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| Mount | L-Mount |
|---|---|
| Flange Back | 20.0 mm |
| Mount Diameter | 51.6 mm |
| Sensor | Full Frame |
| Lens Type | Prime |
| Electronic Contacts | Yes |
| Manufacturer | Sigma |
| Release Year | 2025 |
| Filter Size | 62 mm Find 62mm filters on eBay |
A compact I-series wide-angle prime, originally launched in 2023 as the 20mm F2 DG DN | Contemporary and renewed in 2025 under the simplified ’20mm F2 DG | Contemporary’ name (a cosmetic refresh only, with no change to the optical design), with an all-metal barrel and a 62mm filter thread.
Compatible Cameras
Native Mount — L-Mount Cameras (19)
- fp (AF supported)
- fp L (AF supported)
- LUMIX S1H (AF supported)
- LUMIX S5 (AF supported)
- LUMIX S5II (AF supported)
- LUMIX S5IIX (AF supported)
- LUMIX S9 (AF supported)
- LUMIX S1RII (AF supported)
- LUMIX S1II (AF supported)
- LUMIX S1IIE (AF supported)
- LUMIX S1 (AF supported)
- LUMIX S1R (AF supported)
- SL (Typ 601) (AF supported)
- SL2 (AF supported)
- SL2-S (AF supported)
- SL3 (AF supported)
- SL3-S (AF supported)
- SL3-P (AF supported)
- CL (AF supported)
Via Adapter — Nikon Z Cameras (15) · Third-party adapters
Adapter: No L-Mount to Nikon Z adapter is registered in our database yet.
Third-party adapters are available. Autofocus and electronic aperture support vary by adapter and lens, so check compatibility before buying.
- Z6II (AF not guaranteed via adapter)
- Z7II (AF not guaranteed via adapter)
- Z5 (AF not guaranteed via adapter)
- Z9 (AF not guaranteed via adapter)
- Z8 (AF not guaranteed via adapter)
- Zf (AF not guaranteed via adapter)
- Z6III (AF not guaranteed via adapter)
- Z5II (AF not guaranteed via adapter)
- ZR (AF not guaranteed via adapter)
- Z50 (AF not guaranteed via adapter)
- Zfc (AF not guaranteed via adapter)
- Z30 (AF not guaranteed via adapter)
- Z50II (AF not guaranteed via adapter)
- Z6 (AF not guaranteed via adapter)
- Z7 (AF not guaranteed via adapter)