Astrophotography lenses for L-Mount
6 astrophotography options that fit Panasonic Lumix S, Leica SL, and Sigma fp full-frame bodies (the L-Mount Alliance) — wide and bright for stars and night sky. Every spec from the manufacturer's own product name and catalog.
Shooting a specific body? Per-camera fits: Leica SL3 · Panasonic Lumix S1R II · Panasonic Lumix S5 · Panasonic Lumix S5 II · Panasonic Lumix S5 IIX · Panasonic Lumix S9 · Sigma fp L.
| Focal | Lens | Buy | Max aperture | Weight | Filter | Type | Coverage | Best for |
|---|---|---|---|---|---|---|---|---|
| 10mm |  7Artisans AF 10mm f/2.5 (fisheye) | See price on Amazon | f/2.5 | — | — | prime | Full-frame | Wide-angleAstrophotographyBudget |
| 14-24mm | Sigma 14-24mm f/2.8 DG DN Art | See price on Amazon | f/2.8 | 795 g | — | zoom | Full-frame | Wide-angleAstrophotographyLandscape |
| 18mm | Panasonic Lumix S 18mm f/1.8 | See price on Amazon | f/1.8 | 340 g | 67mm | prime | Full-frame | Wide-angleAstrophotographyStreetLow-light |
| 20mm | Sigma 20mm f/1.4 DG DN Art | See price on Amazon | f/1.4 | 635 g | 82mm | prime | Full-frame | Wide-angleAstrophotographyLandscape |
| 24mm | Panasonic Lumix S 24mm f/1.8 | See price on Amazon | f/1.8 | 310 g | 67mm | prime | Full-frame | Wide-angleAstrophotographyLandscape |
| 24mm | Sigma 24mm f/1.4 DG DN Art | See price on Amazon | f/1.4 | 520 g | 72mm | prime | Full-frame | Wide-angleAstrophotographyStreetLow-light |
Weight & weather sealing: which of these can you carry all day?
On long approaches the decision is often made by weight, not aperture. Manufacturer-published weights for 5 of the 6 lenses above (the other 1 has no verified weight in our dataset yet — omitted, never estimated):
| Lens | Weight | Weather sealing |
|---|---|---|
| Panasonic Lumix S 24mm f/1.8 | 310g | Weather-sealed (dust- and splash-resistant, rated to -10 °C (Panasonic)) |
| Panasonic Lumix S 18mm f/1.8 | 340g | Weather-sealed (dust- and splash-resistant, rated to -10 °C (Panasonic)) |
| Sigma 24mm f/1.4 DG DN Art | 520g | Weather-sealed |
| Sigma 20mm f/1.4 DG DN Art | 635g | Weather-sealed |
| Sigma 14-24mm f/2.8 DG DN Art | 795g | Weather-sealed |
Packing light? The lightest here is the Panasonic Lumix S 24mm f/1.8 at 310g. The lightest weather-sealed option is the Panasonic Lumix S 24mm f/1.8 at 310g — the same lens.
All L-Mount lenses: the full L-Mount index · other mounts: Sony E · Canon RF · Nikon Z · Fujifilm X · Micro Four Thirds.