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Panasonic

LUMIX S 18mm F1.8

Leica L · Prime · FULL FRAME

LUMIX S 18mm F1.8 — 18mm f/1.8 for Leica L, a popular choice in the panasonic lineup.

$599

Launch price

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Last updated June 2026

Key specs at a glance

Focal Length

18 mm

Max Aperture

f/1.8

Mount

Leica L

Coverage

Full Frame

Stabilization

No

Weight

340 g

Min Focus

20 cm

Filter Size

67 mm

Where to buy the Panasonic LUMIX S 18mm F1.8

Check today's availability, latest prices, bundle deals, and certified refurbished options at the major authorized retailers:

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Best for

Use-case scores

Scored algorithmically from verified specs. 10 = best in class.

Portrait

Good
6.0/ 10
  • · f/1.8 aperture gives excellent subject isolation
  • · 9-blade rounded diaphragm creates creamy out-of-focus highlights

Sports & Action

Good
6.5/ 10
  • · Constant fast f/1.8 aperture allows fast shutter speeds
  • · Equipped with high-speed silent AF motor for fast action tracking

Video & Hybrid

Limited
3.5/ 10
  • · Internal focusing keeps lens length constant and stops rotation
  • · Fast prime aperture offers cinematic shallow depth of field

Landscape

Excellent
8.0/ 10
  • · Wide-angle focal length (18mm) is great for landscape photography
  • · Weather-sealed body protects against dust and rain in the field

Travel

Fair
5.0/ 10
  • · Highly portable weight (340g) makes it travel-friendly
  • · Weather-sealed body is prepared for varied travel climates

Wildlife

Limited
3.0/ 10
  • · Weather-sealed design handles outdoor elements like rain or sand
  • · Fast tracking AF motor helps track moving birds/animals

Macro & Close-up

Limited
2.5/ 10
  • · Extremely close minimum focus distance of only 20 cm

Pros

  • Prime design typically delivers strong sharpness and lighter weight
  • Lightweight design easy to carry all day
  • Native Leica L mount compatibility

Cons

  • Third-party or older alternatives may offer better value

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Full specifications

Verified specs · Panasonic LUMIX S 18mm F1.8

Optical Design

Focal length (Min)18 mm
Focal length (Max)18 mm
Max aperture (Wide)f/1.8
Max aperture (Tele)f/1.8
Elements10
Groups9
Special elements2 Aspherical, 1 ED

Focus System

Min focus distance20 cm
Max magnification0.2 ×
Autofocus motorLinear motor
Internal focusYes

Image Stabilization

Optical stabilizationNo
OIS effectiveness0 stops

Physical Specs

Weight340 g
Length86.5 mm
Diameter67 mm
Filter thread size67 mm
Weather sealingYes
Diaphragm blades9

Compatibility

Lens mountLeica L
Format coverageFull Frame

Features

Control ringNo
Custom function buttonNo