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Leica Summarit-M 35mm f/2.4 ASPH vs Voigtländer APO-Lanthar 35mm f/2 Aspherical

The Leica Summarit-M 35mm f/2.4 ASPH and the Voigtländer APO-Lanthar 35mm f/2 Aspherical side by side, computed from this guide's catalogue.

Which to pick

Pick the Voigtländer APO-Lanthar 35mm f/2 Aspherical if you want a brighter f/2 (0.5 stops more light), for dim light and softer backgrounds and a fit on more cameras (77 against 20 in this guide). On these specs the Leica Summarit-M 35mm f/2.4 ASPH 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 Leica Summarit-M 35mm f/2.4 ASPH and the Voigtländer APO-Lanthar 35mm 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	Leica Summarit-M 35mm f/2.4 ASPH	Voigtländer APO-Lanthar 35mm f/2 Aspherical
Maker	Leica	Voigtländer
Focal length	35mm (prime)	35mm (prime)
Full-frame equivalent	35mm	35mm
Maximum aperture	f/2.4	f/2brighter
Made for	Full frame	Full frame
Mounts	Leica M	Sony E, Nikon Z, Leica M
Stabilised	no	no
Autofocus	no, manual focus	no, manual focus
Weight	not listed	352 g
Cameras it fits	20 in this guide	77 in this guidefits more cameras

Focal range, in full-frame terms

Leica Summarit-M 35mm f/2.4 ASPH: 35mm.

Voigtländer APO-Lanthar 35mm f/2 Aspherical: 35mm.

Aperture

Leica Summarit-M 35mm f/2.4 ASPH: f/2.4 wide open.

Voigtländer APO-Lanthar 35mm 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

20 cameras in this guide take both, so either works on the same body. In all, the Leica Summarit-M 35mm f/2.4 ASPH fits 20 and the Voigtländer APO-Lanthar 35mm f/2 Aspherical 77.