Compare lenses

Leica Summicron-M 28mm f/2 ASPH vs Voigtländer Ultron Vintage Line 28mm f/2 Aspherical

Which to pick

On these specs they are close to even: hold both if you can, and let the price, the handling and the lenses you want decide.

Rows that differ are in full colour; the better value is marked where one is better by any measure.
Spec	Leica Summicron-M 28mm f/2 ASPH	Voigtländer Ultron Vintage Line 28mm f/2 Aspherical
Maker	Leica	Voigtländer
Focal length	28mm (prime)	28mm (prime)
Full-frame equivalent	28mm	28mm
Maximum aperture	f/2	f/2
Made for	Full frame	Full frame
Mounts	Leica M	Leica M
Stabilised	no	no
Autofocus	no, manual focus	no, manual focus
Cameras it fits	20 in this guide	20 in this guide

Leica Summicron-M 28mm f/2 ASPH: 28mm.

Voigtländer Ultron Vintage Line 28mm f/2 Aspherical: 28mm.

Leica Summicron-M 28mm f/2 ASPH: f/2 wide open.

Voigtländer Ultron Vintage Line 28mm 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.

How wide each sees, at each end, on the sensor it was made for.

20 cameras in this guide take both, so either works on the same body.