Compare lenses

Laowa Aksen 17.5mm f/1.7 5-10X Ultra Macro APO vs Panasonic Lumix S 18mm f/1.8

The Laowa Aksen 17.5mm f/1.7 5-10X Ultra Macro APO and the Panasonic Lumix S 18mm f/1.8 side by side, computed from this guide's catalogue.

Which to pick

Pick the Laowa Aksen 17.5mm f/1.7 5-10X Ultra Macro APO if you want a fit on more cameras (219 against 25 in this guide). Pick the Panasonic Lumix S 18mm f/1.8 if you want autofocus and a lighter lens (340 g against 570 g).

Still torn? Ask the guide about the Laowa Aksen 17.5mm f/1.7 5-10X Ultra Macro APO and the Panasonic Lumix S 18mm f/1.8

Specs side by side

Rows that differ are in full colour; the better value is marked where one is better by any measure.
Spec	Laowa Aksen 17.5mm f/1.7 5-10X Ultra Macro APO	Panasonic Lumix S 18mm f/1.8
Maker	Laowa	Panasonic
Focal length	18mm (macro)	18mm (prime)
Full-frame equivalent	18mm	18mm
Maximum aperture	f/1.7	f/1.8
Made for	Full frame	Full frame
Mounts	Sony E, Nikon Z, Canon RF, L-Mount, Canon EF, Nikon F, Fujifilm X, Micro Four Thirds	L-Mount
Stabilised	no	no
Autofocus	no, manual focus	yesautofocus
Weight	570 g	340 glighter
Cameras it fits	219 in this guidefits more cameras	25 in this guide

Focal range, in full-frame terms

Laowa Aksen 17.5mm f/1.7 5-10X Ultra Macro APO: 18mm.

Panasonic Lumix S 18mm f/1.8: 18mm.

Aperture

Laowa Aksen 17.5mm f/1.7 5-10X Ultra Macro APO: f/1.7 wide open.

Panasonic Lumix S 18mm f/1.8: f/1.8 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

25 cameras in this guide take both, so either works on the same body. In all, the Laowa Aksen 17.5mm f/1.7 5-10X Ultra Macro APO fits 219 and the Panasonic Lumix S 18mm f/1.8 25.