | Super Telephoto Zoom 100 – 400mm |
| Lens Type | Telephoto |
| Compatible Mountings | Micro Four Thirds |
| Camera Lens Description | 100-400mm F5.0-6.3 IS II Lens |
| Maximum Focal Length | 40 centimeters |
| Minimum Focal Length | 10 centimeters |
| Lens Design | Zoom |
| Focus Type | Auto/Manual |
| Lens Fixed Focal Length | 35 millimeters |
| Lens Coating | ZERO Coating |
| Zoom Ratio | 4:1 |
| Image stabilization | Optical |
Pros and cons
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Pros:
- Extensive 200-800mm (35mm equivalent) telephoto reach for distant subjects
- Compact and lightweight for a super-telephoto lens
- Weather-sealed against dust and splashes, supporting outdoor use
- Effective image stabilization, with enhanced SYNC IS on compatible bodies
- 9-blade aperture for smooth bokeh
- Compatible with teleconverters for even greater reach
- Suitable for both auto and manual focus operation
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Cons:
- Maximum aperture of F5.0-6.3 may limit low-light performance and subject separation compared to faster lenses
- No information listed on included accessories (hood, caps, case)
- No mention of additional features like customizable controls or focus limiters
- Only compatible with Micro Four Thirds mount cameras
Who should buy it and who should look elsewhere
This lens is an excellent choice for Micro Four Thirds photographers who require significant telephoto reach in a compact, portable, and weather-sealed package. Wildlife, bird, sports, and telephoto macro photographers will benefit most from its focal length range and built-in stabilization. It is also suitable for those who prioritize mobility and need to travel light without sacrificing telephoto capability.
On the other hand, those who need a larger maximum aperture for low-light work or greater subject separation may find the F5.0-6.3 range limiting. Photographers using camera systems other than Micro Four Thirds will need to look for compatible alternatives. If you require more information about features such as close focusing distance, physical controls, or included accessories, these are not listed and should be confirmed on the product page before making a decision.
If you are interested in macro work and want to stay within the OM SYSTEM ecosystem, consider reading our OM SYSTEM Olympus M.Zuiko Digital ED 90mm F3.5 Macro IS PRO review for a dedicated macro lens option.
Bottom line: a fair summary of the value at the listed price
The OM SYSTEM M.Zuiko ED 100-400mm F5.0-6.3 IS II stands out for delivering remarkable telephoto reach in a package that emphasizes portability, weather resistance, and stabilization. For Micro Four Thirds shooters who need to get close to distant subjects without the bulk and weight typical of super-telephoto lenses, it is a compelling option. The ability to extend its reach further with teleconverters and the reassurance of weather-sealing add to its versatility. While its maximum aperture is standard for this class and may not satisfy those seeking very low-light performance, its combination of features and flexibility justifies its position among serious telephoto zooms for the system. If your priorities match its strengths, this lens is well worth considering.
