Pro standard zoom lenses for L-Mount

6 pro standard zoom options that fit Panasonic Lumix S, Leica SL, and Sigma fp full-frame bodies (the L-Mount Alliance) — the f/2.8 workhorse zooms professionals build kits around. 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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Focal	Lens	Buy	Max aperture	Weight	Filter	Type	Coverage	Best for
17-40mm	Sigma 17-40mm f/1.8 DC Art	See price on Amazon	f/1.8	535 g	67mm	zoom	APS-C	EverydayStandard primeLow-lightPro standard zoom
18-50mm	Sigma 18-50mm f/2.8 DC DN Contemporary	See price on Amazon	f/2.8	290 g	55mm	zoom	APS-C	Pro standard zoomEverydayBudget pro
24-70mm	Panasonic Lumix S PRO 24-70mm f/2.8	See price on Amazon	f/2.8	935 g	82mm	zoom	Full-frame	Pro standard zoomEverydayWedding & event
24-70mm	Sigma 24-70mm f/2.8 DG DN II Art	See price on Amazon	f/2.8	745 g	82mm	zoom	Full-frame	Pro standard zoomEverydayBudget pro
28-70mm	Sigma 28-70mm f/2.8 DG DN Contemporary	See price on Amazon	f/2.8	470 g	67mm	zoom	Full-frame	Pro standard zoomEverydayBudget pro
28-45mm	Sigma 28-45mm f/1.8 DG DN Art	See price on Amazon	f/1.8	960 g	82mm	zoom	Full-frame	Standard primeEverydayLow-lightPro standard zoom

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 6 of the 6 lenses above:

Lens	Weight	Weather sealing
Sigma 18-50mm f/2.8 DC DN Contemporary	290g	Mount gasket only
Sigma 28-70mm f/2.8 DG DN Contemporary	470g	Weather-sealed
Sigma 17-40mm f/1.8 DC Art	535g	Weather-sealed
Sigma 24-70mm f/2.8 DG DN II Art	745g	Weather-sealed
Panasonic Lumix S PRO 24-70mm f/2.8	935g	Weather-sealed
Sigma 28-45mm f/1.8 DG DN Art	960g	Weather-sealed

Packing light? The lightest here is the Sigma 18-50mm f/2.8 DC DN Contemporary at 290g. The lightest weather-sealed option is the Sigma 28-70mm f/2.8 DG DN Contemporary at 470g.

Weights and sealing from each manufacturer's published spec sheet (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.