Compare lenses

TTArtisan 17mm f/1.4 vs TTArtisan AF 17mm f/1.8 Air

The TTArtisan 17mm f/1.4 and the TTArtisan AF 17mm f/1.8 Air side by side, computed from this guide's catalogue.

Which to pick

Pick the TTArtisan 17mm f/1.4 if you want a brighter f/1.4 (0.7 stops more light), for dim light and softer backgrounds and a fit on more cameras (162 against 88 in this guide). Pick the TTArtisan AF 17mm f/1.8 Air if you want autofocus.

Still torn? Ask the guide about the TTArtisan 17mm f/1.4 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	TTArtisan 17mm f/1.4	TTArtisan AF 17mm f/1.8 Air
Maker	TTArtisan	TTArtisan
Focal length	17mm (prime)	17mm (prime)
Full-frame equivalent	26mm on APS-C	26mm on APS-C
Maximum aperture	f/1.4brighter	f/1.8
Made for	APS-C	APS-C
Mounts	Sony E, Fujifilm X, Nikon Z, L-Mount, Micro Four Thirds	Sony E, Fujifilm X, Nikon Z
Stabilised	no	no
Autofocus	no, manual focus	yesautofocus
Cameras it fits	162 in this guidefits more cameras	88 in this guide

Focal range, in full-frame terms

TTArtisan 17mm f/1.4: 17mm on APS-C, like 26mm.

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

Aperture

TTArtisan 17mm f/1.4: 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

88 cameras in this guide take both, so either works on the same body. In all, the TTArtisan 17mm f/1.4 fits 162 and the TTArtisan AF 17mm f/1.8 Air 88.