Compare lenses

Panasonic Lumix G 20mm f/1.7 II vs TTArtisan 25mm f/2

The Panasonic Lumix G 20mm f/1.7 II and the TTArtisan 25mm f/2 side by side, computed from this guide's catalogue.

Which to pick

Pick the Panasonic Lumix G 20mm f/1.7 II if you want a brighter f/1.7 (0.5 stops more light), for dim light and softer backgrounds; autofocus; and a design for Micro Four Thirds, which usually means smaller and lighter. Pick the TTArtisan 25mm f/2 if you want coverage of APS-C, so it suits the larger-sensor bodies too and a fit on more cameras (180 against 49 in this guide).

Still torn? Ask the guide about the Panasonic Lumix G 20mm f/1.7 II and the TTArtisan 25mm f/2

Specs side by side

Rows that differ are in full colour; the better value is marked where one is better by any measure.
Spec	Panasonic Lumix G 20mm f/1.7 II	TTArtisan 25mm f/2
Maker	Panasonic	TTArtisan
Focal length	20mm (prime)	25mm (prime)
Full-frame equivalent	40mm on Micro Four Thirds	38mm on APS-C
Maximum aperture	f/1.7brighter	f/2
Made for	Micro Four Thirds	APS-C
Mounts	Micro Four Thirds	Sony E, Fujifilm X, Nikon Z, Canon RF, L-Mount, Micro Four Thirds
Stabilised	no	no
Autofocus	yesautofocus	no, manual focus
Weight	87 g	not listed
Cameras it fits	49 in this guide	180 in this guidefits more cameras

Focal range, in full-frame terms

Panasonic Lumix G 20mm f/1.7 II: 20mm on Micro Four Thirds, like 40mm.

TTArtisan 25mm f/2: 25mm on APS-C, like 38mm.

Aperture

Panasonic Lumix G 20mm f/1.7 II: f/1.7 wide open.

TTArtisan 25mm f/2: f/2 wide open.

Each opening drawn to scale against f/1.4: a smaller f-number lets in more light and blurs the background more.

Field of view

How wide each sees, at each end, on the sensor it was made for.

Cameras they fit

49 cameras in this guide take both, so either works on the same body. In all, the Panasonic Lumix G 20mm f/1.7 II fits 49 and the TTArtisan 25mm f/2 180.