Compare lenses

7Artisans AF 27mm f/2.8 vs 7Artisans AF 40mm f/2.5

The 7Artisans AF 27mm f/2.8 and the 7Artisans AF 40mm f/2.5 side by side, computed from this guide's catalogue.

Which to pick

Pick the 7Artisans AF 27mm f/2.8 if you want a design for APS-C, which usually means smaller and lighter. Pick the 7Artisans AF 40mm f/2.5 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.

Still torn? Ask the guide about the 7Artisans AF 27mm f/2.8 and the 7Artisans AF 40mm f/2.5

Specs side by side

Rows that differ are in full colour; the better value is marked where one is better by any measure.
Spec	7Artisans AF 27mm f/2.8	7Artisans AF 40mm f/2.5
Maker	7Artisans	7Artisans
Focal length	27mm (prime)	40mm (prime)
Full-frame equivalent	40mm on APS-C	40mm
Maximum aperture	f/2.8	f/2.5brighter
Made for	APS-C	Full frame
Mounts	Sony E, Fujifilm X, Nikon Z	Sony E, Nikon Z, L-Mount
Stabilised	no	no
Autofocus	yes	yes
Cameras it fits	88 in this guide	82 in this guide

Focal range, in full-frame terms

7Artisans AF 27mm f/2.8: 27mm on APS-C, like 40mm.

7Artisans AF 40mm f/2.5: 40mm.

Aperture

7Artisans AF 27mm f/2.8: f/2.8 wide open.

7Artisans AF 40mm f/2.5: f/2.5 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

57 cameras in this guide take both, so either works on the same body. In all, the 7Artisans AF 27mm f/2.8 fits 88 and the 7Artisans AF 40mm f/2.5 82.