Panasonic LUMIX G 12.5mm F12 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 |
|---|---|
| Maker model code | H-FT012E |
| Mount | Micro Four Thirds |
| Image format | Micro Four Thirds |
| Front filter thread | Not specified in checked source |
| Model ID | panasonic-lumix-g-12-5mm-f12-micro-four-thirds |
| Focal length | 12.5 mm |
| Maximum aperture | f/12 |
| Filter attachment type | none |
| Weight | 1.6 oz (approx.; 45 g maker value) |
| Length | 0.81 in (approx.; 20.5 mm maker value) |
| Maximum barrel diameter | 57 mm |
| Closest focus | 1.97 ft (approx.; 0.6 m maker value) |
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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 12.5 mm focal range and f/12 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.