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Voigtländer Nokton 75mm f/1.5 Aspherical vs Voigtländer Portrait Heliar 75mm f/1.8

The Voigtländer Nokton 75mm f/1.5 Aspherical and the Voigtländer Portrait Heliar 75mm f/1.8 side by side, computed from this guide's catalogue.

Which to pick

Pick the Voigtländer Nokton 75mm f/1.5 Aspherical if you want a brighter f/1.5 (0.5 stops more light), for dim light and softer backgrounds and a fit on more cameras (95 against 75 in this guide). On these specs the Voigtländer Portrait Heliar 75mm f/1.8 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 Voigtländer Nokton 75mm f/1.5 Aspherical and the Voigtländer Portrait Heliar 75mm f/1.8

Specs side by side

Rows that differ are in full colour; the better value is marked where one is better by any measure.
Spec	Voigtländer Nokton 75mm f/1.5 Aspherical	Voigtländer Portrait Heliar 75mm f/1.8
Maker	Voigtländer	Voigtländer
Focal length	75mm (prime)	75mm (prime)
Full-frame equivalent	75mm	75mm
Maximum aperture	f/1.5brighter	f/1.8
Made for	Full frame	Full frame
Mounts	Sony E, Nikon Z, Canon RF, Leica M	Sony E, Nikon Z, Canon RF
Stabilised	no	no
Autofocus	no, manual focus	no, manual focus
Weight	515 glighter	560 g
Cameras it fits	95 in this guidefits more cameras	75 in this guide

Focal range, in full-frame terms

Voigtländer Nokton 75mm f/1.5 Aspherical: 75mm.

Voigtländer Portrait Heliar 75mm f/1.8: 75mm.

Aperture

Voigtländer Nokton 75mm f/1.5 Aspherical: f/1.5 wide open.

Voigtländer Portrait Heliar 75mm f/1.8: f/1.8 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

75 cameras in this guide take both, so either works on the same body. In all, the Voigtländer Nokton 75mm f/1.5 Aspherical fits 95 and the Voigtländer Portrait Heliar 75mm f/1.8 75.