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Lumix S 20mm f/2.5

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Specifications

BrandPanasonic
CategoryUltra-Wide Angle
Prime or ZoomPrime
Focus TypeAuto
Focal length (mm)20
Aperture (max)2.5
Angle of View94°
Filter Size (mm)62
Weight (g)142
Length (mm)41
Diameter (mm)69.4
Weather Sealed✔
Image Stabilization✘
Min. focus distance (m)0.18
Max. magnification0.15
Release Year2026
Release Price (USD)500
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Description and Reviews

Key Take-Aways:

The Panasonic Lumix S 20mm f/2.5 is a compact ultra-wide prime for L-Mount, announced in September 2026 and shipping from October 2026 in black or silver. At 142g, 69.4mm in diameter and 40.9mm long it matches the footprint of the 40mm f/2 and the 18-40mm kit zoom, and shares their 62mm filter thread. The optics use 11 elements in 9 groups (3 aspherical, 3 ED) behind a 7-blade circular aperture, giving a 94° diagonal angle of view. It focuses down to 0.18m for 0.15× magnification, suppresses focus breathing for video, and adds a Lens Fn button and control ring (with Crop Zoom on compatible bodies). The barrel is dust-, splash- and freeze-resistant with a fluorine-coated front element. Launch price is $499.99, positioned as the wide companion to the 40mm f/2 for the S9.

From Panasonic:

Expand your creativity with the LUMIX S 20mm F2.5, an ultra-compact full-frame wide-angle prime lens for photography, video, vlogging, travel, and everyday content. Its versatile 20mm focal length and bright F2.5 aperture capture immersive perspectives, attractive background blur, and strong low-light results for landscapes, architecture, interiors, street scenes, portraits, and social content. Weighing approximately 142g (0.31lb) and measuring 40.9mm (1.61in) long, it pairs with the LUMIX S9 for a portable full-frame system. Advanced optics deliver sharp, natural detail across the frame, while suppressed focus breathing supports smooth video focus transitions. A customizable Lens Fn button and control ring provide access to supported functions, including Crop Zoom on compatible LUMIX cameras. Dust-, splash-, and freeze-resistant construction and a fluorine-coated front element help keep you shooting in challenging conditions.

  • 20mm Ultra-Wide + F2.5 Bright Aperture: Capture expansive scenes with a practical ultra-wide perspective while enjoying strong low-light performance and beautiful background separation for photos and video.
  • Ultra-Compact Full Frame Prime Lens: Take this full-frame lens anywhere with a compact 40.9mm (1.61in) design and an ultra-light approx. 142g (0.31lb) weight, ideal for travel, daily photography, and content creation. Available in black and silver.
  • Optimized For Video Creators: Suppressed focus breathing and fast, precise, silent focusing help deliver smooth, natural-looking footage and reliable hybrid performance.
  • Get Closer to the Story: A 0.18m (0.59ft) minimum focusing distance enables dramatic close-up images and videos with immersive perspective and enhanced visual depth. Enjoy sharp results from the center to the edges of the frame.
  • Customizable Creative Control: Personalize your workflow with a Lens Fn button and control ring that support assignable functions including Crop Zoom on compatible LUMIX cameras.
  • Ready for the Elements: Dust-, splash-, and freeze-resistant construction plus a fluorine-coated front element help keep you shooting in challenging conditions.
  • Japanese Technology: Driven by world-renowned Japanese technology and a spirit of never-ending innovation, LUMIX inspires creators to tell their stories beautifully and vividly.

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