Leica APO-Summicron-SL 28 f/2 ASPH. is listed for L-Mount with Full frame coverage. Its verified front filter size is Ø67 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 | 11 183 |
| Mount | L-Mount |
| Image format | Full frame |
| Front filter thread | Ø67 mm |
| Model ID | leica-apo-summicron-sl-28-f-2-asph-l-mount |
| Focal length | 28 mm |
| Maximum aperture | f/2 |
| Filter attachment type | screw_in |
| Weight | 24.7 oz (approx.; 700 g maker value) |
| Length | 4.02 in (approx.; 102 mm maker value) |
| Maximum barrel diameter | 73 mm |
| Closest focus | 0.79 ft (approx.; 0.24 m maker value) |
| Maximum magnification | 0.2× |
| Lens AF hardware | Maker states yes |
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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 L-Mount designation on the camera specification, then verify the exact model code and mount variant against its support page. The maker lists a 28 mm focal range and f/2 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.