Panasonic LUMIX S 18-40mm F4.5-6.3 is listed for L-Mount with Full frame coverage. Its verified front filter size is Ø62 mm. 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 | S-R1840 |
| Mount | L-Mount |
| Image format | Full frame |
| Front filter thread | Ø62 mm |
| Model ID | panasonic-lumix-s-18-40mm-f4-5-6-3-l-mount |
| Focal length | 18–40 mm |
| Maximum aperture | f/4.5–6.3 |
| Filter attachment type | screw_in |
| Weight | 5.5 oz (approx.; 155 g maker value) |
| Length | 1.61 in (approx.; 40.9 mm maker value) |
| Maximum barrel diameter | 67.9 mm |
| Closest focus | 0.49 ft (approx.; 0.15 m maker value) |
| Maximum magnification | 0.28× |
| Optical stabilization | Maker states no |
Compare camera lenses listings
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 L-Mount designation on the camera specification, then verify the exact model code and mount variant against its support page. The maker lists a 18–40 mm focal range and f/4.5–6.3 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.
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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.