Panasonic Lumix S 20 mm f/2.5
Panasonic Sep 2026
Panasonic Full frame

Panasonic Lumix S 20 mm f/2.5

This is a full-frame prime lens for L-Mount, covering 20 mm and a maximum aperture of f/2.5. Released in 2026, it weighs 142 g and is weather-sealed. That combination suits landscape and architecture photography.

It is a prime lens designed for full frame cameras. This wide-angle prime lens features a f/2.5 maximum aperture, making it ideal for landscape, architecture, astrophotography. The optical design incorporates 11 elements / 9 groups, ensuring sharp image quality and minimal distortion. Despite its robust professional construction, the lens delivers exceptional optical performance.

f/2.5
Aperture
20mm
Focal
142 g
Weight
Sep 2026
Released
list price
$499.99
shop.panasonic.com ↗·checked Oct 2026
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Good for landscapearchitecture
Astrophotography
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Specification

Manufacturer data
Focal length
20 mm
Maximum aperture
f/2.5
Minimum aperture
f/22
Number of diaphragm blades
7
Optical construction
11 elements / 9 groups
Minimum focusing distance
0.18 m (7.09 inches)
Filter size
62 mm
Lens mount
L-Mount
Dimensions
40.9 x 69.4 mm
Weight
142 g (5.01 oz)
Lens type
Prime lens
Image stabilization
No
Max Format size
Full frame
Aperture ring
No
Weather sealing
Yes
Usage
Landscape, Architecture, Astrophotography

Wide open at 2 m, background blur ≈ 0.2% of the frame width

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§ 03

Video reviews

3 on YouTube
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