OM SYSTEM M.Zuiko Digital ED 9-18mm F4.0-5.6 II is listed for Micro Four Thirds with Micro Four Thirds coverage. A front screw-in filter size is not established by the checked evidence, so no diameter is recommended. The supplied research links this exact mount variant to manufacturer evidence. Body-specific AF, crop and adapter behavior remain separate checks.
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Verified specifications
| Field | Value |
|---|---|
| Mount | Micro Four Thirds |
| Image format | Micro Four Thirds |
| Front filter thread | Not specified in checked source |
| Model ID | om-digital-solutions-m-zuiko-digital-ed-9-18mm-f4-0-5-6-ii-micro-four-thirds |
| Focal length | 9–18 mm |
| Maximum aperture | f/4–5.6 |
| Weight | 5.4 oz (approx.; 154 g maker value) |
| Closest focus | 0.82 ft (approx.; 0.25 m maker value) |
| Maximum magnification | 0.1× |
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Compare the exact model code and rear mount in each listing. Amazon results may contain another mount or generation; the search is not a compatibility verdict.
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Search camera lenses on AmazonChoosing a camera
Look for the Micro Four Thirds designation on the camera specification, then verify the exact model code and mount variant against its support page. The maker lists a 9–18 mm focal range and f/4–5.6 maximum aperture. A physical mount match is a starting point; still AF, movie AF, crop behavior, stabilization and firmware need separate checks.
Choosing a filter
A circular screw-in filter with a matching documented thread size is only a mechanical candidate. Magnetic filters, wide frames and stacked rings need separate system and vignetting checks. When no front thread is specified, do not buy a size from the focal length or barrel diameter.
This model cannot enter the diameter calculator until a verified front thread or dedicated holder specification is available.
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Official sources and scope
Checked for this reference on October 30, 2026. Product firmware and support lists can change; inspect the current maker page for your exact revision.