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Low-light lenses for L-Mount

19 low-light options that fit Panasonic Lumix S, Leica SL, and Sigma fp full-frame bodies (the L-Mount Alliance) — fast apertures (f/1.8 and brighter) for dim conditions. Every spec from the manufacturer's own product name and catalog.

Last verified 2026-09-01

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.

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FocalLensBuyMax apertureWeightFilterTypeCoverageBest for
16mmSigma 16mm f/1.4 DC DN Contemporary Lens for L Mount with PC Software AccSigma 16mm f/1.4 DC DN ContemporarySee price on Amazonf/1.4415 g67mmprimeAPS-CWide-angleStreetLow-lightVlogging
17-40mmSigma 17-40mm F1.8 DC | Art for L MountSigma 17-40mm f/1.8 DC ArtSee price on Amazonf/1.8535 g67mmzoomAPS-CEverydayStandard primeLow-lightPro standard zoom
18mmPanasonic LUMIX S Series Camera Lens, 18mm F1.8 L-Mount Interchangeable Lens for Mirrorless Full Frame Digital Cameras -Panasonic Lumix S 18mm f/1.8See price on Amazonf/1.8340 g67mmprimeFull-frameWide-angleAstrophotographyStreetLow-light
23mmSigma 23mm F1.4 DC DN for L MountSigma 23mm f/1.4 DC DN ContemporarySee price on Amazonf/1.4340 g52mmprimeAPS-CStreetEverydayLow-light
24mmSigma 24mm F1.4 Art DG DN Lens for L MountSigma 24mm f/1.4 DG DN ArtSee price on Amazonf/1.4520 g72mmprimeFull-frameWide-angleAstrophotographyStreetLow-light
28-45mmSigma 28-45mm F1.8 DG DN for L MountSigma 28-45mm f/1.8 DG DN ArtSee price on Amazonf/1.8960 g82mmzoomFull-frameStandard primeEverydayLow-lightPro standard zoom
30mmSigma 30mm f/1.4 DC DN Contemporary Lens for L Mount with PC Software AccSigma 30mm f/1.4 DC DN ContemporarySee price on Amazonf/1.4280 g52mmprimeAPS-CStreetEverydayLow-lightBudget
35mmPanasonic LUMIX S Series Camera Lens, 35mm F1.8 L-Mount Interchangeable Lens for Mirrorless Full Frame Digital Cameras, Panasonic Lumix S 35mm f/1.8See price on Amazonf/1.8295 g67mmprimeFull-frameStreetEverydayLow-light
35mmSigma 35mm F1.4 DG DN for L MountSigma 35mm f/1.4 DG DN ArtSee price on Amazonf/1.4645 g67mmprimeFull-frameStreetLow-lightWedding & event
35mmSigma 35mm F1.4 DG II | Art for L-MountSigma 35mm F1.4 DG II ArtSee price on Amazonf/1.4530 g—primeFull-frameStreetLow-lightWedding & event
35mm7artisans AutoFocus 35mm F1.8 Full Frame Lens,F1.8 Large Aperture,Support Automatic/Manual Compatible for Leica/Panasoni7Artisans AF 35mm f/1.8See price on Amazonf/1.8——primeFull-frameEverydayStreetLow-lightBudget
50mmPanasonic LUMIX S Series Camera Lens, 50mm F1.8 L-Mount Interchangeable Lens for Mirrorless Full Frame Digital Cameras, Panasonic Lumix S 50mm f/1.8See price on Amazonf/1.8300 g67mmprimeFull-frameStandard primeBudgetLow-light
50mmPanasonic LUMIX S PRO 50mm F1.4 Lens, Full-Frame L Mount, LEICA Certified, Dust/Splash/Freeze-Resistant for Panasonic LUPanasonic Lumix S PRO 50mm f/1.4See price on Amazonf/1.4955 g—primeFull-framePortraitLow-lightWedding & eventStandard prime
50mmSigma 50mm F1.4 DG DN F for L MountSigma 50mm f/1.4 DG DN ArtSee price on Amazonf/1.4670 g72mmprimeFull-framePortraitLow-lightStandard primeWedding & event
50mmSigma 50mm F 1.2 DG DN for L MountSigma 50mm f/1.2 DG DN ArtSee price on Amazonf/1.2745 g72mmprimeFull-frameStandard primePortraitLow-light
56mmSigma 56mm F1.4 DC DN Contemporary for L MountSigma 56mm f/1.4 DC DN ContemporarySee price on Amazonf/1.4285 g55mmprimeAPS-CPortraitLow-lightBudget pro
85mm7artisans 85mm f/1.8 Full Frame Autofocus Lens for Portrait | Compatible with Panasonic LUMIX S Series & Sigma L Mount CPanasonic Lumix S 85mm f/1.8See price on Amazonf/1.8355 g67mmprimeFull-framePortraitLow-light
85mmSigma 85mm F1.4 DG DN, for L-MountSigma 85mm f/1.4 DG DN ArtSee price on Amazonf/1.4630 g77mmprimeFull-framePortraitWedding & eventLow-light
135mm7artisans AF 135MM F1.8 AutoFocus Full Frame Telephoto Lens for L Mount,Compatible with DC-S1, DC-S1R, DC-S1H,DC-S5,DC-S7Artisans AF 135mm f/1.8See price on Amazonf/1.8——primeFull-framePortraitTelephotoLow-lightWedding & event

Weight & weather sealing: which of these can you carry all day?

On long approaches the decision is often made by weight, not aperture. Published weights for 17 of the 19 lenses above (the other 2 have no verified weight in our dataset yet — omitted, never estimated):

LensWeightWeather sealing
Sigma 30mm f/1.4 DC DN Contemporary280gWeather-sealed
Sigma 56mm f/1.4 DC DN Contemporary285gWeather-sealed
Panasonic Lumix S 35mm f/1.8295gWeather-sealed
Panasonic Lumix S 50mm f/1.8300gWeather-sealed
Panasonic Lumix S 18mm f/1.8340gWeather-sealed (dust- and splash-resistant, rated to -10 °C (Panasonic))
Sigma 23mm f/1.4 DC DN Contemporary340gMount gasket only
Panasonic Lumix S 85mm f/1.8355gWeather-sealed
Sigma 16mm f/1.4 DC DN Contemporary415gWeather-sealed
Sigma 24mm f/1.4 DG DN Art520gWeather-sealed
Sigma 35mm F1.4 DG II Art530gNot verified
Sigma 17-40mm f/1.8 DC Art535gWeather-sealed
Sigma 85mm f/1.4 DG DN Art630gWeather-sealed
Sigma 35mm f/1.4 DG DN Art645gWeather-sealed
Sigma 50mm f/1.4 DG DN Art670gWeather-sealed
Sigma 50mm f/1.2 DG DN Art745gWeather-sealed
Panasonic Lumix S PRO 50mm f/1.4955gWeather-sealed
Sigma 28-45mm f/1.8 DG DN Art960gWeather-sealed

Packing light? The lightest here is the Sigma 30mm f/1.4 DC DN Contemporary at 280g. The lightest weather-sealed option is the Sigma 30mm f/1.4 DC DN Contemporary at 280g — the same lens.

Weights and sealing as published for each lens — 12 from the manufacturer's own spec page, 5 from a published lens database or review quoting the maker's figure (per-lens source recorded in the dataset) · methodology

All L-Mount lenses: the full L-Mount index · other mounts: Sony E · Canon RF · Nikon Z · Fujifilm X · Micro Four Thirds.

Sigma 50mm f/1.2 DG DN ArtAffiliate linkSee price on Amazon

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