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Olympus Zuiko Digital 9-18mm f/4-5.6 ED AF Lens for Four Thirds System (requires mount adapter for use on MFT) {72}
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$179.00
Olympus 9-18mm f/4-5.6: Four Thirds ultra-wide zoom with ED glass
On a Four Thirds body, 9-18mm gives you an effective field of view equivalent to 18-36mm in full-frame terms, genuinely wide at the short end, pulling back to a moderate wide angle at 18mm. That range covers a lot of ground for architectural work, interior shooting, and landscape compositions where you need to fit more into the frame than a standard kit lens allows. The ED glass element keeps chromatic aberration in check, which matters most when you're shooting high-contrast edges like bright skies against dark foliage or lit doorways in shadowed interiors.
The 72mm filter thread is worth noting upfront: it's a larger diameter than many lenses in this class, so factor in filter costs if you plan to run graduated NDs or polarizers regularly. Autofocus is built in natively for Four Thirds bodies. Those moving to Micro Four Thirds cameras can still use this lens with a MMF-1, MMF-2, or MMF-3 mount adapter, keeping AF functional. For photographers already invested in the Four Thirds system, this is a proven wide-zoom option with optical quality that holds up.
Who It's For
Landscape photographers working with Four Thirds bodies will get genuinely wide coverage at 9mm without resorting to fisheye optics. Architecture and interior shooters benefit from the zoom range, which lets you adjust framing in tight spaces without repositioning. Travel photographers who want one wide lens that spans from expansive to moderate wide angle will find the 9-18mm range practical for both environmental portraits and architectural contexts. Micro Four Thirds shooters with a MMF adapter already in their kit can bring this lens into their workflow with autofocus intact.
Key Features
- 9-18mm ultra-wide zoom delivers 18-36mm full-frame equivalent on Four Thirds
- ED (Extra-low Dispersion) glass element controls chromatic aberration
- f/4-5.6 variable aperture across focal range
- 72mm filter diameter
- Native autofocus on Four Thirds bodies
- Compatible with Micro Four Thirds via MMF mount adapters
FAQ
- What's the effective field of view on a Four Thirds body?
- 9-18mm on Four Thirds translates to an 18-36mm equivalent in full-frame terms - wide enough for architecture and interiors at the short end, moderate wide angle at 18mm.
- Can I use this lens on a Micro Four Thirds camera?
- Yes, with a mount adapter (MMF-1, MMF-2, or MMF-3). Autofocus remains functional when adapted.
- What does the ED glass element do?
- ED (Extra-low Dispersion) glass reduces chromatic aberration, which is noticeable on high-contrast edges like bright skies against dark foliage or lit interiors in shadow.
- What filter size does this lens take?
- 72mm - larger than many ultra-wide zooms, so factor that into filter costs if you plan to use graduated NDs or polarizers.
- Is autofocus native to Four Thirds bodies?
- Yes, autofocus is built in and works natively on Four Thirds camera bodies.
- Who should consider this lens?
- Photographers invested in the Four Thirds system who need a proven ultra-wide zoom for landscape, architectural, and interior work.
| Specification | Value |
|---|---|
| Focal Length | 9-18mm |
| Max Aperture | f/4-5.6 |
| Mount | Four Thirds |
| Filter Diameter | 72 mm |
This description was generated using AI based on KEH's internal product standards, product expertise, and knowing what customers care about most. While we strive for accuracy, details may vary by individual item.
| Brand Name | Olympus |
|---|---|
| Filter Size | 72mm |
| Focus Type | Autofocus (lens motor) |
| Lens Mount | Four Thirds |
| Lens Type | Wide-Angle |
| Max Focal Length | 18mm |
| Min Focal Length | 9mm |
