Panasonic Lumix G 20mm F1.7 ASPH

Focal length: 20 mm
Aperture: f/1.7
Weight: 100 g
Filter diameter: 46 mm
Min. focus distance: 20 cm
Length: 25.5 mm

At a Glance

This prime offers 20 mm on Micro Four Thirds, equivalent to 40 mm, close to a normal focal length. At f/1.7 it allows shorter shutter times in low light and a shallow depth of field. It weighs 100 g, is 25.5 mm long and compact, and has a circular aperture. It focuses down to 20 cm. It suits street, reportage, everyday use and travel.

Good for

Street
Reportage
Everyday
Travel

Derived from the manufacturer data, not from our own tests. How we check

Technical Specifications

Min. focal length: 20 mm
Max. focal length: 20 mm
Max. aperture (min. zoom): f/1.7
Max. aperture (max. zoom): f/1.7
Min. aperture: f/16
Elements: 7
Groups: 5
Weight: 100 g (0.22 lb)
Filter diameter: 46 mm
Min. focus distance: 20 cm (7.87 in)
Max. magnification: 1:7.7 (0.13×)
Length: 25.5 mm (1 in)
Diameter: 63 mm (2.48 in)

Manufacturer data: help.na.panasonic.com, shop.panasonic.com

Last checked: October 13, 2026 (against the manufacturer data) · How we check

Simulate depth of field and angle of view

Compare with other lenses

Which cameras does the Panasonic Lumix G 20mm F1.7 ASPH fit?

The Panasonic Lumix G 20mm F1.7 ASPH fits all Micro Four Thirds cameras. There its field of view equals 40 mm in full-frame terms (crop factor 2).

Micro Four Thirds cameras

Micro Four Thirds:: OM System PEN,OM System OM-3,OM System OM-5 Mark II,Panasonic Lumix G97 (G99M2),Panasonic Lumix GH7,OM System OM-1 Mark II,Panasonic Lumix G9 II,Panasonic Lumix G100D,OM System OM-5,OM System OM-1,Panasonic Lumix GH6,Panasonic Lumix GH5 II,Olympus PEN E-P7,Olympus OM-D E-M10 Mark IV,Olympus OM-D E-M1 Mark III,Panasonic Lumix G100 (G110),Panasonic Lumix BGH1,Olympus PEN E-PL10,Olympus OM-D E-M5 Mark III,Panasonic Lumix G95 (G90, G91),Olympus OM-D E-M1X,Panasonic Lumix GX9,Panasonic Lumix GF10 (GF90, GX880),Olympus PEN E-PL9,Panasonic Lumix GH5S,Blackmagic Pocket Cinema Camera 4K,Panasonic Lumix G9,Olympus OM-D E-M10 Mark III (Mark III S),Panasonic Lumix GF9 (GX850, GX800),Panasonic Lumix GH5,Olympus PEN E-PL8,Olympus OM-D E-M1 Mark II,Panasonic Lumix G85 (G80, G81),Panasonic Lumix GX85 (GX80, GX7 Mark II),Olympus PEN-F,Olympus OM-D E-M10 Mark II,Panasonic Lumix GX8,Panasonic Lumix G7,Panasonic Lumix GF7,Olympus Air A01,Olympus OM-D E-M5 Mark II,Panasonic Lumix GM5,Olympus PEN E-PL7,Panasonic Lumix GH4,Olympus OM-D E-M10,Panasonic Lumix GM1,Olympus OM-D E-M1,Panasonic Lumix GX7,Olympus PEN E-PL6,Olympus PEN E-P5,Panasonic Lumix G6,Panasonic Lumix GF6,Blackmagic Pocket Cinema Camera,Olympus PEN E-PM2,Olympus PEN E-PL5,Panasonic Lumix GH3,Panasonic Lumix G5,Panasonic Lumix GF5,Olympus OM-D E-M5,Blackmagic Cinema Camera (MFT),Panasonic Lumix GX1,Olympus PEN E-PM1,Olympus PEN E-PL3,Olympus PEN E-P3,Panasonic Lumix GF3,Panasonic Lumix G3,Olympus PEN E-PL2,Panasonic Lumix GF2,Panasonic Lumix GH2,Panasonic Lumix G2,Panasonic Lumix G10,Olympus PEN E-PL1 (E-PL1s),Olympus PEN E-P2,Panasonic Lumix GF1,Olympus PEN E-P1,Panasonic Lumix GH1,Panasonic Lumix G1