Compare lenses

TTArtisan AF 40mm f/2 vs Voigtländer Septon 40mm f/2 Aspherical

The TTArtisan AF 40mm f/2 and the Voigtländer Septon 40mm f/2 Aspherical side by side, computed from this guide's catalogue.

Which to pick

Pick the TTArtisan AF 40mm f/2 if you want autofocus and a fit on more cameras (82 against 57 in this guide). On these specs the Voigtländer Septon 40mm f/2 Aspherical has no clear advantage: choose it if the price, the handling or a lens you own decides it.

Still torn? Ask the guide about the TTArtisan AF 40mm f/2 and the Voigtländer Septon 40mm f/2 Aspherical

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 AF 40mm f/2	Voigtländer Septon 40mm f/2 Aspherical
Maker	TTArtisan	Voigtländer
Focal length	40mm (prime)	40mm (prime)
Full-frame equivalent	40mm	40mm
Maximum aperture	f/2	f/2
Made for	Full frame	Full frame
Mounts	Sony E, Nikon Z, L-Mount	Sony E, Nikon Z
Stabilised	no	no
Autofocus	yesautofocus	no, manual focus
Weight	not listed	165 g
Cameras it fits	82 in this guidefits more cameras	57 in this guide

Focal range, in full-frame terms

TTArtisan AF 40mm f/2: 40mm.

Voigtländer Septon 40mm f/2 Aspherical: 40mm.

Aperture

TTArtisan AF 40mm f/2: f/2 wide open.

Voigtländer Septon 40mm f/2 Aspherical: f/2 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 TTArtisan AF 40mm f/2 fits 82 and the Voigtländer Septon 40mm f/2 Aspherical 57.