Compare lenses

Sony FE 40mm f/2.5 G vs TTArtisan AF 27mm f/2.8

The Sony FE 40mm f/2.5 G and the TTArtisan AF 27mm f/2.8 side by side, computed from this guide's catalogue.

Which to pick

Pick the Sony FE 40mm f/2.5 G if you want a brighter f/2.5 (0.3 stops more light), for dim light and softer backgrounds and coverage of full frame, so it suits the larger-sensor bodies too. Pick the TTArtisan AF 27mm f/2.8 if you want a design for APS-C, which usually means smaller and lighter; a fit on more cameras (88 against 41 in this guide); and a lighter lens (94 g against 173 g).

Still torn? Ask the guide about the Sony FE 40mm f/2.5 G and the TTArtisan AF 27mm f/2.8

Specs side by side

Rows that differ are in full colour; the better value is marked where one is better by any measure.
Spec	Sony FE 40mm f/2.5 G	TTArtisan AF 27mm f/2.8
Maker	Sony	TTArtisan
Focal length	40mm (prime)	27mm (prime)
Full-frame equivalent	40mm	40mm on APS-C
Maximum aperture	f/2.5brighter	f/2.8
Made for	Full frame	APS-C
Mounts	Sony E	Sony E, Fujifilm X, Nikon Z
Stabilised	no	no
Autofocus	yes	yes
Weight	173 g	94 glighter
Cameras it fits	41 in this guide	88 in this guidefits more cameras

Focal range, in full-frame terms

Sony FE 40mm f/2.5 G: 40mm.

TTArtisan AF 27mm f/2.8: 27mm on APS-C, like 40mm.

Aperture

Sony FE 40mm f/2.5 G: f/2.5 wide open.

TTArtisan AF 27mm f/2.8: f/2.8 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

41 cameras in this guide take both, so either works on the same body. In all, the Sony FE 40mm f/2.5 G fits 41 and the TTArtisan AF 27mm f/2.8 88.