Compare lenses

Fujifilm XF 18mm f/1.4 R LM WR vs TTArtisan AF 17mm f/1.8 Air

The Fujifilm XF 18mm f/1.4 R LM WR and the TTArtisan AF 17mm f/1.8 Air side by side, computed from this guide's catalogue.

Which to pick

Pick the Fujifilm XF 18mm f/1.4 R LM WR if you want a brighter f/1.4 (0.7 stops more light), for dim light and softer backgrounds. Pick the TTArtisan AF 17mm f/1.8 Air if you want a fit on more cameras (88 against 31 in this guide).

Still torn? Ask the guide about the Fujifilm XF 18mm f/1.4 R LM WR and the TTArtisan AF 17mm f/1.8 Air

Specs side by side

Rows that differ are in full colour; the better value is marked where one is better by any measure.
Spec	Fujifilm XF 18mm f/1.4 R LM WR	TTArtisan AF 17mm f/1.8 Air
Maker	Fujifilm	TTArtisan
Focal length	18mm (prime)	17mm (prime)
Full-frame equivalent	27mm on APS-C	26mm on APS-C
Maximum aperture	f/1.4brighter	f/1.8
Made for	APS-C	APS-C
Mounts	Fujifilm X	Sony E, Fujifilm X, Nikon Z
Stabilised	no	no
Autofocus	yes	yes
Weight	370 g	not listed
Cameras it fits	31 in this guide	88 in this guidefits more cameras

Focal range, in full-frame terms

Fujifilm XF 18mm f/1.4 R LM WR: 18mm on APS-C, like 27mm.

TTArtisan AF 17mm f/1.8 Air: 17mm on APS-C, like 26mm.

Aperture

Fujifilm XF 18mm f/1.4 R LM WR: f/1.4 wide open.

TTArtisan AF 17mm f/1.8 Air: 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

31 cameras in this guide take both, so either works on the same body. In all, the Fujifilm XF 18mm f/1.4 R LM WR fits 31 and the TTArtisan AF 17mm f/1.8 Air 88.