Panasonic Lumix G 20mm F1.7 II ASPH
Panasonic Sep 2013
Panasonic Micro Four Thirds

Panasonic Lumix G 20mm F1.7 II ASPH

This is a prime lens for Micro Four Thirds, covering 20 mm (40 mm equivalent) and a maximum aperture of f/1.7. Released in 2013, it weighs 87 g. That combination suits landscape, architecture and low-light photography.

It is a compact and lightweight pancake lens designed for Micro Four Thirds cameras, offering a 40 mm equivalent focal length. Its bright f/1.7 maximum aperture allows for excellent low-light performance and depth-of-field control, making it ideal for street, travel, and general-purpose photography. The lens features a high-quality optical design with aspherical elements to minimize aberrations and deliver sharp, high-quality images. Its small size and light weight make it a convenient choice for photographers seeking portability without compromising image quality.

f/1.7
Aperture
20mm
Focal
87 g
Weight
Sep 2013
Released
Panasonic site

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Good for landscapearchitecturelow-lightastrophotography
Street Lowlight
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Specification

Manufacturer data
Lens type
Wide-angle prime lens
Max Format size
Micro Four Thirds
Focal length
20 mm (40 mm equivalent)
Image stabilization
No
Lens mount
Micro Four Thirds
Maximum aperture
f/1.7
Minimum aperture
f/16
Aperture ring
No
Number of diaphragm blades
7 (rounded)
Optical construction
7 elements in 5 groups (including 2 aspherical elements)
Minimum focusing distance
0.20 m (7.87 inches)
Maximum magnification
0.13x (0.25x 35mm equivalent)
Filter size
46 mm
Dimensions
63 mm (diameter) x 25.5 mm (length)
Weight
87 g (3.07 oz)
Weather sealing
No
Usage
street, lowlight

Wide open at 2 m, background blur ≈ 0.7% of the frame width

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§ 02

Sample frames

Shot on the Panasonic Lumix G 20mm F1.7 II ASPH
Imagination Pavilion at Sunset
01 Imagination Pavilion at Sunset by gregoryrickaby
Disney Skyliner Sign
02 Disney Skyliner Sign by gregoryrickaby
“There’s Nowhere to Run”
03 “There’s Nowhere to Run” by gregoryrickaby
Porthcawl summer 2025
04 Porthcawl summer 2025 by Mooganic
“This Does Not Look Good”
05 “This Does Not Look Good” by gregoryrickaby
20250624 / Near Two Harbors, Minnesota
06 20250624 / Near Two Harbors, Minnesota by doug_r
20250624 / Near Two Harbors, Minnesota
07 20250624 / Near Two Harbors, Minnesota by doug_r
20250624 / Near Two Harbors, Minnesota
08 20250624 / Near Two Harbors, Minnesota by doug_r
20250624 / Near Two Harbors, Minnesota
09 20250624 / Near Two Harbors, Minnesota by doug_r
Docked and Dangerous
10 Docked and Dangerous by gregoryrickaby
Target Acquired
11 Target Acquired by gregoryrickaby
First Order Formation
12 First Order Formation by gregoryrickaby
13 by jagaticphotos
Geometry and Imagination
14 Geometry and Imagination by gregoryrickaby
Lanterns at Dusk
15 Lanterns at Dusk by gregoryrickaby
Before the Crowd
16 Before the Crowd by gregoryrickaby
Crescent Lake Lighthouse
17 Crescent Lake Lighthouse by gregoryrickaby
Surreal Sunset
18 Surreal Sunset by gregoryrickaby
L'oeil du jardin...
19 L'oeil du jardin... by La.Main.Noire
Wickford marina
20 Wickford marina by This.Usually.Works
§ 03

Video reviews

3 on YouTube
Video thumbnail for Video Review 1
Video thumbnail for Video Review 2
Video thumbnail for Video Review 3
§ 04

Similar lenses

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