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Low-light lenses for Micro Four Thirds mount

9 low-light options that fit OM System (Olympus) and Panasonic Lumix G Micro Four Thirds bodies — fast apertures (f/1.8 and brighter) for dim conditions. Every spec from the manufacturer's own product name and catalog.

Last verified 2026-06-21

Shooting a specific body? Per-camera fits: OM System OM-1 · OM System OM-1 Mark II · OM System OM-3 · OM System OM-5 · Panasonic Lumix G100 · Panasonic Lumix G9 II · Panasonic Lumix GH6 · Panasonic Lumix GH7 · Olympus OM-D E-M10 IV · Panasonic Lumix G9.

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FocalLensBuyMax apertureWeightFilterTypeCoverageBest for
10-25mmPanasonic Lumix G Leica DG Vario-Summilux 10-25mm, F1.7 ASPH. Lens, Stepless Aperture, Video Performance, Mirrorless MicPanasonic Leica DG 10-25mm f/1.7See price on Amazonf/1.7690 g77mmzoomM4/3Pro standard zoomWide-angleLow-lightAstrophotography
15mmPanasonic Leica DG Summilux 15mm f/1.7 Mirrorless Camera Lens, Micro Four Thirds, BlackPanasonic Leica DG 15mm f/1.7See price on Amazonf/1.7115 g46mmprimeM4/3StreetEverydayLow-light
17mmOM SYSTEM Olympus M.Zuiko Digital 17mm F1.8 II for Micro Four Thirds System Camera, Weather Proof, Compact Design, BeautOM System M.Zuiko 17mm f/1.8See price on Amazonf/1.8120 g46mmprimeM4/3StreetEverydayLow-light
20mmOM System M.Zuiko 20mm f/1.4 PROSee price on Amazonf/1.4247 g58mmprimeM4/3Standard primeEverydayLow-light
25mmPanasonic Lumix G Leica DG Summilux II 25mm f/1.4 Lens, MFT, w/Mac SoftwarePanasonic Leica DG 25mm f/1.4 IISee price on Amazonf/1.4205 g46mmprimeM4/3Standard primeLow-light
42.5mmPanasonic LUMIX G Leica DG NOCTICRON Lens, 42.5MM, F1.2 ASPH., Professional MIRRORLESS Micro Four Thirds, Power Optical Panasonic Leica DG 42.5mm f/1.2See price on Amazonf/1.2425 g67mmprimeM4/3PortraitLow-lightWedding & event
42.5mmPanasonic LUMIX G Lens, 42.5MM, F1.7 ASPH., MIRRORLESS Micro Four Thirds, Power Optical I.S., H-HS043K (USA Black)Panasonic Lumix G 42.5mm f/1.7 ASPH Power OISSee price on Amazonf/1.7130 g—primeM4/3PortraitLow-lightBudget
45mmOM SYSTEM Olympus M.Zuiko Digital 45mm F1.8 Black for Micro Four Thirds System Camera, Compact Design, Beautiful Bokeh, Olympus M.Zuiko 45mm f/1.8See price on Amazonf/1.8116 g—primeM4/3PortraitBudgetLow-light
75mmOM SYSTEM Olympus M.Zuiko Digital ED 75mm f1.8 Lens for Micro Four Thirds, BlackOM System M.Zuiko 75mm f/1.8See price on Amazonf/1.8305 g58mmprimeM4/3PortraitTelephotoLow-light

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 9 of the 9 lenses above:

LensWeightWeather sealing
Panasonic Leica DG 15mm f/1.7115gNot verified
Olympus M.Zuiko 45mm f/1.8116gNot verified
OM System M.Zuiko 17mm f/1.8120gNot verified
Panasonic Lumix G 42.5mm f/1.7 ASPH Power OIS130gNone claimed (Source specification states "Sealing: No".)
Panasonic Leica DG 25mm f/1.4 II205gNot verified
OM System M.Zuiko 20mm f/1.4 PRO247gWeather-sealed
OM System M.Zuiko 75mm f/1.8305gNot verified
Panasonic Leica DG 42.5mm f/1.2425gNot verified
Panasonic Leica DG 10-25mm f/1.7690gNot verified

Packing light? The lightest here is the Panasonic Leica DG 15mm f/1.7 at 115g. The lightest weather-sealed option is the OM System M.Zuiko 20mm f/1.4 PRO at 247g.

Weights and sealing as published for each lens — 5 from the manufacturer's own spec page, 4 from a published lens database or review quoting the maker's figure (per-lens source recorded in the dataset) · methodology

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

Panasonic Leica DG 42.5mm f/1.2Affiliate linkSee price on Amazon

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